*** This bug is a duplicate of bug 1724439 ***
https://bugs.launchpad.net/bugs/1724439
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 #1724439, 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/1760969/+attachment/5100264/+files/CoreDump.gz
** Attachment removed: "Disassembly.txt"
https://bugs.launchpad.net/bugs/1760969/+attachment/5100266/+files/Disassembly.txt
** Attachment removed: "ProcMaps.txt"
https://bugs.launchpad.net/bugs/1760969/+attachment/5100269/+files/ProcMaps.txt
** Attachment removed: "ProcStatus.txt"
https://bugs.launchpad.net/bugs/1760969/+attachment/5100270/+files/ProcStatus.txt
** Attachment removed: "Registers.txt"
https://bugs.launchpad.net/bugs/1760969/+attachment/5100271/+files/Registers.txt
** Attachment removed: "Stacktrace.txt"
https://bugs.launchpad.net/bugs/1760969/+attachment/5100272/+files/Stacktrace.txt
** Attachment removed: "ThreadStacktrace.txt"
https://bugs.launchpad.net/bugs/1760969/+attachment/5100273/+files/ThreadStacktrace.txt
** This bug has been marked a duplicate of bug 1724439
gnome-shell crashed with SIGSEGV in meta_window_get_monitor() from
ffi_call_unix64() from ffi_call() from gjs_invoke_c_function() from
function_call()
** Information type changed from Private to Public
** Tags removed: need-amd64-retrace
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https://bugs.launchpad.net/bugs/1760969
Title:
gnome-shell crashed with SIGSEGV in meta_window_get_monitor()
Status in gnome-shell package in Ubuntu:
New
Bug description:
this occurs on a system that has DisplayPort 1.2 daisy-chained
monitors, that are connected via a DisplayPort 1.2 compliant KVM
switch. Crashes usually occur at the moment the switch disconnects the
monitor chain, or restores the monitor chain, at which time the KVM
may be suddenly reporting unusual resolutions for the DP monitor(s).
ProblemType: Crash
DistroRelease: Ubuntu 17.10
Package: gnome-shell 3.26.2-0ubuntu0.1
ProcVersionSignature: Ubuntu 4.13.0-37.42-generic 4.13.13
Uname: Linux 4.13.0-37-generic x86_64
ApportVersion: 2.20.7-0ubuntu3.7
Architecture: amd64
CrashCounter: 1
CurrentDesktop: ubuntu:GNOME
Date: Tue Apr 3 10:38:54 2018
DisplayManager: gdm3
ExecutablePath: /usr/bin/gnome-shell
GsettingsChanges:
b'org.gnome.shell' b'enabled-extensions'
b"['[email protected]']"
b'org.gnome.shell' b'favorite-apps' b"['org.gnome.Nautilus.desktop',
'org.gnome.Terminal.desktop', 'thunderbird.desktop', 'google-chrome.desktop']"
b'org.gnome.desktop.interface' b'clock-show-seconds' b'true'
b'org.gnome.desktop.interface' b'gtk-im-module' b"'gtk-im-context-simple'"
b'org.gnome.desktop.interface' b'clock-show-date' b'true'
InstallationDate: Installed on 2016-10-05 (545 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64
(20160719)
ProcCmdline: /usr/bin/gnome-shell
ProcEnviron:
LANGUAGE=en_CA:en
PATH=(custom, user)
XDG_RUNTIME_DIR=<set>
LANG=en_CA.UTF-8
SHELL=/bin/bash
SegvAnalysis:
Segfault happened at: 0x7fe9c42f72d4 <meta_window_get_monitor+4>: mov
0x18(%rax),%eax
PC (0x7fe9c42f72d4) ok
source "0x18(%rax)" (0x00000018) not located in a known VMA region (needed
readable region)!
destination "%eax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: gnome-shell
StacktraceTop:
meta_window_get_monitor () at /usr/lib/x86_64-linux-gnu/libmutter-1.so.0
ffi_call_unix64 () at /usr/lib/x86_64-linux-gnu/libffi.so.6
ffi_call () at /usr/lib/x86_64-linux-gnu/libffi.so.6
() at /usr/lib/libgjs.so.0
() at /usr/lib/libgjs.so.0
Title: gnome-shell crashed with SIGSEGV in meta_window_get_monitor()
UpgradeStatus: Upgraded to artful on 2017-10-23 (162 days ago)
UserGroups: adm cdrom dip docker lpadmin plugdev sambashare sudo wireshark
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