** Also affects: lightdm
Importance: Undecided
Status: New
** Changed in: lightdm (Ubuntu)
Status: Confirmed => Triaged
** Changed in: lightdm
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1504724
Title:
lightdm crashed with SIGSEGV in munmap()
Status in Light Display Manager:
Confirmed
Status in lightdm package in Ubuntu:
Triaged
Bug description:
crash at startup
ProblemType: Crash
DistroRelease: Ubuntu 15.10
Package: lightdm 1.16.3-0ubuntu1
ProcVersionSignature: Ubuntu 4.2.0-15.18-generic 4.2.3
Uname: Linux 4.2.0-15-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.19.1-0ubuntu2
Architecture: amd64
Date: Fri Oct 9 23:46:03 2015
ExecutablePath: /usr/sbin/lightdm
LightdmGreeterLog:
** Message: Starting lightdm-gtk-greeter 2.0.1 (Aug 7 2015, 01:24:18)
** Message: [Configuration] Reading file:
/etc/lightdm/lightdm-gtk-greeter.conf.d/01_ubuntu.conf
** Message: [Configuration] Reading file:
/etc/lightdm/lightdm-gtk-greeter.conf.d/99_ubuntu-mate.conf
** Message: [Configuration] Reading file:
/etc/lightdm/lightdm-gtk-greeter.conf
upstart: indicator-application main process (2433) terminated with status 1
LightdmGreeterLogOld:
** Message: Starting lightdm-gtk-greeter 2.0.1 (Aug 7 2015, 01:24:18)
** Message: [Configuration] Reading file:
/etc/lightdm/lightdm-gtk-greeter.conf.d/01_ubuntu.conf
** Message: [Configuration] Reading file:
/etc/lightdm/lightdm-gtk-greeter.conf.d/99_ubuntu-mate.conf
** Message: [Configuration] Reading file:
/etc/lightdm/lightdm-gtk-greeter.conf
upstart: indicator-application main process (2426) killed by TERM signal
ProcCmdline: lightdm --session-child 12 19
ProcEnviron:
TERM=linux
PATH=(custom, no user)
SegvAnalysis:
Segfault happened at: 0x7f8c59f0fb94 <_dl_fini+452>: add 0x8(%rax),%r12
PC (0x7f8c59f0fb94) ok
source "0x8(%rax)" (0x7f8c4a545e08) not located in a known VMA region
(needed readable region)!
destination "%r12" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: lightdm
StacktraceTop:
munmap () at ../sysdeps/unix/syscall-template.S:81
_dl_unmap_segments (l=0x1d2c910, l=0x1d2c910) at ./dl-unmap-segments.h:32
_dl_unmap (map=map@entry=0x1d2c910) at ../sysdeps/x86_64/tlsdesc.c:140
_dl_close_worker (map=map@entry=0x1d2c440) at dl-close.c:641
_dl_close_worker (map=0x1d2c440) at dl-close.c:125
Title: lightdm crashed with SIGSEGV in munmap()
UpgradeStatus: No upgrade log present (probably fresh install)
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