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Ubuntu 14.04 (trusty) reached end-of-standard-support on April 25, 2019.
I'm setting the status of this bug to 'Incomplete' as it's not seen any
activity for some time. If this bug report has any relevance when using
a currently maintained release of Ubuntu then please let us know which
one(s) otherwise this bug report can be left to expire in approximately
60 days time.
** Changed in: xorg (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1367386
Title:
Xorg crash with Trident driver after Xubuntu upgrade to Trusty
Status in xorg package in Ubuntu:
Incomplete
Bug description:
After upgrading Xubuntu 12.04 LTS -> 14.04.1 LTS, system boots to
black screen instead of desktop environment, but single user command
line works fine. Problem traced to xorg-server segfault crash in the
Trident driver as below (summary of details already uploaded). The
code attempts a call to an offset against eax which is a null pointer.
After changing the acceleration architecture from XAA to EXA with
Option "AccelMethod" "exa"
in the Trident Device section of xorg.conf, the desktop environment loaded
successfully.
Maybe this option should now be the default for Trident?
ProblemType: Crash
Architecture: i386
CrashCounter: 1
Date: Tue Sep 9 13:26:36 2014
DistroRelease: Ubuntu 14.04
ExecutablePath: /usr/bin/Xorg
ExecutableTimestamp: 1406679727
ProcCmdline: /usr/bin/X -core :0 -seat seat0 -auth /var/run/lightdm/root/:0
-nol
isten tcp vt7 -novtswitch
ProcCwd: /etc/X11
ProcEnviron:
Disassembly:
=> 0xb6cb39d1: call *0x6c(%eax)
0xb6cb39d4: jmp 0xb6cb3979
0xb6cb39d6: lea 0x0(%esi),%esi
0xb6cb39d9: lea 0x0(%edi,%eiz,1),%edi
0xb6cb39e0: push %ebp
0xb6cb39e1: mov %eax,%ebp
0xb6cb39e3: push %edi
0xb6cb39e4: xor %edi,%edi
0xb6cb39e6: push %esi
0xb6cb39e7: mov $0x20000,%esi
0xb6cb39ec: push %ebx
0xb6cb39ed: sub $0x1c,%esp
0xb6cb39f0: mov 0x18(%eax),%eax
0xb6cb39f3: call 0xb6caa4f0
0xb6cb39f8: add $0x14608,%ebx
0xb6cb39fe: sub $0x17,%eax
Package: xserver-xorg-core 2:1.15.1-0ubuntu2.1
PackageArchitecture: i386
ProcVersionSignature: Ubuntu 3.13.0-36.63-generic 3.13.11.6
Registers:
eax 0x0 0
ecx 0x0 0
edx 0xb96d7cb0 -1184006992
ebx 0xb6cc8000 -1228111872
esp 0xbf887300 0xbf887300
ebp 0xb96d5688 0xb96d5688
esi 0xb96d3f98 -1184022632
edi 0xb96d43f8 -1184021512
eip 0xb6cb39d1 0xb6cb39d1
eflags 0x213202 [ IF #12 #13 RF ID ]
cs 0x73 115
ss 0x7b 123
ds 0x7b 123
es 0x7b 123
fs 0x0 0
gs 0x33 51
SegvAnalysis:
Segfault happened at: 0xb6cb39d1: call *0x6c(%eax)
PC (0xb6cb39d1) ok
source "*0x6c(%eax)" ok
destination "(%esp)" (0xbf887300) ok
SP (0xbf887300) ok
Reason could not be automatically determined.
SourcePackage: xorg-server
...
Title: Xorg crashed with SIGSEGV in xf86VTSwitch()
UpgradeStatus: Upgraded to trusty on 2014-09-07 (2 days ago)
_MarkForUpload: True
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: xorg 1:7.7+1ubuntu8
ProcVersionSignature: Ubuntu 3.13.0-36.63-generic 3.13.11.6
Uname: Linux 3.13.0-36-generic i686
ApportVersion: 2.14.1-0ubuntu3.4
Architecture: i386
CurrentDesktop: XFCE
Date: Tue Sep 9 18:09:01 2014
SourcePackage: xorg
UpgradeStatus: Upgraded to trusty on 2014-09-07 (2 days ago)
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