*** This bug is a duplicate of bug 854474 ***
https://bugs.launchpad.net/bugs/854474
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 #854474, 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/1254147/+attachment/3915185/+files/CoreDump.gz
** Attachment removed: "Disassembly.txt"
https://bugs.launchpad.net/bugs/1254147/+attachment/3915187/+files/Disassembly.txt
** Attachment removed: "ProcMaps.txt"
https://bugs.launchpad.net/bugs/1254147/+attachment/3915188/+files/ProcMaps.txt
** Attachment removed: "ProcStatus.txt"
https://bugs.launchpad.net/bugs/1254147/+attachment/3915189/+files/ProcStatus.txt
** Attachment removed: "Registers.txt"
https://bugs.launchpad.net/bugs/1254147/+attachment/3915190/+files/Registers.txt
** Attachment removed: "Stacktrace.txt"
https://bugs.launchpad.net/bugs/1254147/+attachment/3915191/+files/Stacktrace.txt
** Attachment removed: "ThreadStacktrace.txt"
https://bugs.launchpad.net/bugs/1254147/+attachment/3915192/+files/ThreadStacktrace.txt
** This bug has been marked a duplicate of bug 854474
gdm-session-worker crashed with SIGSEGV in calloc()
** Information type changed from Private to Public
** Tags removed: need-i386-retrace
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https://bugs.launchpad.net/bugs/1254147
Title:
gdm-session-worker crashed with SIGSEGV in add_user()
Status in “gdm” package in Ubuntu:
New
Bug description:
This system boots from NFS (/ on aufs) and uses lib{pam,nss}-ldapd for
authentication.
After entering the username and password and pressing Login, most
times the login window goes to the busy state (buttons disabled,
cursor spinning) and hangs there forever. Sometimes (once in four,
maybe?) it just works.
In the default gdm configuration, no crash or error is recorded. With
/etc/gdm/custom.conf:
[debug]
Enabled=true
I get the attached crash. I will see if I can get this to happen on a
system with a more conventional configuration...
ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: gdm 3.0.4-0ubuntu15.1
ProcVersionSignature: Ubuntu 3.8.0-33.48~precise1-generic 3.8.13.11
Uname: Linux 3.8.0-33-generic i686
NonfreeKernelModules: nvidia
ApportVersion: 2.0.1-0ubuntu17.6
Architecture: i386
Date: Fri Nov 22 11:41:17 2013
ExecutablePath: /usr/lib/gdm/gdm-session-worker
ExecutableTimestamp: 1365672668
MarkForUpload: True
ProcCmdline: /usr/lib/gdm/gdm-session-worker
ProcCwd: /
ProcEnviron:
LANG=en_CA.UTF-8
TERM=linux
LANGUAGE=en_CA:
PATH=(custom, no user)
SegvAnalysis:
Segfault happened at: 0xb7428160 <malloc_consolidate+256>: mov
0x4(%edi),%edx
PC (0xb7428160) ok
source "0x4(%edi)" (0xc0f64c9c) not located in a known VMA region (needed
readable region)!
destination "%edx" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: gdm
StacktraceTop:
add_user (user=0x99f2d50, manager=0x99f3820) at act-user-manager.c:698
on_new_user_loaded (manager=0x99f3820, user=0x99f2d50, pspec=<optimized
out>) at act-user-manager.c:822
on_new_user_loaded (user=0x99f2d50, pspec=0x99eb0f0, manager=0x99f3820) at
act-user-manager.c:766
g_cclosure_marshal_VOID__PARAM (closure=0x99ed480, return_value=0x0,
n_param_values=2, param_values=0xbfa28700, invocation_hint=0xbfa28680,
marshal_data=0x0) at /build/buildd/glib2.0-2.32.4/./gobject/gmarshal.c:1042
g_closure_invoke (closure=0x99ed480, return_value=0x0, n_param_values=2,
param_values=0xbfa28700, invocation_hint=0xbfa28680) at
/build/buildd/glib2.0-2.32.4/./gobject/gclosure.c:777
Title: gdm-session-worker crashed with SIGSEGV in add_user()
UpgradeStatus: No upgrade log present (probably fresh install)
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