Public bug reported:
I've attempted to change the size of my mouse pointer (Settings /
Universal Access / Cursor Size) from the default. As soon as I did this
the desktop froze and eventually turned black.
I could ssh in and would see the Xorg process consuming 100% cpu (per
top). After killing -9 that Xorg process, and resetting dconf reset
/org/gnome/desktop/interface/cursor-size I could log in to a new
session.
This seems reproducible, i.e. setting up pointer size again would give
me the same symptoms.
Apport probably collected this but jic, could see this in Xorg.log:
[ 1552.379] (EE)
[ 1552.380] (EE) Backtrace:
[ 1552.380] (EE) 0: /usr/lib/xorg/Xorg (OsLookupColor+0x13c) [0x563325a93dec]
[ 1552.381] (EE) 1: /lib/x86_64-linux-gnu/libpthread.so.0 (funlockfile+0x60)
[0x7f2f998ab41f]
[ 1552.381] (EE) 2: /usr/lib/xorg/Xorg (RamDacHandleColormaps+0xb2f)
[0x5633259b337f]
[ 1552.381] (EE) 3: /usr/lib/xorg/Xorg (AddTraps+0x5d58) [0x563325a11648]
[ 1552.382] (EE) 4: /usr/lib/xorg/Xorg (FreeCursor+0x67) [0x563325926267]
[ 1552.382] (EE) 5: /usr/lib/xorg/Xorg (ChangeWindowAttributes+0xa41)
[0x563325960cf1]
[ 1552.382] (EE) 6: /usr/lib/xorg/Xorg (ProcBadRequest+0x223) [0x56332592cad3]
[ 1552.382] (EE) 7: /usr/lib/xorg/Xorg (SendErrorToClient+0x354)
[0x563325932f44]
[ 1552.382] (EE) 8: /usr/lib/xorg/Xorg (InitFonts+0x3b4) [0x563325936fd4]
[ 1552.382] (EE) 9: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf3)
[0x7f2f996c90b3]
[ 1552.383] (EE) 10: /usr/lib/xorg/Xorg (_start+0x2e) [0x563325920a3e]
[ 1552.383] (EE)
[ 1552.383] (EE) Segmentation fault at address 0x7
[ 1552.383] (EE)
Fatal server error:
[ 1552.383] (EE) Caught signal 11 (Segmentation fault). Server aborting
[ 1552.383] (EE)
[ 1552.383] (EE)
Please consult the The X.Org Foundation support
at http://wiki.x.org
for help.
[ 1552.383] (EE) Please also check the log file at "/var/log/Xorg.1.log" for
additional information.
[ 1552.383] (EE)
[ 1552.383] (EE) NVIDIA(0): The NVIDIA X driver has encountered an error;
attempting to
[ 1552.383] (EE) NVIDIA(0): recover...
[ 1555.389] (EE) NVIDIA(GPU-0): Failed to initialize DMA.
[ 1556.391] (EE) NVIDIA(0): Failed to allocate push buffer
[ 1556.391] (EE) NVIDIA(0): Error recovery failed.
[ 1556.391] (EE) NVIDIA(0): *** Aborting ***
[ 1556.391] (EE)
FatalError re-entered, aborting
[ 1556.391] (EE) Failed to recover from error!
Let me know if I can help with diagnostics / repro
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: xorg 1:7.7+19ubuntu14
ProcVersionSignature: Ubuntu 5.4.0-29.33-generic 5.4.30
Uname: Linux 5.4.0-29-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp nvidia_modeset zcommon znvpair
nvidia
.proc.driver.nvidia.gpus.0000.02.00.0: Error: [Errno 21] Is a directory:
'/proc/driver/nvidia/gpus/0000:02:00.0'
.proc.driver.nvidia.registry: Binary: ""
.proc.driver.nvidia.suspend: suspend hibernate resume
.proc.driver.nvidia.suspend_depth: default modeset uvm
.proc.driver.nvidia.version:
NVRM version: NVIDIA UNIX x86_64 Kernel Module 440.64 Fri Feb 21 01:17:26
UTC 2020
GCC version:
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: Tue May 12 21:18:28 2020
DistUpgraded: Fresh install
DistroCodename: focal
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GpuHangFrequency: This is the first time
GraphicsCard:
Intel Corporation UHD Graphics 620 [8086:5917] (rev 07) (prog-if 00 [VGA
controller])
Subsystem: Lenovo UHD Graphics 620 [17aa:225b]
Subsystem: Lenovo GP108GLM [Quadro P500 Mobile] [17aa:225b]
InstallationDate: Installed on 2020-04-25 (17 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
MachineType: LENOVO 20LB000KGE
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-29-generic
root=UUID=4ba6b1d7-81de-4b61-b9df-0cd72af5d17e ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
Title: Xorg freeze
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/30/2019
dmi.bios.vendor: LENOVO
dmi.bios.version: N27ET35W (1.21 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20LB000KGE
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:bvrN27ET35W(1.21):bd04/30/2019:svnLENOVO:pn20LB000KGE:pvrThinkPadP52s:rvnLENOVO:rn20LB000KGE:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
dmi.product.family: ThinkPad P52s
dmi.product.name: 20LB000KGE
dmi.product.sku: LENOVO_MT_20LB_BU_Think_FM_ThinkPad P52s
dmi.product.version: ThinkPad P52s
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 N/A
version.nvidia-graphics-drivers: nvidia-graphics-drivers-* N/A
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: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal freeze ubuntu
--
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1878278
Title:
Xorg freeze after mouse pointer size change
Status in xorg package in Ubuntu:
New
Bug description:
I've attempted to change the size of my mouse pointer (Settings /
Universal Access / Cursor Size) from the default. As soon as I did
this the desktop froze and eventually turned black.
I could ssh in and would see the Xorg process consuming 100% cpu (per
top). After killing -9 that Xorg process, and resetting dconf reset
/org/gnome/desktop/interface/cursor-size I could log in to a new
session.
This seems reproducible, i.e. setting up pointer size again would give
me the same symptoms.
Apport probably collected this but jic, could see this in Xorg.log:
[ 1552.379] (EE)
[ 1552.380] (EE) Backtrace:
[ 1552.380] (EE) 0: /usr/lib/xorg/Xorg (OsLookupColor+0x13c) [0x563325a93dec]
[ 1552.381] (EE) 1: /lib/x86_64-linux-gnu/libpthread.so.0 (funlockfile+0x60)
[0x7f2f998ab41f]
[ 1552.381] (EE) 2: /usr/lib/xorg/Xorg (RamDacHandleColormaps+0xb2f)
[0x5633259b337f]
[ 1552.381] (EE) 3: /usr/lib/xorg/Xorg (AddTraps+0x5d58) [0x563325a11648]
[ 1552.382] (EE) 4: /usr/lib/xorg/Xorg (FreeCursor+0x67) [0x563325926267]
[ 1552.382] (EE) 5: /usr/lib/xorg/Xorg (ChangeWindowAttributes+0xa41)
[0x563325960cf1]
[ 1552.382] (EE) 6: /usr/lib/xorg/Xorg (ProcBadRequest+0x223)
[0x56332592cad3]
[ 1552.382] (EE) 7: /usr/lib/xorg/Xorg (SendErrorToClient+0x354)
[0x563325932f44]
[ 1552.382] (EE) 8: /usr/lib/xorg/Xorg (InitFonts+0x3b4) [0x563325936fd4]
[ 1552.382] (EE) 9: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf3)
[0x7f2f996c90b3]
[ 1552.383] (EE) 10: /usr/lib/xorg/Xorg (_start+0x2e) [0x563325920a3e]
[ 1552.383] (EE)
[ 1552.383] (EE) Segmentation fault at address 0x7
[ 1552.383] (EE)
Fatal server error:
[ 1552.383] (EE) Caught signal 11 (Segmentation fault). Server aborting
[ 1552.383] (EE)
[ 1552.383] (EE)
Please consult the The X.Org Foundation support
at http://wiki.x.org
for help.
[ 1552.383] (EE) Please also check the log file at "/var/log/Xorg.1.log" for
additional information.
[ 1552.383] (EE)
[ 1552.383] (EE) NVIDIA(0): The NVIDIA X driver has encountered an error;
attempting to
[ 1552.383] (EE) NVIDIA(0): recover...
[ 1555.389] (EE) NVIDIA(GPU-0): Failed to initialize DMA.
[ 1556.391] (EE) NVIDIA(0): Failed to allocate push buffer
[ 1556.391] (EE) NVIDIA(0): Error recovery failed.
[ 1556.391] (EE) NVIDIA(0): *** Aborting ***
[ 1556.391] (EE)
FatalError re-entered, aborting
[ 1556.391] (EE) Failed to recover from error!
Let me know if I can help with diagnostics / repro
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: xorg 1:7.7+19ubuntu14
ProcVersionSignature: Ubuntu 5.4.0-29.33-generic 5.4.30
Uname: Linux 5.4.0-29-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp nvidia_modeset zcommon znvpair
nvidia
.proc.driver.nvidia.gpus.0000.02.00.0: Error: [Errno 21] Is a directory:
'/proc/driver/nvidia/gpus/0000:02:00.0'
.proc.driver.nvidia.registry: Binary: ""
.proc.driver.nvidia.suspend: suspend hibernate resume
.proc.driver.nvidia.suspend_depth: default modeset uvm
.proc.driver.nvidia.version:
NVRM version: NVIDIA UNIX x86_64 Kernel Module 440.64 Fri Feb 21 01:17:26
UTC 2020
GCC version:
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: Tue May 12 21:18:28 2020
DistUpgraded: Fresh install
DistroCodename: focal
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GpuHangFrequency: This is the first time
GraphicsCard:
Intel Corporation UHD Graphics 620 [8086:5917] (rev 07) (prog-if 00 [VGA
controller])
Subsystem: Lenovo UHD Graphics 620 [17aa:225b]
Subsystem: Lenovo GP108GLM [Quadro P500 Mobile] [17aa:225b]
InstallationDate: Installed on 2020-04-25 (17 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
MachineType: LENOVO 20LB000KGE
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-29-generic
root=UUID=4ba6b1d7-81de-4b61-b9df-0cd72af5d17e ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
Title: Xorg freeze
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/30/2019
dmi.bios.vendor: LENOVO
dmi.bios.version: N27ET35W (1.21 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20LB000KGE
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:bvrN27ET35W(1.21):bd04/30/2019:svnLENOVO:pn20LB000KGE:pvrThinkPadP52s:rvnLENOVO:rn20LB000KGE:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
dmi.product.family: ThinkPad P52s
dmi.product.name: 20LB000KGE
dmi.product.sku: LENOVO_MT_20LB_BU_Think_FM_ThinkPad P52s
dmi.product.version: ThinkPad P52s
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 N/A
version.nvidia-graphics-drivers: nvidia-graphics-drivers-* N/A
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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