Public bug reported:
While normal use, Unity disappeared, black screen with white blinking
cursor appeared, then I was redirected to login screen. No changes were
made to system recently.
Xorg.log.old indicated the following error:
[ 11178.146] (EE)
[ 11178.146] (EE) Backtrace:
[ 11178.147] (EE) 0: /usr/bin/X (xorg_backtrace+0x48) [0x7f40ec9fded8]
[ 11178.148] (EE) 1: /usr/bin/X (0x7f40ec859000+0x1a8f19) [0x7f40eca01f19]
[ 11178.148] (EE) 2: /lib/x86_64-linux-gnu/libc.so.6 (0x7f40ea9d9000+0x36d40)
[0x7f40eaa0fd40]
[ 11178.148] (EE) 3: /usr/lib/xorg/modules/drivers/intel_drv.so
(0x7f40e67df000+0x46431) [0x7f40e6825431]
[ 11178.148] (EE) 4: /usr/lib/xorg/modules/drivers/intel_drv.so
(0x7f40e67df000+0x4dc90) [0x7f40e682cc90]
[ 11178.148] (EE) 5: /usr/bin/X (0x7f40ec859000+0x130f5d) [0x7f40ec989f5d]
[ 11178.148] (EE) 6: /usr/bin/X (0x7f40ec859000+0x4ffe2) [0x7f40ec8a8fe2]
[ 11178.148] (EE) 7: /usr/bin/X (0x7f40ec859000+0x5369e) [0x7f40ec8ac69e]
[ 11178.148] (EE) 8: /usr/bin/X (0x7f40ec859000+0x574ea) [0x7f40ec8b04ea]
[ 11178.148] (EE) 9: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf5)
[0x7f40ea9faec5]
[ 11178.148] (EE) 10: /usr/bin/X (0x7f40ec859000+0x42a5e) [0x7f40ec89ba5e]
[ 11178.148] (EE)
[ 11178.148] (EE) Segmentation fault at address 0xb0b0008
[ 11178.148] (EE)
Fatal server error:
[ 11178.148] (EE) Caught signal 11 (Segmentation fault). Server aborting
[ 11178.148] (EE)
[ 11178.148] (EE)
Please consult the The X.Org Foundation support
at http://wiki.x.org
for help.
[ 11178.148] (EE) Please also check the log file at "/var/log/Xorg.0.log" for
additional information.
[ 11178.148] (EE)
[ 11178.148] (II) AIGLX: Suspending AIGLX clients for VT switch
[ 11179.500] (EE) Server terminated with error (1). Closing log file.
(also included as an attachment)
kern.log:
Jun 16 21:10:13 dell9 kernel: [11186.675544] show_signal_msg: 153 callbacks
suppressed
Jun 16 21:10:13 dell9 kernel: [11186.675550] PulseaudioSound[3300]: segfault at
fffffe5da741ebf7 ip 0000000001c47ce0 sp 00007f61f2014538 error 5 in
spotify[400000+2520000]
(I think Spotify crash was an effect rather than cause of X crash)
Description: Ubuntu 14.04.2 LTS
Release: 14.04
xorg:
Zainstalowana: 1:7.7+1ubuntu8.1
Kandydująca: 1:7.7+1ubuntu8.1
Tabela wersji:
*** 1:7.7+1ubuntu8.1 0
500 http://pl.archive.ubuntu.com/ubuntu/ trusty-updates/main amd64
Packages
100 /var/lib/dpkg/status
1:7.7+1ubuntu8 0
500 http://pl.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
I am a beginning Linux user. If I can provide more information, I will
be happy to help.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: xorg 1:7.7+1ubuntu8.1
ProcVersionSignature: Ubuntu 3.19.0-21.21~14.04.1-generic 3.19.8
Uname: Linux 3.19.0-21-generic x86_64
.tmp.unity.support.test.0:
ApportVersion: 2.14.1-0ubuntu3.11
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: Tue Jun 16 21:15:05 2015
DistUpgraded: Fresh install
DistroCodename: trusty
DistroVariant: ubuntu
DkmsStatus:
bbswitch, 0.7, 3.19.0-20-generic, x86_64: installed
bbswitch, 0.7, 3.19.0-21-generic, x86_64: installed
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a16] (rev
0b) (prog-if 00 [VGA controller])
Subsystem: Dell Device [1028:05fa]
Subsystem: Dell Device [1028:05fa]
InstallationDate: Installed on 2015-06-08 (8 days ago)
InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
MachineType: Dell Inc. Inspiron 7537
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-21-generic.efi.signed
root=UUID=76c8d406-894b-4013-90c6-b4313dc34b14 ro noprompt persistent quiet
splash vt.handoff=7
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/18/2014
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A10
dmi.board.name: 038M0M
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: 0.1
dmi.modalias:
dmi:bvnDellInc.:bvrA10:bd07/18/2014:svnDellInc.:pnInspiron7537:pvr:rvnDellInc.:rn038M0M:rvrA00:cvnDellInc.:ct8:cvr0.1:
dmi.product.name: Inspiron 7537
dmi.sys.vendor: Dell Inc.
version.compiz: compiz 1:0.9.11.3+14.04.20150313-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.60-2~ubuntu14.04.1
version.libgl1-mesa-dri: libgl1-mesa-dri N/A
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core N/A
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati N/A
version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A
xserver.bootTime: Tue Jun 16 21:10:13 2015
xserver.configfile: default
xserver.errors:
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
product id 4589
vendor AUO
xserver.version: 2:1.16.0-1ubuntu1.2~trusty2
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug compiz-0.9 trusty ubuntu
** Attachment added: "Xorg.0.log"
https://bugs.launchpad.net/bugs/1465822/+attachment/4415794/+files/Xorg.0.log.old
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which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1465822
Title:
X session crashed
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