sreadahead crashed with SIGSEGV in __pause_nocancel()

[chet]

Binary package hint: sreadahead

I'm not sure what happened my computer was running overnight and in the morning I had this report.

ProblemType: Crash
Architecture: amd64
Date: Wed Sep 9 14:16:44 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /sbin/sreadahead
NonfreeKernelModules: nvidia
Package: sreadahead 1.0-2
ProcCmdline: /sbin/sreadahead -t 0
ProcEnviron: PATH=(custom, no user)
ProcVersionSignature: Ubuntu 2.6.31-10.30-generic
SegvAnalysis:
 Segfault happened at: 0x401ed5 <mmap@plt+2661>: mov (%r15,%rdi,1),%dil
 PC (0x00401ed5) ok
 source "(%r15,%rdi,1)" (0x100007febc1dcf010) not located in a known VMA region (needed readable region)!
 destination "%dil" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: sreadahead
StacktraceTop:
 __pause_nocancel () from /lib/libpthread.so.0
 ?? ()
 __libc_start_main () from /lib/libc.so.6
 ?? ()
 ?? ()
Title: sreadahead crashed with SIGSEGV in __pause_nocancel()
Uname: Linux 2.6.31-10-generic x86_64
UserGroups:

[Apport retracing service (apport)]

StacktraceTop:__pause_nocancel () from /lib/libpthread.so.0
?? ()
__libc_start_main (main=<value optimized out>,
?? ()
?? ()