*** This bug is a duplicate of bug 1620994 ***
https://bugs.launchpad.net/bugs/1620994
Thank you for taking the time to report this crash and helping to make
this software better. This particular crash has already been reported
and is a duplicate of bug #1620994, so is being marked as such. Please
look at the other bug report to see if there is any missing information
that you can provide, or to see if there is a workaround for the bug.
Additionally, any further discussion regarding the bug should occur in
the other report. Please continue to report any other bugs you may
find.
** Attachment removed: "CoreDump.gz"
https://bugs.launchpad.net/bugs/1624191/+attachment/4741709/+files/CoreDump.gz
** Attachment removed: "Disassembly.txt"
https://bugs.launchpad.net/bugs/1624191/+attachment/4741711/+files/Disassembly.txt
** Attachment removed: "ProcMaps.txt"
https://bugs.launchpad.net/bugs/1624191/+attachment/4741713/+files/ProcMaps.txt
** Attachment removed: "ProcStatus.txt"
https://bugs.launchpad.net/bugs/1624191/+attachment/4741714/+files/ProcStatus.txt
** Attachment removed: "Registers.txt"
https://bugs.launchpad.net/bugs/1624191/+attachment/4741715/+files/Registers.txt
** Attachment removed: "Stacktrace.txt"
https://bugs.launchpad.net/bugs/1624191/+attachment/4741716/+files/Stacktrace.txt
** Attachment removed: "ThreadStacktrace.txt"
https://bugs.launchpad.net/bugs/1624191/+attachment/4741717/+files/ThreadStacktrace.txt
** This bug has been marked a duplicate of bug 1620994
[regression] Starting in Mesa 12.0.2, EGL clients crash with SIGSEGV in
dri2_destroy_context() (from eglDestroyContext or eglTerminate)
** Information type changed from Private to Public
** Tags removed: need-amd64-retrace
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Touch seeded packages, which is subscribed to unity8 in Ubuntu.
https://bugs.launchpad.net/bugs/1624191
Title:
unity8-dash crashed with SIGSEGV in eglDestroyContext()
Status in unity8 package in Ubuntu:
New
Bug description:
Got this after logging out of Unity 8 and logging into Unity 7. While
in Unity windows would open but their contents would only be a title
bar and spinner, this includes the dash (which was open when I logged
in to Unity 8).
ProblemType: Crash
DistroRelease: Ubuntu 16.10
Package: unity8 8.14+16.10.20160831.3-0ubuntu1
ProcVersionSignature: Ubuntu 4.4.0-9136.55-generic 4.4.16
Uname: Linux 4.4.0-9136-generic x86_64
ApportVersion: 2.20.3-0ubuntu7
Architecture: amd64
CrashCounter: 1
Date: Thu Sep 15 23:36:11 2016
ExecutablePath: /usr/bin/unity8-dash
InstallationDate: Installed on 2015-07-07 (436 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
ProcCmdline: unity8-dash
--desktop_file_hint=/usr/share/applications/unity8-dash.desktop
ProcEnviron:
LANGUAGE=en_CA:en
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_CA.UTF-8
SHELL=/bin/bash
SegvAnalysis:
Segfault happened at: 0x7fa6c9e81a3e: mov 0x30(%rbp),%rax
PC (0x7fa6c9e81a3e) ok
source "0x30(%rbp)" (0x00000030) not located in a known VMA region (needed
readable region)!
destination "%rax" ok
Stack memory exhausted (SP below stack segment)
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: unity8
StacktraceTop:
?? () from /usr/lib/x86_64-linux-gnu/mesa-egl/libEGL.so.1
eglDestroyContext () from /usr/lib/x86_64-linux-gnu/mesa-egl/libEGL.so.1
?? () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqpa-ubuntumirclient.so
?? () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqpa-ubuntumirclient.so
QOpenGLContext::destroy() () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
Title: unity8-dash crashed with SIGSEGV in eglDestroyContext()
UpgradeStatus: Upgraded to yakkety on 2016-09-07 (8 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
upstart.unity8-dash.log: [2016-09-15:23:36:10.727] QEGLPlatformContext:
eglMakeCurrent failed: 3001
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