Ubuntu
nepomuk-core package

nepomukserver crashed with SIGSEGV in _int_free()

Bug #1026567 reported by Dave Gilbert on 2012-07-19

This bug report is a duplicate of: Bug #1163632: nepomukserver crashed with SIGSEGV in close(). Edit Remove

14

This bug affects 2 people

Affects		Status	Importance	Assigned to	Milestone
	nepomuk-core (Ubuntu)	Confirmed	Medium	Unassigned

Bug Description

Not sure when this one landed; it was showing as an alert on the next ogin.

ProblemType: Crash
DistroRelease: Ubuntu 12.10
Package: nepomuk-core 4:4.8.90-0ubuntu1
ProcVersionSignature: Ubuntu 3.5.0-4.4-generic 3.5.0-rc6
Uname: Linux 3.5.0-4-generic x86_64
ApportVersion: 2.4-0ubuntu1
Architecture: amd64
Date: Tue Jul 17 22:04:01 2012
ExecutablePath: /usr/bin/nepomukserver
InstallationMedia: Kubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120717)
ProcCmdline: /usr/bin/nepomukserver
ProcEnviron:
LANGUAGE=en_GB:en
PATH=(custom, no user)
LANG=en_GB.UTF-8
SHELL=/bin/bash
SegvAnalysis:
Segfault happened at: 0x7f93192476cc <_ZN9QHashData14detach_helper2EPFvPNS_4NodeEPvEPFvS1_Eii+236>: mov (%rax,%rdx,8),%rbx
PC (0x7f93192476cc) ok
source "(%rax,%rdx,8)" (0x00000040) not located in a known VMA region (needed readable region)!
destination "%rbx" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: nepomuk-core
StacktraceTop:
?? () from /lib/x86_64-linux-gnu/libc.so.6
QHashData::free_helper(void (*)(QHashData::Node*)) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
?? () from /usr/lib/libkdecore.so.5
?? () from /lib/x86_64-linux-gnu/libc.so.6
exit () from /lib/x86_64-linux-gnu/libc.so.6
Title: nepomukserver crashed with SIGSEGV in QHashData::free_helper()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip kvm libvirtd lpadmin plugdev sambashare sudo

Tags:

Revision history for this message

Dave Gilbert (ubuntu-treblig) wrote on 2012-07-19:

#1

Dependencies.txt Edit (4.4 KiB, text/plain; charset="utf-8")
Disassembly.txt Edit (1.7 KiB, text/plain; charset="utf-8")
ProcMaps.txt Edit (23.1 KiB, text/plain; charset="utf-8")
ProcStatus.txt Edit (813 bytes, text/plain; charset="utf-8")
Registers.txt Edit (811 bytes, text/plain; charset="utf-8")
Stacktrace.txt Edit (1.3 KiB, text/plain; charset="utf-8")
ThreadStacktrace.txt Edit (2.0 KiB, text/plain; charset="utf-8")

Revision history for this message

Apport retracing service (apport) wrote on 2012-07-19:

#2

StacktraceTop:
_int_free (av=0x7f931a7b1720, p=0xfabd10, have_lock=0) at malloc.c:4006
QHashData::free_helper(void (*)(QHashData::Node*)) () from /tmp/tmpLG8Tza/usr/lib/x86_64-linux-gnu/libQtCore.so.4
freeData (x=<optimized out>, this=<optimized out>) at /usr/include/qt4/QtCore/qhash.h:570
~QHash (this=0xfa3938, __in_chrg=<optimized out>) at /usr/include/qt4/QtCore/qhash.h:283
~KDebugPrivate (this=0xfa3920, __in_chrg=<optimized out>) at ../../kdecore/io/kdebug.cpp:248

Revision history for this message

Apport retracing service (apport) wrote on 2012-07-19: Stacktrace.txt

#3

Stacktrace.txt Edit (3.1 KiB, text/plain)

Revision history for this message

Apport retracing service (apport) wrote on 2012-07-19: StacktraceSource.txt

#4

StacktraceSource.txt Edit (2.5 KiB, text/plain)

Revision history for this message

Apport retracing service (apport) wrote on 2012-07-19: ThreadStacktrace.txt

#5

ThreadStacktrace.txt Edit (4.2 KiB, text/plain)

Changed in nepomuk-core (Ubuntu):
importance:	Undecided → Medium
summary:	- nepomukserver crashed with SIGSEGV in QHashData::free_helper() + nepomukserver crashed with SIGSEGV in _int_free()
tags:	removed: need-amd64-retrace

Revision history for this message

Launchpad Janitor (janitor) wrote on 2012-10-07:

#6

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in nepomuk-core (Ubuntu):
status:	New → Confirmed

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