On Sat, Jun 03, 2017 at 05:20:47PM -0400, Michael C Cambria wrote:
I also tried stopping libvirtd, renaming both qemu-system-i386 and
qemu-system-x86_64, start libvirtd. Things get further along; dnsmasq
log messages show up.
$ sudo systemctl status libvirtd.service
● libvirtd.service - Virtualization daemon
Loaded: loaded (/usr/lib/systemd/system/libvirtd.service; enabled;
vendor preset: enabled)
Active: active (running) since Sat 2017-06-03 17:14:25 EDT; 7s ago
Docs: man:libvirtd(8)
http://libvirt.org
Main PID: 3246 (libvirtd)
Tasks: 21 (limit: 4915)
Memory: 107.4M
CPU: 300ms
CGroup: /system.slice/libvirtd.service
├─3158 /usr/bin/qemu-system-i386 -S -no-user-config
-nodefaults -nographic -M none -qmp
unix:/var/lib/libvirt/qemu/capabilities.monitor.sock,server,nowait
-pidfile /var/lib/libvirt/qemu/capabilities.
├─3160 /usr/bin/qemu-system-i386 -S -no-user-config
-nodefaults -nographic -M none -qmp
unix:/var/lib/libvirt/qemu/capabilities.monitor.sock,server,nowait
-pidfile /var/lib/libvirt/qemu/capabilities.
├─3246 /usr/sbin/libvirtd
├─3457 /sbin/dnsmasq
--conf-file=/var/lib/libvirt/dnsmasq/default.conf --leasefile-ro
--dhcp-script=/usr/libexec/libvirt_leaseshelper
└─3458 /sbin/dnsmasq
--conf-file=/var/lib/libvirt/dnsmasq/default.conf --leasefile-ro
--dhcp-script=/usr/libexec/libvirt_leaseshelper
Jun 03 17:14:25 example.com libvirtd[3246]: Failed to probe capabilities
for /usr/bin/qemu-kvm: internal error: Child process (LC_ALL=C
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin /usr/bin/qemu-k
Jun 03 17:14:26 example.com dnsmasq[3457]: started, version 2.76
cachesize 150
Jun 03 17:14:26 example.com dnsmasq[3457]: compile time options: IPv6
GNU-getopt DBus no-i18n IDN DHCP DHCPv6 no-Lua TFTP no-conntrack ipset
auth DNSSEC loop-detect inotify
Jun 03 17:14:26 example.com dnsmasq-dhcp[3457]: DHCP, IP range
192.168.122.2 -- 192.168.122.254, lease time 1h
Jun 03 17:14:26 example.com dnsmasq-dhcp[3457]: DHCP, sockets bound
exclusively to interface virbr0
Jun 03 17:14:26 example.com dnsmasq[3457]: reading /etc/resolv.conf
Jun 03 17:14:26 example.com dnsmasq[3457]: using nameserver 172.16.8.1#53
Jun 03 17:14:26 example.com dnsmasq[3457]: read /etc/hosts - 2 addresses
Jun 03 17:14:26 example.com dnsmasq[3457]: read
/var/lib/libvirt/dnsmasq/default.addnhosts - 0 addresses
Jun 03 17:14:26 example.com dnsmasq-dhcp[3457]: read
/var/lib/libvirt/dnsmasq/default.hostsfile
$ sudo virsh list
Id Name State
----------------------------------------------------
$
As you can see, none of my vm's show up. I'm guessing the "qemu-kvm:
internal error" results from renaming qemu-system-x86_64??
Yeah, feel free to move them back.
Could something else (selinux?) be involved?
It should not. Now we know it is QEMU, but becuase it is disrupting libvirt in its initialization phase, it looks like nothing works. You could grab a backtrace of the qemu process and try on qemu-devel ML. Also, if you want to make sure (or see after what command gets stuck), you can enable debug logs for libvirt into some file and then grep that for QEMU_MONITOR_ and you'll see. [1] http://wiki.libvirt.org/page/DebugLogs [2] I'm not sure about the whole thing to look for, but this is enough)
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