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bacetrace
2011 Mar 11
1
setpgid() before exec'ing qemu
...d have some apps that need
to talk to the guests.
All works really well until I needed to start another process.
So I start a process then "oz" starts up a VM (it uses libquestfs)
then when "oz" cleans up it calls libquestfs.kill_subprocess().
At this point my test locks up.
A bacetrace of the python code is:
#0 0x00000036fe80ef1e in waitpid () from /lib64/libpthread.so.0
#1 0x0000003629c0df7f in guestfs_close () from /usr/lib64/libguestfs.so.0
then a mess of python stuff
If I attach to it with strace it shows:
wait4(0,
It looks like libguestfs's children are already dead...