Xorg crashed with signal 7 in start_thread()
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
xorg-server (Ubuntu) |
New
|
Medium
|
Unassigned |
Bug Description
Tried to use gdb to catch it, however the virtual ttys are blacked out, not frozen, thus could not do anything with it.
If someone can give me a practical advice on how to back-trace Xorg, I could help to troubleshoot it.
ProblemType: Crash
DistroRelease: Ubuntu 14.04
Package: xserver-xorg-core 2:1.15.1-0ubuntu2.1
ProcVersionSign
Uname: Linux 3.5.0-18-generic x86_64
.tmp.unity.
ApportVersion: 2.14.1-0ubuntu3.5
Architecture: amd64
CompizPlugins: No value set for `/apps/
CompositorRunning: compiz
CompositorUnred
CompositorUnred
CrashCounter: 1
Date: Mon Oct 20 12:28:56 2014
DistUpgraded: 2014-08-19 14:00:57,964 DEBUG enabling apt cron job
DistroCodename: trusty
DistroVariant: ubuntu
ExecutablePath: /usr/bin/Xorg
ExtraDebuggingI
GraphicsCard:
Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 07) (prog-if 00 [VGA controller])
Subsystem: Lenovo Device [17aa:20e4]
Subsystem: Lenovo Device [17aa:20e4]
InstallationDate: Installed on 2012-06-22 (850 days ago)
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
MachineType: LENOVO 647341U
PccardctlIdent:
Socket 0:
no product info available
PccardctlStatus:
Socket 0:
no card
ProcCmdline: /usr/bin/X -core :0 -seat seat0 -auth /var/run/
ProcEnviron:
ProcKernelCmdLine: BOOT_IMAGE=
Signal: 7
SourcePackage: xorg-server
StacktraceTop:
?? () from /usr/lib/
?? () from /usr/lib/
?? () from /usr/lib/
?? () from /usr/lib/
start_thread (arg=0x7f5a1f2a
Title: Xorg crashed with signal 7 in start_thread()
UpgradeStatus: Upgraded to trusty on 2014-08-19 (61 days ago)
UserGroups:
dmi.bios.date: 10/10/2012
dmi.bios.vendor: LENOVO
dmi.bios.version: 7VET95WW (3.25 )
dmi.board.name: 647341U
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.
dmi.modalias: dmi:bvnLENOVO:
dmi.product.name: 647341U
dmi.product.
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.11.
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.52-1
version.
version.
version.
version.
version.
version.
version.
version.
xserver.bootTime: Mon Oct 20 12:29:04 2014
xserver.configfile: default
xserver.errors:
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
product id 16437
vendor LEN
xserver.version: 2:1.15.1-0ubuntu2.1
information type: | Private → Public |
StacktraceTop: ./src/sna/ sna_trapezoids_ imprecise. c:2197 79e0, op=0x7fff0d3d6bd0, converter= 0x7f5a1f2aa300, sna=0x0) at ../../. ./src/sna/ sna_trapezoids_ imprecise. c:1127 converter@ entry=0x7f5a1f2 aa300, op=op@entry= 0x7fff0d3d6bd0, clip=0x7f5a278e 79e0, span=0x7f5a1fb67350 <tor_blt_src>, unbounded=1) at ../../. ./src/sna/ sna_trapezoids_ imprecise. c:1230 6bb8) at ../../. ./src/sna/ sna_trapezoids_ imprecise. c:2898 e0e0) at ../../. ./src/sna/ sna_threads. c:65
_tor_blt_src (in=0x7fff0d3d6bd0, box=<optimized out>, v=16 '\020') at ../../.
tor_blt (unbounded=1, height=<optimized out>, y=<optimized out>, span=0x7f5a1fb67350 <tor_blt_src>, clip=0x7f5a278e
tor_render (sna=sna@entry=0x0, converter=
inplace_thread (arg=0x7fff0d3d
__run__ (arg=0x7f5a269f