I looked at the strace-output and found many errors like this (but I can't interpret them):
fstat64(0x1c,0xbfff7534)
shmat(28,0x2,0x2,ptrace: umoven: Input/output error)
Only a hint;-(
or is this normal?
--
\____ __
Dieter Faulbaum o/ \
<\__,\
"\, \
