Symfony Profiler

Security

Token

There is no security token.

Firewall

main Name

Security enabled

Stateless

Configuration

Key	Value
provider	security.user.provider.concrete.app_user_provider
context	main
entry_point	App\Security\KbinAuthenticator
user_checker	App\Security\UserChecker
access_denied_handler	(none)
access_denied_url	(none)
authenticators	[`"two_factor" "remember_me" "App\Security\KbinAuthenticator" "App\Security\FacebookAuthenticator" "App\Security\GoogleAuthenticator" "App\Security\GithubAuthenticator" "App\Security\KeycloakAuthenticator"`]

Listeners

Listener	Duration	Response
Symfony\Component\Security\Http\Firewall\ChannelListener {#723`-map: Symfony\Component\Security\Http\AccessMap {#722 …} -logger: Monolog\Logger {#783 …} -httpPort: 80 -httpsPort: 443`}	0.00 ms	(none)
Symfony\Component\Security\Http\Firewall\ContextListener {#706-tokenStorage: Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorage {#1017 …} -sessionKey: "_security_main" -logger: Monolog\Logger {#783 …} -userProviders: Symfony\Component\DependencyInjection\Argument\RewindableGenerator {#705 …} -dispatcher: Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcher {#747 …} -registered: false -trustResolver: Scheb\TwoFactorBundle\Security\Authentication\AuthenticationTrustResolver {#780 …} -sessionTrackerEnabler: Symfony\Component\Security\Core\Authentication\Token\Storage\UsageTrackingTokenStorage::enableUsageTracking(): void {#703 …}}	0.22 ms	(none)
Symfony\Component\Security\Http\Firewall\AuthenticatorManagerListener {#584`-authenticatorManager: Symfony\Component\Security\Http\Authentication\AuthenticatorManager {#595 …}`}	0.00 ms	(none)
Scheb\TwoFactorBundle\Security\Http\Firewall\TwoFactorAccessListener {#582`-twoFactorFirewallConfig: Scheb\TwoFactorBundle\Security\TwoFactor\TwoFactorFirewallConfig {#842 …} -tokenStorage: Symfony\Component\Security\Core\Authentication\Token\Storage\UsageTrackingTokenStorage {#1018 …} -twoFactorAccessDecider: Scheb\TwoFactorBundle\Security\Authorization\TwoFactorAccessDecider {#581 …}`}	0.05 ms	(none)
Symfony\Component\Security\Http\Firewall\AccessListener {#579`-tokenStorage: Symfony\Component\Security\Core\Authentication\Token\Storage\UsageTrackingTokenStorage {#1018 …} -accessDecisionManager: Symfony\Component\Security\Core\Authorization\TraceableAccessDecisionManager {#937 …} -map: Symfony\Component\Security\Http\AccessMap {#722 …}`}	0.00 ms	(none)
Symfony\Component\Security\Http\Firewall\LogoutListener {#786`-tokenStorage: Symfony\Component\Security\Core\Authentication\Token\Storage\UsageTrackingTokenStorage {#1018 …} -options: [ "csrf_parameter" => "_csrf_token" "csrf_token_id" => "logout" "logout_path" => "app_logout" ] -httpUtils: Symfony\Component\Security\Http\HttpUtils {#841 …} -csrfTokenManager: Symfony\Component\Security\Csrf\CsrfTokenManager {#1015 …} -eventDispatcher: Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcher {#747 …}`}	0.00 ms	(none)

Authenticators

No authenticators have been recorded. Check previous profiles on your authentication endpoint.

Access Decision

affirmative Strategy


"Symfony\Component\Security\Core\Authorization\Voter\AuthenticatedVoter"
"Scheb\TwoFactorBundle\Security\Authorization\Voter\TwoFactorInProgressVoter"
"Symfony\Component\Security\Core\Authorization\Voter\RoleHierarchyVoter"
"Symfony\Component\Security\Core\Authorization\Voter\ExpressionVoter"
"App\Security\Voter\EntryCommentVoter"
"App\Security\Voter\EntryVoter"
"App\Security\Voter\MagazineVoter"
"App\Security\Voter\MessageThreadVoter"
"App\Security\Voter\MessageVoter"
"App\Security\Voter\NotificationVoter"
"App\Security\Voter\OAuth2UserConsentVoter"
"App\Security\Voter\PostCommentVoter"
"App\Security\Voter\PostVoter"
"App\Security\Voter\UserVoter"

#	Voter class
1	"Symfony\Component\Security\Core\Authorization\Voter\AuthenticatedVoter"
2	"Scheb\TwoFactorBundle\Security\Authorization\Voter\TwoFactorInProgressVoter"
3	"Symfony\Component\Security\Core\Authorization\Voter\RoleHierarchyVoter"
4	"Symfony\Component\Security\Core\Authorization\Voter\ExpressionVoter"
5	"App\Security\Voter\EntryCommentVoter"
6	"App\Security\Voter\EntryVoter"
7	"App\Security\Voter\MagazineVoter"
8	"App\Security\Voter\MessageThreadVoter"
9	"App\Security\Voter\MessageVoter"
10	"App\Security\Voter\NotificationVoter"
11	"App\Security\Voter\OAuth2UserConsentVoter"
12	"App\Security\Voter\PostCommentVoter"
13	"App\Security\Voter\PostVoter"
14	"App\Security\Voter\UserVoter"

Access decision log


null
"App\Security\Voter\UserVoter"
App\Entity\Entry {#2412
  +user: Proxies\__CG__\App\Entity\User {#1970 …}
  +magazine: App\Entity\Magazine {#266
    +icon: Proxies\__CG__\App\Entity\Image {#247 …}
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    +title: "linux"
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      From Wikipedia, the free encyclopedia\n
      \n
      Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).\n
      \n
      Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word “Linux” in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.\n
      \n
      ### Rules\n
      \n
      - Posts must be relevant to operating systems running the Linux kernel. GNU/Linux or otherwise.\n
      - No misinformation\n
      - No NSFW content\n
      - No hate speech, bigotry, etc\n
      \n
      ### Related Communities\n
      \n
      - [!opensource@lemmy.ml](https://lemmy.ml/c/opensource)\n
      - [!libre_culture@lemmy.ml](https://lemmy.ml/c/libre_culture)\n
      - [!technology@lemmy.ml](https://lemmy.ml/c/technology)\n
      - [!libre_hardware@lemmy.ml](https://lemmy.ml/c/libre_hardware)\n
      \n
      Community icon by [Alpár-Etele Méder](https://www.iconfinder.com/pocike), licensed under [CC BY 3.0](https://creativecommons.org/licenses/by/3.0/)
      """
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      date: 2024-10-22 09:53:16.0 +02:00
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      date: 2023-11-02 13:51:08.0 +01:00
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  +image: null
  +domain: Proxies\__CG__\App\Entity\Domain {#1915 …}
  +slug: "Wayland-X11-problems-with-4K-HDMI-TV"
  +title: "Wayland/X11 problems with 4K HDMI TV"
  +url: null
  +body: """
    My current setup includes two 1440p monitors and a 4K TV . In the evening I use a script to switch off the monitors and use the TV. Due to the different resolutions, scaling is a problem. Both X11 and Wayland have their own problems.\n
    \n
    My setup: Arch, KDE, Nvidia RTX 2060 with proprietary NVIDIA drivers (edit: version 545.29.06), 2x 1440p 144Hz monitors (DP-0, DP-1), 1x 4K 60Hz TV via (HDMI-0)\n
    \n
    X11: Currently my procedure is as follows when I want to switch from monitors to my TV:\n
    \n
    1. I turn the TV on\n
    2. I change the Global scale to 175% via the KDE GUI. (I haven’t found a command to implement in a script yet)\n
    3. I use xrandr to switch to the TV only. `xrandr --output HDMI-0 --primary --mode 3840x2160 --pos 5120x0 --rotate normal --rate 60 --output DP-0 --off --output DP-1 --off `\n
    \n
    The monitors turn off, but the TV shows a black screen. After a restart the TV works and the scaling is correct. So far I haven’t found a way to change the scaling and switch to the TV without a restart.\n
    \n
    Oddly if I turn on all screens at the same time, it works. All of them show the desktop `xrandr --output HDMI-0 --mode 3840x2160 --pos 5120x0 --rotate normal --rate 60 --output DP-0 --primary --mode 2560x1440 --pos 0x1124 --rotate normal --output DP-1 --off --output DP-2 --mode 2560x1440 --pos 2560x1124 --rotate normal`However, when I use step 3 afterwards, the TV shows a black screen again.\n
    \n
    I tried to find solutions, but it’s hard to figure out, since I’m not sure if it’s a driver problem, KDE problem, …\n
    \n
    Wayland:\n
    \n
    - the max refresh rate for the TV is 30 Hz\n
    - with the TV turned on the system freezes every few seconds for a second or two\n
    \n
    I haven’t tinkered with Wayland a lot. The freezes make it a no-go for now. X11 at least has a workaround, even though it’s a bit annoying.\n
    \n
    Even though I have used Linux for a while. I’m probably still considered a beginner, so any help would be appreciated.
    """
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  +upVotes: 0
  +downVotes: 0
  +ranking: 1705295735
  +visibility: "visible             "
  +apId: "https://discuss.tchncs.de/post/9262097"
  +editedAt: DateTimeImmutable @1723120614 {#1850
    date: 2024-08-08 14:36:54.0 +02:00
  }
  +createdAt: DateTimeImmutable @1705220235 {#2420
    date: 2024-01-14 09:17:15.0 +01:00
  }
}
"App\Security\Voter\UserVoter"
App\Entity\Entry {#2412
  +user: Proxies\__CG__\App\Entity\User {#1970 …}
  +magazine: App\Entity\Magazine {#266
    +icon: Proxies\__CG__\App\Entity\Image {#247 …}
    +name: "linux@lemmy.ml"
    +title: "linux"
    +description: """
      From Wikipedia, the free encyclopedia\n
      \n
      Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).\n
      \n
      Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word “Linux” in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.\n
      \n
      ### Rules\n
      \n
      - Posts must be relevant to operating systems running the Linux kernel. GNU/Linux or otherwise.\n
      - No misinformation\n
      - No NSFW content\n
      - No hate speech, bigotry, etc\n
      \n
      ### Related Communities\n
      \n
      - [!opensource@lemmy.ml](https://lemmy.ml/c/opensource)\n
      - [!libre_culture@lemmy.ml](https://lemmy.ml/c/libre_culture)\n
      - [!technology@lemmy.ml](https://lemmy.ml/c/technology)\n
      - [!libre_hardware@lemmy.ml](https://lemmy.ml/c/libre_hardware)\n
      \n
      Community icon by [Alpár-Etele Méder](https://www.iconfinder.com/pocike), licensed under [CC BY 3.0](https://creativecommons.org/licenses/by/3.0/)
      """
    +rules: null
    +subscriptionsCount: 1
    +entryCount: 1406
    +entryCommentCount: 28632
    +postCount: 6
    +postCommentCount: 214
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      date: 2024-10-22 09:52:22.0 +02:00
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    +ownershipRequests: Doctrine\ORM\PersistentCollection {#234 …}
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    +posts: Doctrine\ORM\PersistentCollection {#139 …}
    +subscriptions: Doctrine\ORM\PersistentCollection {#201 …}
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    +reports: Doctrine\ORM\PersistentCollection {#104 …}
    +badges: Doctrine\ORM\PersistentCollection {#82 …}
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    +apPublicUrl: "https://lemmy.ml/c/linux"
    +apFollowersUrl: "https://lemmy.ml/c/linux/followers"
    +apInboxUrl: "https://lemmy.ml/inbox"
    +apDomain: "lemmy.ml"
    +apPreferredUsername: "linux"
    +apDiscoverable: true
    +apManuallyApprovesFollowers: null
    +privateKey: null
    +publicKey: null
    +apFetchedAt: DateTime @1729583596 {#270
      date: 2024-10-22 09:53:16.0 +02:00
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    +apDeletedAt: null
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    +visibility: "visible             "
    +createdAt: DateTimeImmutable @1698929468 {#272
      date: 2023-11-02 13:51:08.0 +01:00
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  }
  +image: null
  +domain: Proxies\__CG__\App\Entity\Domain {#1915 …}
  +slug: "Wayland-X11-problems-with-4K-HDMI-TV"
  +title: "Wayland/X11 problems with 4K HDMI TV"
  +url: null
  +body: """
    My current setup includes two 1440p monitors and a 4K TV . In the evening I use a script to switch off the monitors and use the TV. Due to the different resolutions, scaling is a problem. Both X11 and Wayland have their own problems.\n
    \n
    My setup: Arch, KDE, Nvidia RTX 2060 with proprietary NVIDIA drivers (edit: version 545.29.06), 2x 1440p 144Hz monitors (DP-0, DP-1), 1x 4K 60Hz TV via (HDMI-0)\n
    \n
    X11: Currently my procedure is as follows when I want to switch from monitors to my TV:\n
    \n
    1. I turn the TV on\n
    2. I change the Global scale to 175% via the KDE GUI. (I haven’t found a command to implement in a script yet)\n
    3. I use xrandr to switch to the TV only. `xrandr --output HDMI-0 --primary --mode 3840x2160 --pos 5120x0 --rotate normal --rate 60 --output DP-0 --off --output DP-1 --off `\n
    \n
    The monitors turn off, but the TV shows a black screen. After a restart the TV works and the scaling is correct. So far I haven’t found a way to change the scaling and switch to the TV without a restart.\n
    \n
    Oddly if I turn on all screens at the same time, it works. All of them show the desktop `xrandr --output HDMI-0 --mode 3840x2160 --pos 5120x0 --rotate normal --rate 60 --output DP-0 --primary --mode 2560x1440 --pos 0x1124 --rotate normal --output DP-1 --off --output DP-2 --mode 2560x1440 --pos 2560x1124 --rotate normal`However, when I use step 3 afterwards, the TV shows a black screen again.\n
    \n
    I tried to find solutions, but it’s hard to figure out, since I’m not sure if it’s a driver problem, KDE problem, …\n
    \n
    Wayland:\n
    \n
    - the max refresh rate for the TV is 30 Hz\n
    - with the TV turned on the system freezes every few seconds for a second or two\n
    \n
    I haven’t tinkered with Wayland a lot. The freezes make it a no-go for now. X11 at least has a workaround, even though it’s a bit annoying.\n
    \n
    Even though I have used Linux for a while. I’m probably still considered a beginner, so any help would be appreciated.
    """
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    date: 2024-08-12 12:00:03.0 +02:00
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  +comments: Doctrine\ORM\PersistentCollection {#1884 …}
  +votes: Doctrine\ORM\PersistentCollection {#1973 …}
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  +favourites: Doctrine\ORM\PersistentCollection {#1927 …}
  +notifications: Doctrine\ORM\PersistentCollection {#2442 …}
  +badges: Doctrine\ORM\PersistentCollection {#2440 …}
  +children: []
  -id: 30345
  -titleTs: "'4k':4 'hdmi':5 'problem':2 'tv':6 'wayland/x11':1"
  -bodyTs: "'-0':64,73,134,146,216,227 '-1':66,150,237 '-2':241 '0x1124':232 '1':91 '1440p':6,60 '144hz':61 '175':104 '1x':67 '2':97 '2060':51 '2560x1124':245 '2560x1440':230,243 '2x':59 '3':121,253 '30':296 '3840x2160':137,218 '4k':10,68 '5120x0':139,220 '545.29.06':58 '60':143,224 '60hz':69 'afterward':254 'annoy':344 'appreci':366 'arch':47 'beginn':360 'bit':343 'black':161,259 'chang':99,183 'command':114 'consid':358 'correct':173 'current':2,75 'desktop':212 'differ':31 'dp':63,65,145,149,226,236,240 'driver':55,283 'due':28 'edit':56 'even':14,338,345 'everi':306 'far':175 'figur':272 'find':265 'follow':80 'found':112,179 'freez':305,323 'global':101 'go':329 'gui':108 'hard':270 'haven':110,177,315 'hdmi':72,133,215 'help':363 'howev':248 'hz':297 'implement':116 'includ':4 'kde':48,107,285 'least':334 'linux':350 'lot':321 'm':276,355 'make':324 'max':289 'mode':136,217,229,242 'monitor':7,23,62,87,153 'no-go':327 'normal':141,222,234,247 'nvidia':49,54 'odd':194 'output':132,144,148,214,225,235,239 'pos':138,219,231,244 'primari':135,228 'probabl':356 'problem':36,44,284,286 'procedur':77 'proprietari':53 'rate':142,223,291 'refresh':290 'resolut':32 'restart':165,193 'rotat':140,221,233,246 'rtx':50 'scale':33,102,171,185 'screen':162,200,260 'script':18,119 'second':308,311 'setup':3,46 'show':159,210,257 'sinc':274 'solut':266 'step':252 'still':357 'sure':278 'switch':20,85,126,187 'system':304 'though':339,346 'time':204 'tinker':317 'tri':263 'turn':93,154,197,301 'tv':11,27,70,90,95,129,158,167,190,256,294,300 'two':5,313 'use':16,25,123,251,349 'version':57 'via':71,105 'want':83 'way':181 'wayland':40,287,319 'without':191 'work':168,206 'workaround':337 'would':364 'x11':38,74,332 'xrandr':124,131,213 'yet':120"
  +cross: false
  +upVotes: 0
  +downVotes: 0
  +ranking: 1705295735
  +visibility: "visible             "
  +apId: "https://discuss.tchncs.de/post/9262097"
  +editedAt: DateTimeImmutable @1723120614 {#1850
    date: 2024-08-08 14:36:54.0 +02:00
  }
  +createdAt: DateTimeImmutable @1705220235 {#2420
    date: 2024-01-14 09:17:15.0 +01:00
  }
}
"App\Security\Voter\UserVoter"
App\Entity\Entry {#2412
  +user: Proxies\__CG__\App\Entity\User {#1970 …}
  +magazine: App\Entity\Magazine {#266
    +icon: Proxies\__CG__\App\Entity\Image {#247 …}
    +name: "linux@lemmy.ml"
    +title: "linux"
    +description: """
      From Wikipedia, the free encyclopedia\n
      \n
      Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).\n
      \n
      Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word “Linux” in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.\n
      \n
      ### Rules\n
      \n
      - Posts must be relevant to operating systems running the Linux kernel. GNU/Linux or otherwise.\n
      - No misinformation\n
      - No NSFW content\n
      - No hate speech, bigotry, etc\n
      \n
      ### Related Communities\n
      \n
      - [!opensource@lemmy.ml](https://lemmy.ml/c/opensource)\n
      - [!libre_culture@lemmy.ml](https://lemmy.ml/c/libre_culture)\n
      - [!technology@lemmy.ml](https://lemmy.ml/c/technology)\n
      - [!libre_hardware@lemmy.ml](https://lemmy.ml/c/libre_hardware)\n
      \n
      Community icon by [Alpár-Etele Méder](https://www.iconfinder.com/pocike), licensed under [CC BY 3.0](https://creativecommons.org/licenses/by/3.0/)
      """
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    My current setup includes two 1440p monitors and a 4K TV . In the evening I use a script to switch off the monitors and use the TV. Due to the different resolutions, scaling is a problem. Both X11 and Wayland have their own problems.\n
    \n
    My setup: Arch, KDE, Nvidia RTX 2060 with proprietary NVIDIA drivers (edit: version 545.29.06), 2x 1440p 144Hz monitors (DP-0, DP-1), 1x 4K 60Hz TV via (HDMI-0)\n
    \n
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    \n
    1. I turn the TV on\n
    2. I change the Global scale to 175% via the KDE GUI. (I haven’t found a command to implement in a script yet)\n
    3. I use xrandr to switch to the TV only. `xrandr --output HDMI-0 --primary --mode 3840x2160 --pos 5120x0 --rotate normal --rate 60 --output DP-0 --off --output DP-1 --off `\n
    \n
    The monitors turn off, but the TV shows a black screen. After a restart the TV works and the scaling is correct. So far I haven’t found a way to change the scaling and switch to the TV without a restart.\n
    \n
    Oddly if I turn on all screens at the same time, it works. All of them show the desktop `xrandr --output HDMI-0 --mode 3840x2160 --pos 5120x0 --rotate normal --rate 60 --output DP-0 --primary --mode 2560x1440 --pos 0x1124 --rotate normal --output DP-1 --off --output DP-2 --mode 2560x1440 --pos 2560x1124 --rotate normal`However, when I use step 3 afterwards, the TV shows a black screen again.\n
    \n
    I tried to find solutions, but it’s hard to figure out, since I’m not sure if it’s a driver problem, KDE problem, …\n
    \n
    Wayland:\n
    \n
    - the max refresh rate for the TV is 30 Hz\n
    - with the TV turned on the system freezes every few seconds for a second or two\n
    \n
    I haven’t tinkered with Wayland a lot. The freezes make it a no-go for now. X11 at least has a workaround, even though it’s a bit annoying.\n
    \n
    Even though I have used Linux for a while. I’m probably still considered a beginner, so any help would be appreciated.
    """
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"App\Security\Voter\UserVoter"
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        From Wikipedia, the free encyclopedia\n
        \n
        Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).\n
        \n
        Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word “Linux” in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.\n
        \n
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        - Posts must be relevant to operating systems running the Linux kernel. GNU/Linux or otherwise.\n
        - No misinformation\n
        - No NSFW content\n
        - No hate speech, bigotry, etc\n
        \n
        ### Related Communities\n
        \n
        - [!opensource@lemmy.ml](https://lemmy.ml/c/opensource)\n
        - [!libre_culture@lemmy.ml](https://lemmy.ml/c/libre_culture)\n
        - [!technology@lemmy.ml](https://lemmy.ml/c/technology)\n
        - [!libre_hardware@lemmy.ml](https://lemmy.ml/c/libre_hardware)\n
        \n
        Community icon by [Alpár-Etele Méder](https://www.iconfinder.com/pocike), licensed under [CC BY 3.0](https://creativecommons.org/licenses/by/3.0/)
        """
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    +title: "Wayland/X11 problems with 4K HDMI TV"
    +url: null
    +body: """
      My current setup includes two 1440p monitors and a 4K TV . In the evening I use a script to switch off the monitors and use the TV. Due to the different resolutions, scaling is a problem. Both X11 and Wayland have their own problems.\n
      \n
      My setup: Arch, KDE, Nvidia RTX 2060 with proprietary NVIDIA drivers (edit: version 545.29.06), 2x 1440p 144Hz monitors (DP-0, DP-1), 1x 4K 60Hz TV via (HDMI-0)\n
      \n
      X11: Currently my procedure is as follows when I want to switch from monitors to my TV:\n
      \n
      1. I turn the TV on\n
      2. I change the Global scale to 175% via the KDE GUI. (I haven’t found a command to implement in a script yet)\n
      3. I use xrandr to switch to the TV only. `xrandr --output HDMI-0 --primary --mode 3840x2160 --pos 5120x0 --rotate normal --rate 60 --output DP-0 --off --output DP-1 --off `\n
      \n
      The monitors turn off, but the TV shows a black screen. After a restart the TV works and the scaling is correct. So far I haven’t found a way to change the scaling and switch to the TV without a restart.\n
      \n
      Oddly if I turn on all screens at the same time, it works. All of them show the desktop `xrandr --output HDMI-0 --mode 3840x2160 --pos 5120x0 --rotate normal --rate 60 --output DP-0 --primary --mode 2560x1440 --pos 0x1124 --rotate normal --output DP-1 --off --output DP-2 --mode 2560x1440 --pos 2560x1124 --rotate normal`However, when I use step 3 afterwards, the TV shows a black screen again.\n
      \n
      I tried to find solutions, but it’s hard to figure out, since I’m not sure if it’s a driver problem, KDE problem, …\n
      \n
      Wayland:\n
      \n
      - the max refresh rate for the TV is 30 Hz\n
      - with the TV turned on the system freezes every few seconds for a second or two\n
      \n
      I haven’t tinkered with Wayland a lot. The freezes make it a no-go for now. X11 at least has a workaround, even though it’s a bit annoying.\n
      \n
      Even though I have used Linux for a while. I’m probably still considered a beginner, so any help would be appreciated.
      """
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        - No misinformation\n
        - No NSFW content\n
        - No hate speech, bigotry, etc\n
        \n
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        \n
        - [!opensource@lemmy.ml](https://lemmy.ml/c/opensource)\n
        - [!libre_culture@lemmy.ml](https://lemmy.ml/c/libre_culture)\n
        - [!technology@lemmy.ml](https://lemmy.ml/c/technology)\n
        - [!libre_hardware@lemmy.ml](https://lemmy.ml/c/libre_hardware)\n
        \n
        Community icon by [Alpár-Etele Méder](https://www.iconfinder.com/pocike), licensed under [CC BY 3.0](https://creativecommons.org/licenses/by/3.0/)
        """
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      My current setup includes two 1440p monitors and a 4K TV . In the evening I use a script to switch off the monitors and use the TV. Due to the different resolutions, scaling is a problem. Both X11 and Wayland have their own problems.\n
      \n
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      \n
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      \n
      1. I turn the TV on\n
      2. I change the Global scale to 175% via the KDE GUI. (I haven’t found a command to implement in a script yet)\n
      3. I use xrandr to switch to the TV only. `xrandr --output HDMI-0 --primary --mode 3840x2160 --pos 5120x0 --rotate normal --rate 60 --output DP-0 --off --output DP-1 --off `\n
      \n
      The monitors turn off, but the TV shows a black screen. After a restart the TV works and the scaling is correct. So far I haven’t found a way to change the scaling and switch to the TV without a restart.\n
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      \n
      I tried to find solutions, but it’s hard to figure out, since I’m not sure if it’s a driver problem, KDE problem, …\n
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      Wayland:\n
      \n
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      \n
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      \n
      Even though I have used Linux for a while. I’m probably still considered a beginner, so any help would be appreciated.
      """
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      \n
      My setup: Arch, KDE, Nvidia RTX 2060 with proprietary NVIDIA drivers (edit: version 545.29.06), 2x 1440p 144Hz monitors (DP-0, DP-1), 1x 4K 60Hz TV via (HDMI-0)\n
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      \n
      I haven’t tinkered with Wayland a lot. The freezes make it a no-go for now. X11 at least has a workaround, even though it’s a bit annoying.\n
      \n
      Even though I have used Linux for a while. I’m probably still considered a beginner, so any help would be appreciated.
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        - No misinformation\n
        - No NSFW content\n
        - No hate speech, bigotry, etc\n
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        \n
        - [!opensource@lemmy.ml](https://lemmy.ml/c/opensource)\n
        - [!libre_culture@lemmy.ml](https://lemmy.ml/c/libre_culture)\n
        - [!technology@lemmy.ml](https://lemmy.ml/c/technology)\n
        - [!libre_hardware@lemmy.ml](https://lemmy.ml/c/libre_hardware)\n
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        Community icon by [Alpár-Etele Méder](https://www.iconfinder.com/pocike), licensed under [CC BY 3.0](https://creativecommons.org/licenses/by/3.0/)
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      My current setup includes two 1440p monitors and a 4K TV . In the evening I use a script to switch off the monitors and use the TV. Due to the different resolutions, scaling is a problem. Both X11 and Wayland have their own problems.\n
      \n
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      \n
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      \n
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      \n
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      \n
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      \n
      Wayland:\n
      \n
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      - with the TV turned on the system freezes every few seconds for a second or two\n
      \n
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      \n
      Even though I have used Linux for a while. I’m probably still considered a beginner, so any help would be appreciated.
      """
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        \n
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        - [!libre_culture@lemmy.ml](https://lemmy.ml/c/libre_culture)\n
        - [!technology@lemmy.ml](https://lemmy.ml/c/technology)\n
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      My current setup includes two 1440p monitors and a 4K TV . In the evening I use a script to switch off the monitors and use the TV. Due to the different resolutions, scaling is a problem. Both X11 and Wayland have their own problems.\n
      \n
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"App\Security\Voter\UserVoter"
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        From Wikipedia, the free encyclopedia\n
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        \n
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        \n
        - Posts must be relevant to operating systems running the Linux kernel. GNU/Linux or otherwise.\n
        - No misinformation\n
        - No NSFW content\n
        - No hate speech, bigotry, etc\n
        \n
        ### Related Communities\n
        \n
        - [!opensource@lemmy.ml](https://lemmy.ml/c/opensource)\n
        - [!libre_culture@lemmy.ml](https://lemmy.ml/c/libre_culture)\n
        - [!technology@lemmy.ml](https://lemmy.ml/c/technology)\n
        - [!libre_hardware@lemmy.ml](https://lemmy.ml/c/libre_hardware)\n
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        Community icon by [Alpár-Etele Méder](https://www.iconfinder.com/pocike), licensed under [CC BY 3.0](https://creativecommons.org/licenses/by/3.0/)
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      My current setup includes two 1440p monitors and a 4K TV . In the evening I use a script to switch off the monitors and use the TV. Due to the different resolutions, scaling is a problem. Both X11 and Wayland have their own problems.\n
      \n
      My setup: Arch, KDE, Nvidia RTX 2060 with proprietary NVIDIA drivers (edit: version 545.29.06), 2x 1440p 144Hz monitors (DP-0, DP-1), 1x 4K 60Hz TV via (HDMI-0)\n
      \n
      X11: Currently my procedure is as follows when I want to switch from monitors to my TV:\n
      \n
      1. I turn the TV on\n
      2. I change the Global scale to 175% via the KDE GUI. (I haven’t found a command to implement in a script yet)\n
      3. I use xrandr to switch to the TV only. `xrandr --output HDMI-0 --primary --mode 3840x2160 --pos 5120x0 --rotate normal --rate 60 --output DP-0 --off --output DP-1 --off `\n
      \n
      The monitors turn off, but the TV shows a black screen. After a restart the TV works and the scaling is correct. So far I haven’t found a way to change the scaling and switch to the TV without a restart.\n
      \n
      Oddly if I turn on all screens at the same time, it works. All of them show the desktop `xrandr --output HDMI-0 --mode 3840x2160 --pos 5120x0 --rotate normal --rate 60 --output DP-0 --primary --mode 2560x1440 --pos 0x1124 --rotate normal --output DP-1 --off --output DP-2 --mode 2560x1440 --pos 2560x1124 --rotate normal`However, when I use step 3 afterwards, the TV shows a black screen again.\n
      \n
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      \n
      Wayland:\n
      \n
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      - with the TV turned on the system freezes every few seconds for a second or two\n
      \n
      I haven’t tinkered with Wayland a lot. The freezes make it a no-go for now. X11 at least has a workaround, even though it’s a bit annoying.\n
      \n
      Even though I have used Linux for a while. I’m probably still considered a beginner, so any help would be appreciated.
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  +body: "545.29.06 I had the problems for quite some time with different driver versions"
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null
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        \n
        Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word “Linux” in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.\n
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        - [!libre_culture@lemmy.ml](https://lemmy.ml/c/libre_culture)\n
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        Community icon by [Alpár-Etele Méder](https://www.iconfinder.com/pocike), licensed under [CC BY 3.0](https://creativecommons.org/licenses/by/3.0/)
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      My current setup includes two 1440p monitors and a 4K TV . In the evening I use a script to switch off the monitors and use the TV. Due to the different resolutions, scaling is a problem. Both X11 and Wayland have their own problems.\n
      \n
      My setup: Arch, KDE, Nvidia RTX 2060 with proprietary NVIDIA drivers (edit: version 545.29.06), 2x 1440p 144Hz monitors (DP-0, DP-1), 1x 4K 60Hz TV via (HDMI-0)\n
      \n
      X11: Currently my procedure is as follows when I want to switch from monitors to my TV:\n
      \n
      1. I turn the TV on\n
      2. I change the Global scale to 175% via the KDE GUI. (I haven’t found a command to implement in a script yet)\n
      3. I use xrandr to switch to the TV only. `xrandr --output HDMI-0 --primary --mode 3840x2160 --pos 5120x0 --rotate normal --rate 60 --output DP-0 --off --output DP-1 --off `\n
      \n
      The monitors turn off, but the TV shows a black screen. After a restart the TV works and the scaling is correct. So far I haven’t found a way to change the scaling and switch to the TV without a restart.\n
      \n
      Oddly if I turn on all screens at the same time, it works. All of them show the desktop `xrandr --output HDMI-0 --mode 3840x2160 --pos 5120x0 --rotate normal --rate 60 --output DP-0 --primary --mode 2560x1440 --pos 0x1124 --rotate normal --output DP-1 --off --output DP-2 --mode 2560x1440 --pos 2560x1124 --rotate normal`However, when I use step 3 afterwards, the TV shows a black screen again.\n
      \n
      I tried to find solutions, but it’s hard to figure out, since I’m not sure if it’s a driver problem, KDE problem, …\n
      \n
      Wayland:\n
      \n
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      - with the TV turned on the system freezes every few seconds for a second or two\n
      \n
      I haven’t tinkered with Wayland a lot. The freezes make it a no-go for now. X11 at least has a workaround, even though it’s a bit annoying.\n
      \n
      Even though I have used Linux for a while. I’m probably still considered a beginner, so any help would be appreciated.
      """
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    Don’t really have an Idea, but to add to your problem…\n
    \n
    I have a 4K TV and 2 1080p Monitors and switching beneath them. Using NVIDIA graphics card with up to date drivers. All I can say, I’ve tried using KDE multiple times now, but always ended up getting weird Bugs, Micro stutter, etc on my 4K TV with KDE. So I always reverted Back to Cinnamon, GNOME, etc, because there it is working fine.
    """
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"App\Security\Voter\UserVoter"
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        From Wikipedia, the free encyclopedia\n
        \n
        Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).\n
        \n
        Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word “Linux” in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.\n
        \n
        ### Rules\n
        \n
        - Posts must be relevant to operating systems running the Linux kernel. GNU/Linux or otherwise.\n
        - No misinformation\n
        - No NSFW content\n
        - No hate speech, bigotry, etc\n
        \n
        ### Related Communities\n
        \n
        - [!opensource@lemmy.ml](https://lemmy.ml/c/opensource)\n
        - [!libre_culture@lemmy.ml](https://lemmy.ml/c/libre_culture)\n
        - [!technology@lemmy.ml](https://lemmy.ml/c/technology)\n
        - [!libre_hardware@lemmy.ml](https://lemmy.ml/c/libre_hardware)\n
        \n
        Community icon by [Alpár-Etele Méder](https://www.iconfinder.com/pocike), licensed under [CC BY 3.0](https://creativecommons.org/licenses/by/3.0/)
        """
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    +title: "Wayland/X11 problems with 4K HDMI TV"
    +url: null
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      My current setup includes two 1440p monitors and a 4K TV . In the evening I use a script to switch off the monitors and use the TV. Due to the different resolutions, scaling is a problem. Both X11 and Wayland have their own problems.\n
      \n
      My setup: Arch, KDE, Nvidia RTX 2060 with proprietary NVIDIA drivers (edit: version 545.29.06), 2x 1440p 144Hz monitors (DP-0, DP-1), 1x 4K 60Hz TV via (HDMI-0)\n
      \n
      X11: Currently my procedure is as follows when I want to switch from monitors to my TV:\n
      \n
      1. I turn the TV on\n
      2. I change the Global scale to 175% via the KDE GUI. (I haven’t found a command to implement in a script yet)\n
      3. I use xrandr to switch to the TV only. `xrandr --output HDMI-0 --primary --mode 3840x2160 --pos 5120x0 --rotate normal --rate 60 --output DP-0 --off --output DP-1 --off `\n
      \n
      The monitors turn off, but the TV shows a black screen. After a restart the TV works and the scaling is correct. So far I haven’t found a way to change the scaling and switch to the TV without a restart.\n
      \n
      Oddly if I turn on all screens at the same time, it works. All of them show the desktop `xrandr --output HDMI-0 --mode 3840x2160 --pos 5120x0 --rotate normal --rate 60 --output DP-0 --primary --mode 2560x1440 --pos 0x1124 --rotate normal --output DP-1 --off --output DP-2 --mode 2560x1440 --pos 2560x1124 --rotate normal`However, when I use step 3 afterwards, the TV shows a black screen again.\n
      \n
      I tried to find solutions, but it’s hard to figure out, since I’m not sure if it’s a driver problem, KDE problem, …\n
      \n
      Wayland:\n
      \n
      - the max refresh rate for the TV is 30 Hz\n
      - with the TV turned on the system freezes every few seconds for a second or two\n
      \n
      I haven’t tinkered with Wayland a lot. The freezes make it a no-go for now. X11 at least has a workaround, even though it’s a bit annoying.\n
      \n
      Even though I have used Linux for a while. I’m probably still considered a beginner, so any help would be appreciated.
      """
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    Don’t really have an Idea, but to add to your problem…\n
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    I have a 4K TV and 2 1080p Monitors and switching beneath them. Using NVIDIA graphics card with up to date drivers. All I can say, I’ve tried using KDE multiple times now, but always ended up getting weird Bugs, Micro stutter, etc on my 4K TV with KDE. So I always reverted Back to Cinnamon, GNOME, etc, because there it is working fine.
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        \n
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      My current setup includes two 1440p monitors and a 4K TV . In the evening I use a script to switch off the monitors and use the TV. Due to the different resolutions, scaling is a problem. Both X11 and Wayland have their own problems.\n
      \n
      My setup: Arch, KDE, Nvidia RTX 2060 with proprietary NVIDIA drivers (edit: version 545.29.06), 2x 1440p 144Hz monitors (DP-0, DP-1), 1x 4K 60Hz TV via (HDMI-0)\n
      \n
      X11: Currently my procedure is as follows when I want to switch from monitors to my TV:\n
      \n
      1. I turn the TV on\n
      2. I change the Global scale to 175% via the KDE GUI. (I haven’t found a command to implement in a script yet)\n
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      \n
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      \n
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      Even though I have used Linux for a while. I’m probably still considered a beginner, so any help would be appreciated.
      """
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    Don’t really have an Idea, but to add to your problem…\n
    \n
    I have a 4K TV and 2 1080p Monitors and switching beneath them. Using NVIDIA graphics card with up to date drivers. All I can say, I’ve tried using KDE multiple times now, but always ended up getting weird Bugs, Micro stutter, etc on my 4K TV with KDE. So I always reverted Back to Cinnamon, GNOME, etc, because there it is working fine.
    """
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"App\Security\Voter\UserVoter"
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        From Wikipedia, the free encyclopedia\n
        \n
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        \n
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        \n
        ### Rules\n
        \n
        - Posts must be relevant to operating systems running the Linux kernel. GNU/Linux or otherwise.\n
        - No misinformation\n
        - No NSFW content\n
        - No hate speech, bigotry, etc\n
        \n
        ### Related Communities\n
        \n
        - [!opensource@lemmy.ml](https://lemmy.ml/c/opensource)\n
        - [!libre_culture@lemmy.ml](https://lemmy.ml/c/libre_culture)\n
        - [!technology@lemmy.ml](https://lemmy.ml/c/technology)\n
        - [!libre_hardware@lemmy.ml](https://lemmy.ml/c/libre_hardware)\n
        \n
        Community icon by [Alpár-Etele Méder](https://www.iconfinder.com/pocike), licensed under [CC BY 3.0](https://creativecommons.org/licenses/by/3.0/)
        """
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      My current setup includes two 1440p monitors and a 4K TV . In the evening I use a script to switch off the monitors and use the TV. Due to the different resolutions, scaling is a problem. Both X11 and Wayland have their own problems.\n
      \n
      My setup: Arch, KDE, Nvidia RTX 2060 with proprietary NVIDIA drivers (edit: version 545.29.06), 2x 1440p 144Hz monitors (DP-0, DP-1), 1x 4K 60Hz TV via (HDMI-0)\n
      \n
      X11: Currently my procedure is as follows when I want to switch from monitors to my TV:\n
      \n
      1. I turn the TV on\n
      2. I change the Global scale to 175% via the KDE GUI. (I haven’t found a command to implement in a script yet)\n
      3. I use xrandr to switch to the TV only. `xrandr --output HDMI-0 --primary --mode 3840x2160 --pos 5120x0 --rotate normal --rate 60 --output DP-0 --off --output DP-1 --off `\n
      \n
      The monitors turn off, but the TV shows a black screen. After a restart the TV works and the scaling is correct. So far I haven’t found a way to change the scaling and switch to the TV without a restart.\n
      \n
      Oddly if I turn on all screens at the same time, it works. All of them show the desktop `xrandr --output HDMI-0 --mode 3840x2160 --pos 5120x0 --rotate normal --rate 60 --output DP-0 --primary --mode 2560x1440 --pos 0x1124 --rotate normal --output DP-1 --off --output DP-2 --mode 2560x1440 --pos 2560x1124 --rotate normal`However, when I use step 3 afterwards, the TV shows a black screen again.\n
      \n
      I tried to find solutions, but it’s hard to figure out, since I’m not sure if it’s a driver problem, KDE problem, …\n
      \n
      Wayland:\n
      \n
      - the max refresh rate for the TV is 30 Hz\n
      - with the TV turned on the system freezes every few seconds for a second or two\n
      \n
      I haven’t tinkered with Wayland a lot. The freezes make it a no-go for now. X11 at least has a workaround, even though it’s a bit annoying.\n
      \n
      Even though I have used Linux for a while. I’m probably still considered a beginner, so any help would be appreciated.
      """
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    I’m on mobile so formatting might not look the best, but here it goes!\n
    \n
    X11 scaling - does this link help? [wiki.archlinux.org/title/HiDPI](https://wiki.archlinux.org/title/HiDPI)Specifically under either xorg or KDE plasma I think you might be able to find some settings that help\n
    \n
    For Wayland - would [wdisplays](https://github.com/artizirk/wdisplays) help you out? I’ve had good results using that along with [kanshi](https://wayland.emersion.fr/kanshi/).\n
    \n
    As for system freezing, I’m just taking a shot in the dark but this might be a KDE thing based on a quick search. Wayland is new and sexy, but apparently all the bugs aren’t worked out for KDE. This answer isn’t great, and is very hand-wavey, but without more details outside of you’re on KDE I can’t really help much. Unfortunately for you, I switched over to Sway which apparently has better Wayland support out of the box.
    """
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        \n
        Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word “Linux” in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.\n
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        - Posts must be relevant to operating systems running the Linux kernel. GNU/Linux or otherwise.\n
        - No misinformation\n
        - No NSFW content\n
        - No hate speech, bigotry, etc\n
        \n
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        \n
        - [!opensource@lemmy.ml](https://lemmy.ml/c/opensource)\n
        - [!libre_culture@lemmy.ml](https://lemmy.ml/c/libre_culture)\n
        - [!technology@lemmy.ml](https://lemmy.ml/c/technology)\n
        - [!libre_hardware@lemmy.ml](https://lemmy.ml/c/libre_hardware)\n
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        Community icon by [Alpár-Etele Méder](https://www.iconfinder.com/pocike), licensed under [CC BY 3.0](https://creativecommons.org/licenses/by/3.0/)
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      My current setup includes two 1440p monitors and a 4K TV . In the evening I use a script to switch off the monitors and use the TV. Due to the different resolutions, scaling is a problem. Both X11 and Wayland have their own problems.\n
      \n
      My setup: Arch, KDE, Nvidia RTX 2060 with proprietary NVIDIA drivers (edit: version 545.29.06), 2x 1440p 144Hz monitors (DP-0, DP-1), 1x 4K 60Hz TV via (HDMI-0)\n
      \n
      X11: Currently my procedure is as follows when I want to switch from monitors to my TV:\n
      \n
      1. I turn the TV on\n
      2. I change the Global scale to 175% via the KDE GUI. (I haven’t found a command to implement in a script yet)\n
      3. I use xrandr to switch to the TV only. `xrandr --output HDMI-0 --primary --mode 3840x2160 --pos 5120x0 --rotate normal --rate 60 --output DP-0 --off --output DP-1 --off `\n
      \n
      The monitors turn off, but the TV shows a black screen. After a restart the TV works and the scaling is correct. So far I haven’t found a way to change the scaling and switch to the TV without a restart.\n
      \n
      Oddly if I turn on all screens at the same time, it works. All of them show the desktop `xrandr --output HDMI-0 --mode 3840x2160 --pos 5120x0 --rotate normal --rate 60 --output DP-0 --primary --mode 2560x1440 --pos 0x1124 --rotate normal --output DP-1 --off --output DP-2 --mode 2560x1440 --pos 2560x1124 --rotate normal`However, when I use step 3 afterwards, the TV shows a black screen again.\n
      \n
      I tried to find solutions, but it’s hard to figure out, since I’m not sure if it’s a driver problem, KDE problem, …\n
      \n
      Wayland:\n
      \n
      - the max refresh rate for the TV is 30 Hz\n
      - with the TV turned on the system freezes every few seconds for a second or two\n
      \n
      I haven’t tinkered with Wayland a lot. The freezes make it a no-go for now. X11 at least has a workaround, even though it’s a bit annoying.\n
      \n
      Even though I have used Linux for a while. I’m probably still considered a beginner, so any help would be appreciated.
      """
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    I’m on mobile so formatting might not look the best, but here it goes!\n
    \n
    X11 scaling - does this link help? [wiki.archlinux.org/title/HiDPI](https://wiki.archlinux.org/title/HiDPI)Specifically under either xorg or KDE plasma I think you might be able to find some settings that help\n
    \n
    For Wayland - would [wdisplays](https://github.com/artizirk/wdisplays) help you out? I’ve had good results using that along with [kanshi](https://wayland.emersion.fr/kanshi/).\n
    \n
    As for system freezing, I’m just taking a shot in the dark but this might be a KDE thing based on a quick search. Wayland is new and sexy, but apparently all the bugs aren’t worked out for KDE. This answer isn’t great, and is very hand-wavey, but without more details outside of you’re on KDE I can’t really help much. Unfortunately for you, I switched over to Sway which apparently has better Wayland support out of the box.
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"App\Security\Voter\UserVoter"
App\Entity\EntryComment {#4207
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      +name: "linux@lemmy.ml"
      +title: "linux"
      +description: """
        From Wikipedia, the free encyclopedia\n
        \n
        Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).\n
        \n
        Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word “Linux” in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.\n
        \n
        ### Rules\n
        \n
        - Posts must be relevant to operating systems running the Linux kernel. GNU/Linux or otherwise.\n
        - No misinformation\n
        - No NSFW content\n
        - No hate speech, bigotry, etc\n
        \n
        ### Related Communities\n
        \n
        - [!opensource@lemmy.ml](https://lemmy.ml/c/opensource)\n
        - [!libre_culture@lemmy.ml](https://lemmy.ml/c/libre_culture)\n
        - [!technology@lemmy.ml](https://lemmy.ml/c/technology)\n
        - [!libre_hardware@lemmy.ml](https://lemmy.ml/c/libre_hardware)\n
        \n
        Community icon by [Alpár-Etele Méder](https://www.iconfinder.com/pocike), licensed under [CC BY 3.0](https://creativecommons.org/licenses/by/3.0/)
        """
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    +title: "Wayland/X11 problems with 4K HDMI TV"
    +url: null
    +body: """
      My current setup includes two 1440p monitors and a 4K TV . In the evening I use a script to switch off the monitors and use the TV. Due to the different resolutions, scaling is a problem. Both X11 and Wayland have their own problems.\n
      \n
      My setup: Arch, KDE, Nvidia RTX 2060 with proprietary NVIDIA drivers (edit: version 545.29.06), 2x 1440p 144Hz monitors (DP-0, DP-1), 1x 4K 60Hz TV via (HDMI-0)\n
      \n
      X11: Currently my procedure is as follows when I want to switch from monitors to my TV:\n
      \n
      1. I turn the TV on\n
      2. I change the Global scale to 175% via the KDE GUI. (I haven’t found a command to implement in a script yet)\n
      3. I use xrandr to switch to the TV only. `xrandr --output HDMI-0 --primary --mode 3840x2160 --pos 5120x0 --rotate normal --rate 60 --output DP-0 --off --output DP-1 --off `\n
      \n
      The monitors turn off, but the TV shows a black screen. After a restart the TV works and the scaling is correct. So far I haven’t found a way to change the scaling and switch to the TV without a restart.\n
      \n
      Oddly if I turn on all screens at the same time, it works. All of them show the desktop `xrandr --output HDMI-0 --mode 3840x2160 --pos 5120x0 --rotate normal --rate 60 --output DP-0 --primary --mode 2560x1440 --pos 0x1124 --rotate normal --output DP-1 --off --output DP-2 --mode 2560x1440 --pos 2560x1124 --rotate normal`However, when I use step 3 afterwards, the TV shows a black screen again.\n
      \n
      I tried to find solutions, but it’s hard to figure out, since I’m not sure if it’s a driver problem, KDE problem, …\n
      \n
      Wayland:\n
      \n
      - the max refresh rate for the TV is 30 Hz\n
      - with the TV turned on the system freezes every few seconds for a second or two\n
      \n
      I haven’t tinkered with Wayland a lot. The freezes make it a no-go for now. X11 at least has a workaround, even though it’s a bit annoying.\n
      \n
      Even though I have used Linux for a while. I’m probably still considered a beginner, so any help would be appreciated.
      """
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      date: 2024-08-08 14:36:54.0 +02:00
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  +body: """
    I’m on mobile so formatting might not look the best, but here it goes!\n
    \n
    X11 scaling - does this link help? [wiki.archlinux.org/title/HiDPI](https://wiki.archlinux.org/title/HiDPI)Specifically under either xorg or KDE plasma I think you might be able to find some settings that help\n
    \n
    For Wayland - would [wdisplays](https://github.com/artizirk/wdisplays) help you out? I’ve had good results using that along with [kanshi](https://wayland.emersion.fr/kanshi/).\n
    \n
    As for system freezing, I’m just taking a shot in the dark but this might be a KDE thing based on a quick search. Wayland is new and sexy, but apparently all the bugs aren’t worked out for KDE. This answer isn’t great, and is very hand-wavey, but without more details outside of you’re on KDE I can’t really help much. Unfortunately for you, I switched over to Sway which apparently has better Wayland support out of the box.
    """
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    From Wikipedia, the free encyclopedia\n
    \n
    Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).\n
    \n
    Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word “Linux” in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.\n
    \n
    ### Rules\n
    \n
    - Posts must be relevant to operating systems running the Linux kernel. GNU/Linux or otherwise.\n
    - No misinformation\n
    - No NSFW content\n
    - No hate speech, bigotry, etc\n
    \n
    ### Related Communities\n
    \n
    - [!opensource@lemmy.ml](https://lemmy.ml/c/opensource)\n
    - [!libre_culture@lemmy.ml](https://lemmy.ml/c/libre_culture)\n
    - [!technology@lemmy.ml](https://lemmy.ml/c/technology)\n
    - [!libre_hardware@lemmy.ml](https://lemmy.ml/c/libre_hardware)\n
    \n
    Community icon by [Alpár-Etele Méder](https://www.iconfinder.com/pocike), licensed under [CC BY 3.0](https://creativecommons.org/licenses/by/3.0/)
    """
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