Bug 1260538 - libvirt-guests.sh does not handle suspend failures resulting in hard resets
libvirt-guests.sh does not handle suspend failures resulting in hard resets
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: libvirt (Show other bugs)
Unspecified Unspecified
unspecified Severity unspecified
: rc
: ---
Assigned To: Erik Skultety
Depends On:
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Reported: 2015-09-07 04:16 EDT by Till Maas
Modified: 2017-08-02 01:55 EDT (History)
7 users (show)

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Description Till Maas 2015-09-07 04:16:38 EDT
Description of problem:
Because of bug 901631 libvirt is unable to suspend certain VMs. However libvirt-guests.sh does not check whether suspending fails and does not report that suspending failed. Therefore guests might be hard-resetted if the host is rebooted.

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
1. Create a VM that cannot suspend (e.g. because of using a SATA instead of a VirtIO disk)
2. power off VM host

Actual results:
- VM is hard powered-off
- No errors are reported

Expected results:
- VM should be gracefully powered-off
- Error about virsh managedsave should be reported

Additional info:
This seems to be a bug in Fedora 22 as well.
Comment 1 Fangge Jin 2016-01-21 01:01:32 EST
I can reproduce this:

1.Prepare a guest with sata controller:
<controller type='sata' index='0'>
   <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/>

2. Start libvirt-guests service:
# systemctl start libvirt-guests

3. start the guest(named rhel7.2)
4. Reboot host
5. After host boots, guest is started again
6. Check guest log:
# cat /var/log/libvirt/qemu/rhel7.2.log
qemu: terminating on signal 15 from pid 1
2016-01-19 06:26:42.288+0000: shutting down

From the qemu log, we can see the guest is killed by signal 15 from pid 1(systemd) when host shuts down

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