*** This bug is a duplicate of bug 1675141 ***
https://bugs.launchpad.net/bugs/1675141
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 #1675141, 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/1756632/+attachment/5082773/+files/CoreDump.gz
** Attachment removed: "Disassembly.txt"
https://bugs.launchpad.net/bugs/1756632/+attachment/5082775/+files/Disassembly.txt
** Attachment removed: "ProcMaps.txt"
https://bugs.launchpad.net/bugs/1756632/+attachment/5082781/+files/ProcMaps.txt
** Attachment removed: "ProcStatus.txt"
https://bugs.launchpad.net/bugs/1756632/+attachment/5082782/+files/ProcStatus.txt
** Attachment removed: "Registers.txt"
https://bugs.launchpad.net/bugs/1756632/+attachment/5082783/+files/Registers.txt
** Attachment removed: "Stacktrace.txt"
https://bugs.launchpad.net/bugs/1756632/+attachment/5082784/+files/Stacktrace.txt
** Attachment removed: "ThreadStacktrace.txt"
https://bugs.launchpad.net/bugs/1756632/+attachment/5082785/+files/ThreadStacktrace.txt
** This bug has been marked a duplicate of bug 1675141
lightdm crashed with SIGSEGV in munmap()
** Tags removed: need-amd64-retrace
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Touch seeded packages, which is subscribed to lightdm in Ubuntu.
https://bugs.launchpad.net/bugs/1756632
Title:
lightdm crashed with SIGSEGV in _dl_fini()
Status in lightdm package in Ubuntu:
New
Bug description:
Crash occured on boot
ProblemType: Crash
DistroRelease: Ubuntu 18.04
Package: lightdm 1.25.2-0ubuntu1
ProcVersionSignature: Ubuntu 4.15.0-12.13-generic 4.15.7
Uname: Linux 4.15.0-10-generic x86_64
ApportVersion: 2.20.8-0ubuntu10
Architecture: amd64
Date: Sat Mar 17 21:41:53 2018
ExecutablePath: /usr/sbin/lightdm
InstallationDate: Installed on 2017-10-24 (144 days ago)
InstallationMedia: Xubuntu 17.10 "Artful Aardvark" - Release amd64
(20171017.1)
LightdmConfig:
[Seat:*]
autologin-guest=false
autologin-user=skellat
autologin-user-timeout=0
ProcCmdline: lightdm --session-child 12 15
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SegvAnalysis:
Segfault happened at: 0x7f4cc21acb3a <_dl_fini+410>: mov 0x8(%rax),%r15
PC (0x7f4cc21acb3a) ok
source "0x8(%rax)" (0x7f4cbe73ee78) not located in a known VMA region
(needed readable region)!
destination "%r15" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: lightdm
StacktraceTop:
_dl_fini () at dl-fini.c:134
__run_exit_handlers (status=0, listp=0x7f4cc0d19718 <__exit_funcs>,
run_list_atexit=run_list_atexit@entry=true, run_dtors=run_dtors@entry=true) at
exit.c:108
__GI_exit (status=<optimized out>) at exit.c:139
()
<signal handler called> () at /lib/x86_64-linux-gnu/libc.so.6
Title: lightdm crashed with SIGSEGV in _dl_fini()
UpgradeStatus: Upgraded to bionic on 2018-02-19 (26 days ago)
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