Bug 1782741

Summary:	"Run Once" ignores the cluster bios setting
Product:	[oVirt] ovirt-engine	Reporter:	Michal Skrivanek <michal.skrivanek>
Component:	BLL.Virt	Assignee:	Liran Rotenberg <lrotenbe>
Status:	CLOSED DUPLICATE	QA Contact:	meital avital <mavital>
Severity:	high	Docs Contact:
Priority:	unspecified
Version:	4.4.0	CC:	bugs, rbarry
Target Milestone:	ovirt-4.4.0	Flags:	pm-rhel: ovirt-4.4+ rbarry: blocker?
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Hardware:	Unspecified
OS:	Unspecified
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Last Closed:	2020-01-29 15:36:29 UTC	Type:	Bug
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oVirt Team:	Virt	RHEL 7.3 requirements from Atomic Host:
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Description Michal Skrivanek 2019-12-12 09:25:11 UTC

create a q35+seabios cluster
create vm
run once, do not change anything other than attaching a CD and boot from it
run
power down
run again using the regular Run

fails to run, complaining on "bus must be 0 for ide controller"

The VM was created as i440fx during RunOnce, and then it fails when it start normally since the cluster setting will set the VM to q35
Same happens with RunOnce and checking "Rollback this configuration during reboots
", the VM fails to come up after a reboot.

Comment 1 Liran Rotenberg 2020-01-29 15:36:29 UTC

This is probably fixed in BZ 1770697.
I couldn't managed to reproduce after the first patch of the above bug went in.
Closing as a duplicate.

*** This bug has been marked as a duplicate of bug 1770697 ***