It's possible something related to the screen crashed. Next time the
problem occurs please look in /var/crash and tell us if you find
anything.
Please also (after any future hang) reboot and then run:
journalctl -b-1 > prevboot.txt
and attach the file 'prevboot.txt' to this bug.
** Package changed: xorg (Ubuntu) => xorg-server (Ubuntu)
** Also affects: unity (Ubuntu)
Importance: Undecided
Status: New
** Also affects: compiz (Ubuntu)
Importance: Undecided
Status: New
** Changed in: compiz (Ubuntu)
Status: New => Incomplete
** Changed in: unity (Ubuntu)
Status: New => Incomplete
** Changed in: xorg-server (Ubuntu)
Status: New => Incomplete
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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/1853707
Title:
Whose system stopped responding because of single program's fault - no
way out, had to force power off
Status in compiz package in Ubuntu:
Incomplete
Status in unity package in Ubuntu:
Incomplete
Status in xorg-server package in Ubuntu:
Incomplete
Bug description:
What I did was:
- install LibreCAD (by adding their ppa and then using apt-get)
- open it
- try to open the attached .dwf file
LibreCAD hanged and the whole system stopped responding. The mouse
button stopped moving, the system wouldn't respond to keyboard
strokes, AND not even Ctrl+Alt+F1 worked to open a virtual terminal
where I could have tried killing some process.
Obviously there's a bug in LibreCAD, but no matter how badly a buggy
(or even evil) process behaves, if a single misbehaving program can
cause the whole OS to stall in a way that you cannot recover from,
then by definition there's a bug in the OS.
You must ALWAYS be able to kill the offending program and resume
normal operation without having to stop one single application other
than the offending one.
I have no idea whether the bug is actually in Xorg or somewhere else;
the reason I'm reporting it against xorg is that ctrl+alt+F1 wouldn't
work. I might very well be wrong but I believe xorg is responsible for
providing the virtual terminal via ctrl+alt+f1?
Either way, that MUST ALWAYS be available no matter how badly things
go.
That a single program hanging causes me to have to force-power down
the computer is outrageous.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: xorg 1:7.7+13ubuntu3.1
ProcVersionSignature: Ubuntu 4.4.0-169.198-generic 4.4.197
Uname: Linux 4.4.0-169-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia
.proc.driver.nvidia.gpus.0000.01.00.0: Error: [Errno 21] Is a directory:
'/proc/driver/nvidia/gpus/0000:01:00.0'
.proc.driver.nvidia.registry: Binary: ""
.proc.driver.nvidia.version:
NVRM version: NVIDIA UNIX x86_64 Kernel Module 340.107 Thu May 24 21:54:01
PDT 2018
GCC version: gcc version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.12)
.tmp.unity_support_test.0:
ApportVersion: 2.20.1-0ubuntu2.21
Architecture: amd64
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
CurrentDesktop: Unity
Date: Sat Nov 23 17:27:22 2019
DistUpgraded: Fresh install
DistroCodename: xenial
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166]
(rev 09) (prog-if 00 [VGA controller])
Subsystem: Acer Incorporated [ALI] 3rd Gen Core processor Graphics
Controller [1025:0647]
NVIDIA Corporation GF117M [GeForce 610M/710M/810M/820M / GT
620M/625M/630M/720M] [10de:1140] (rev a1) (prog-if 00 [VGA controller])
Subsystem: Acer Incorporated [ALI] GeForce 710M [1025:0691]
InstallationDate: Installed on 2013-10-11 (2233 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
MachineType: Acer Aspire V3-571G
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-169-generic
root=UUID=5830b30e-69e8-4bb4-8a2b-bc2b43c7414a ro quiet splash vt.handoff=7
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/15/2012
dmi.bios.vendor: Acer
dmi.bios.version: V2.07
dmi.board.asset.tag: Type2 - Board Asset Tag
dmi.board.name: VA50_HC_CR
dmi.board.vendor: Acer
dmi.board.version: Type2 - Board Version
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: V2.07
dmi.modalias:
dmi:bvnAcer:bvrV2.07:bd10/15/2012:svnAcer:pnAspireV3-571G:pvrV2.07:rvnAcer:rnVA50_HC_CR:rvrType2-BoardVersion:cvnAcer:ct10:cvrV2.07:
dmi.product.name: Aspire V3-571G
dmi.product.version: V2.07
dmi.sys.vendor: Acer
version.compiz: compiz 1:0.9.12.3+16.04.20180221-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.91-2~16.04.1
version.libgl1-mesa-dri: libgl1-mesa-dri 18.0.5-0ubuntu0~16.04.1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 18.0.5-0ubuntu0~16.04.1
version.nvidia-graphics-drivers: nvidia-graphics-drivers-* N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.18.4-0ubuntu0.8
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.1-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.7.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20160325-1ubuntu1.2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:1.0.12-1build2
xserver.bootTime: Sat Nov 23 17:25:58 2019
xserver.configfile: /etc/X11/xorg.conf
xserver.errors:
NVIDIA(0): Failed to initiate mode change.
NVIDIA(0): Failed to complete mode change
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.18.4-0ubuntu0.8
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