nepomukservicestub crashed with SIGSEGV in __GI___poll()

[dtr]

This crash happens right after I login. I haven't noticed it happen every time, but this isn't the first time it has crashed.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: kde-runtime 4:4.8.2-0ubuntu2
ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
Uname: Linux 3.2.0-23-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.0.1-0ubuntu3
Architecture: amd64
CrashCounter: 1
Date: Mon Apr 16 11:18:51 2012
Disassembly: => 0x0: Cannot access memory at address 0x0
ExecutablePath: /usr/bin/nepomukservicestub
InstallationMedia: Kubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
ProcCmdline: /usr/bin/nepomukservicestub nepomukfilewatch
ProcCwd: /home/ja/Documents
ProcEnviron:
 LANGUAGE=en_CA
 LANG=en_CA.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x0: Cannot access memory at address 0x0
 PC (0x00000000) not located in a known VMA region (needed executable region)!
 Stack memory exhausted (SP below stack segment)
SegvReason: executing NULL VMA
Signal: 11
SourcePackage: kde-runtime
StacktraceTop:
 __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
 g_main_context_poll (n_fds=2, fds=0x7fec380029b0, timeout=-1, context=0x7fec380009a0, priority=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3417
 g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x7fec380009a0, self=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3118
 g_main_context_iterate (context=0x7fec380009a0, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3060
 g_main_context_iteration (context=0x7fec380009a0, may_block=1) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3184
Title: nepomukservicestub crashed with SIGSEGV in __GI___poll()
UpgradeStatus: Upgraded to precise on 2012-03-13 (33 days ago)
UserGroups: cdrom dialout fax floppy lpadmin plugdev sambashare scanner users vboxusers

[Apport retracing service (apport)]

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 #924235, 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.