On 03/22/2018 05:10 PM, Mathieu Tarral wrote: > Hi ! > > I'm submitting my messages on this mailing list to request a bit of > help on a case that I have > where a Python application makes a call to virDomainIsActive, and the > call never returns. > > I have tried to investigate, but as there are no debug symbols for > libvirt on Debian Stretch, > i can only have the following GDB backtrace: > > (gdb) bt > #0 pthread_cond_wait@@GLIBC_2.3.2 () at > ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 > #1 0x00007f49026f5b76 in virCondWait () from /usr/lib/libvirt.so.0 > #2 0x00007f4902808bab in ?? () from /usr/lib/libvirt.so.0 > #3 0x00007f490280a433 in virNetClientSendWithReply () from > /usr/lib/libvirt.so.0 > #4 0x00007f490280abe2 in virNetClientProgramCall () from /usr/lib/libvirt.so.0 > #5 0x00007f49027e0ea4 in ?? () from /usr/lib/libvirt.so.0 > #6 0x00007f49027ea1bb in ?? () from /usr/lib/libvirt.so.0 > #7 0x00007f49027b0ef3 in virDomainIsActive () from /usr/lib/libvirt.so.0 > #8 0x00007f4902b7fbd0 in libvirt_virDomainIsActive () from > /usr/lib/python3/dist-packages/libvirtmod.cpython-35m-x86_64-linux-gnu.so > #9 0x0000558eeec696df in PyCFunction_Call () at ../Objects/methodobject.c:109 This is just a client waiting for server's reply. You want to attach gdb to corresponding daemon and run 't a a bt' (thread apply all backtrace). Libvirtd is multithreaded and one of the threads will be executing your API. Michal -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list
