memcheck crashed with SIGSEGV in do_syscall_WRK()

Binary package hint: valgrind

I was using valgrind to trace a crash in plasma

ProblemType: Crash
Architecture: amd64
Dependencies:
 libgcc1 1:4.3.3-3ubuntu5
 gcc-4.3-base 4.3.3-3ubuntu5
 findutils 4.4.0-2ubuntu3
 libc6 2.9-0ubuntu11
DistroRelease: Ubuntu 9.04
ExecutablePath: /usr/lib/valgrind/amd64-linux/memcheck
NonfreeKernelModules: nvidia
Package: valgrind 1:3.3.1-2ubuntu1
ProcCmdline: /usr/bin/valgrind.bin --log-file=plasma.log plasma
ProcEnviron:
 LANGUAGE=
 PATH=(custom, user)
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
Signal: 11
SourcePackage: valgrind
StacktraceTop:
 do_syscall_WRK ()
 vgPlain_do_syscall (sysno=10116, a1=11, a2=0,
 vgPlain_kill (pid=0, signo=-1) at m_libcsignal.c:171
 vgPlain_kill_self (sigNo=11) at m_signals.c:1132
 shutdown_actions_NORETURN (
Title: memcheck crashed with SIGSEGV in do_syscall_WRK()
Uname: Linux 2.6.28-8-generic x86_64
UserGroups: adm admin audio cdrom dialout lpadmin plugdev sambashare