Here is the backtrace of the libvirt process just started https://pastebin.com/R66myzFp Stefano 2017-04-27 15:12 GMT+02:00 Michal Privoznik <mprivozn@xxxxxxxxxx>: > On 04/27/2017 03:11 PM, Michal Privoznik wrote: >> On 04/27/2017 02:02 PM, Stefano Ricci wrote: >>> Hello everyone >>> I come back to ask for a hand to solve a problem that has affected me >>> since October 2016 and I have not yet solved using libvirt. >>> I thought I would solve it by going to a 4.9.x kernel with qemu >>> 2.8.1.1 and with libvirt 3.2.0. >>> Compile it all in a stable LFS environment version 7.9 and that all >>> checks pass without errors. >>> The strange thing is that the libvirtd process starts without errors >>> but has arrived at the qemu process launch to understand the system's >>> capabilities freezes until the following process is killed >>> /usr/bin/qemu-system-x86_64 -S -none-user-config -nodefaults >>> -nographic -machine none, accel = kvm: tcg -qmp unix: >>> /var/lib/libvirt/qemu/capabilities.monitor.sock,server,nowait-pidfile/var/lib/libvirt/qemu/capabilities.Pidfile >>> -daemonize, since that time libvirtd resumes running and can be used >>> with virsh. >>> Performing qemu independently of libvirt works regularly, creates and >>> runs virtual machines smoothly. >>> >>> Thanks in advance >>> Stefano Ricci >>> >> >> >> I think I've read this somewhere else, but I don't remember where. >> Anyway, my rough guess is that libvirtd is stuck on refreshing the qemu >> capabilities. This is done on the daemon startup and until it finishes, >> no API can be practically executed. Well, for the driver in question (in >> this case qemu). Other driver should work just fine. >> >> Can you please attach debugger and get the backtrace for us? >> >> gdb -p $(pgrep libvirtd) >> >> ... >> ... >> (gdb) bt > > I mean more 't a a bt' which stands for 'thread apply all backtrace' => > get backtrace for all the threads. Thanks. > > Michal _______________________________________________ libvirt-users mailing list libvirt-users@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvirt-users