The libvirt-bin package from the ci-train ppa didn't fix my other problem (bug #1756981). libvirt-bin again changed pids after the virt- manager "crash".
grep libvirt /var/log/syslog shows when the version from the ppa segfaulted: Mar 19 16:58:31 nsnx libvirtd[30256]: 2018-03-19 19:58:31.302+0000: 30272: info : libvirt version: 4.0.0, package: 1ubuntu6~ppa2 (Christian Ehrhardt <[email protected]> Mon, 19 Mar 2018 14:57:08 +0100) Mar 19 16:58:31 nsnx libvirtd[30256]: 2018-03-19 19:58:31.302+0000: 30272: info : hostname: nsnx Mar 19 16:58:31 nsnx libvirtd[30256]: 2018-03-19 19:58:31.302+0000: 30272: error : virPidFileAcquirePath:422 : Failed to acquire pid file '/var/lib/libvirt/qemu/capabilities.pidfile': Resource temporarily unavailable Mar 19 16:58:31 nsnx libvirtd[30256]: 2018-03-19 19:58:31.909+0000: 30272: error : virDirOpenInternal:2840 : cannot open directory '/ds216/downloads/isos/ubuntu/14.04': No such file or directory Mar 19 16:58:31 nsnx libvirtd[30256]: 2018-03-19 19:58:31.909+0000: 30272: error : storageDriverAutostartCallback:210 : internal error: Failed to autostart storage pool '14.04': cannot open directory '/ds216/downloads/isos/ubuntu/14.04': No such file or directory Mar 19 16:58:31 nsnx libvirtd[30256]: 2018-03-19 19:58:31.910+0000: 30272: error : virDirOpenInternal:2840 : cannot open directory '/ds216/downloads/isos/ubuntu/16.04': No such file or directory Mar 19 16:58:31 nsnx libvirtd[30256]: 2018-03-19 19:58:31.910+0000: 30272: error : storageDriverAutostartCallback:210 : internal error: Failed to autostart storage pool '16.04': cannot open directory '/ds216/downloads/isos/ubuntu/16.04': No such file or directory Mar 19 17:04:48 nsnx kernel: [24991.495464] libvirtd[30258]: segfault at 0 ip 00007f3cee849020 sp 00007f3ce2016968 error 4 in libvirt.so.0.4000.0[7f3cee737000+3be000] Mar 19 17:04:48 nsnx systemd[1]: libvirtd.service: Main process exited, code=killed, status=11/SEGV Mar 19 17:04:48 nsnx systemd[1]: libvirtd.service: Failed with result 'signal'. Mar 19 17:04:48 nsnx systemd[1]: libvirtd.service: Service hold-off time over, scheduling restart. Mar 19 17:04:48 nsnx systemd[1]: libvirtd.service: Scheduled restart job, restart counter is at 1. Mar 19 17:04:48 nsnx systemd[1]: libvirtd.service: Found left-over process 3027 (dnsmasq) in control group while starting unit. Ignoring. Mar 19 17:04:48 nsnx systemd[1]: libvirtd.service: Found left-over process 3158 (dnsmasq) in control group while starting unit. Ignoring. Mar 19 17:04:48 nsnx systemd[1]: libvirtd.service: Found left-over process 3160 (dnsmasq) in control group while starting unit. Ignoring. Mar 19 17:04:48 nsnx systemd[1]: libvirtd.service: Found left-over process 3269 (dnsmasq) in control group while starting unit. Ignoring. Mar 19 17:04:48 nsnx systemd[1]: libvirtd.service: Found left-over process 12043 (qemu-system-x86) in control group while starting unit. Ignoring. Mar 19 17:04:49 nsnx dnsmasq[3158]: read /var/lib/libvirt/dnsmasq/default.addnhosts - 0 addresses Mar 19 17:04:49 nsnx dnsmasq-dhcp[3158]: read /var/lib/libvirt/dnsmasq/default.hostsfile Mar 19 17:04:49 nsnx dnsmasq[3269]: read /var/lib/libvirt/dnsmasq/pxe5.addnhosts - 0 addresses Mar 19 17:04:49 nsnx dnsmasq[3027]: read /var/lib/libvirt/dnsmasq/fed10-0-7-0.addnhosts - 0 addresses Mar 19 17:04:49 nsnx libvirtd[3819]: 2018-03-19 20:04:49.657+0000: 3835: info : libvirt version: 4.0.0, package: 1ubuntu6~ppa2 (Christian Ehrhardt <[email protected]> Mon, 19 Mar 2018 14:57:08 +0100) Mar 19 17:04:49 nsnx libvirtd[3819]: 2018-03-19 20:04:49.657+0000: 3835: info : hostname: nsnx Mar 19 17:04:49 nsnx libvirtd[3819]: 2018-03-19 20:04:49.657+0000: 3835: error : virDirOpenInternal:2840 : cannot open directory '/ds216/downloads/isos/ubuntu/16.04': No such file or directory Mar 19 17:04:49 nsnx libvirtd[3819]: 2018-03-19 20:04:49.657+0000: 3835: error : storageDriverAutostartCallback:210 : internal error: Failed to autostart storage pool '16.04': cannot open directory '/ds216/downloads/isos/ubuntu/16.04': No such file or directory Mar 19 17:04:49 nsnx libvirtd[3819]: 2018-03-19 20:04:49.657+0000: 3835: error : virDirOpenInternal:2840 : cannot open directory '/ds216/downloads/isos/ubuntu/14.04': No such file or directory Mar 19 17:04:49 nsnx libvirtd[3819]: 2018-03-19 20:04:49.657+0000: 3835: error : storageDriverAutostartCallback:210 : internal error: Failed to autostart storage pool '14.04': cannot open directory '/ds216/downloads/isos/ubuntu/14.04': No such file or directory -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1756915 Title: SIGSEGV on memory hotplug To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1756915/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
