Public bug reported:
Just after a reboot my second screen stop being recognized.
I ran xrandr command and the result was that the hdmi cable was
disconnected, but it wasn't.
I assume it come from the xrandr lib but i'm not sure at all
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: libxrandr2 2:1.5.2-0ubuntu1
ProcVersionSignature: Ubuntu 5.4.0-26.30-generic 5.4.30
Uname: Linux 5.4.0-26-generic x86_64
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: skip
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Fri Apr 24 17:11:35 2020
DistUpgraded: Fresh install
DistroCodename: focal
DistroVariant: ubuntu
GraphicsCard:
Intel Corporation Skylake GT2 [HD Graphics 520] [8086:1916] (rev 07) (prog-if
00 [VGA controller])
Subsystem: Lenovo Skylake GT2 [HD Graphics 520] [17aa:2231]
InstallationDate: Installed on 2020-04-23 (1 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200402)
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 04ca:7058 Lite-On Technology Corp. Integrated Camera
Bus 001 Device 002: ID 046d:c52b Logitech, Inc. Unifying Receiver
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: LENOVO 20FJS12100
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-26-generic
root=UUID=cf7e310d-b6c4-4e10-b62b-3ac6b016f210 ro quiet splash vt.handoff=7
SourcePackage: libxrandr
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/20/2016
dmi.bios.vendor: LENOVO
dmi.bios.version: N1KET21W (1.08 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20FJS12100
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrN1KET21W(1.08):bd04/20/2016:svnLENOVO:pn20FJS12100:pvrThinkPadT560:rvnLENOVO:rn20FJS12100:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
dmi.product.family: ThinkPad T560
dmi.product.name: 20FJS12100
dmi.product.sku: LENOVO_MT_20FJ_BU_Think_FM_ThinkPad T560
dmi.product.version: ThinkPad T560
dmi.sys.vendor: LENOVO
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.101-2
version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.4-2ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx 20.0.4-2ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.20.8-2ubuntu2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20200226-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1
** Affects: libxrandr (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal ubuntu
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to libxrandr in Ubuntu.
https://bugs.launchpad.net/bugs/1874836
Title:
Xrandr says that hdmi is disconnected but it was not.
Status in libxrandr package in Ubuntu:
New
Bug description:
Just after a reboot my second screen stop being recognized.
I ran xrandr command and the result was that the hdmi cable was
disconnected, but it wasn't.
I assume it come from the xrandr lib but i'm not sure at all
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: libxrandr2 2:1.5.2-0ubuntu1
ProcVersionSignature: Ubuntu 5.4.0-26.30-generic 5.4.30
Uname: Linux 5.4.0-26-generic x86_64
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: skip
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Fri Apr 24 17:11:35 2020
DistUpgraded: Fresh install
DistroCodename: focal
DistroVariant: ubuntu
GraphicsCard:
Intel Corporation Skylake GT2 [HD Graphics 520] [8086:1916] (rev 07)
(prog-if 00 [VGA controller])
Subsystem: Lenovo Skylake GT2 [HD Graphics 520] [17aa:2231]
InstallationDate: Installed on 2020-04-23 (1 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200402)
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 04ca:7058 Lite-On Technology Corp. Integrated Camera
Bus 001 Device 002: ID 046d:c52b Logitech, Inc. Unifying Receiver
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: LENOVO 20FJS12100
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-26-generic
root=UUID=cf7e310d-b6c4-4e10-b62b-3ac6b016f210 ro quiet splash vt.handoff=7
SourcePackage: libxrandr
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/20/2016
dmi.bios.vendor: LENOVO
dmi.bios.version: N1KET21W (1.08 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20FJS12100
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrN1KET21W(1.08):bd04/20/2016:svnLENOVO:pn20FJS12100:pvrThinkPadT560:rvnLENOVO:rn20FJS12100:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
dmi.product.family: ThinkPad T560
dmi.product.name: 20FJS12100
dmi.product.sku: LENOVO_MT_20FJ_BU_Think_FM_ThinkPad T560
dmi.product.version: ThinkPad T560
dmi.sys.vendor: LENOVO
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.101-2
version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.4-2ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx 20.0.4-2ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.20.8-2ubuntu2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20200226-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1
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