>>> On 01.04.16 at 15:36, <ian.jack...@eu.citrix.com> wrote:
> Jan Beulich writes ("Re: [Xen-devel] [xen-unstable test] 88047: regressions -
> FAIL"):
>> On 01.04.16 at 08:12, <osstest-ad...@xenproject.org> wrote:
>> > Tests which did not succeed and are blocking,
>> > including tests which could not be run:
>> > test-amd64-i386-libvirt-pair 21 guest-migrate/src_host/dst_host fail
>> > REGR. vs. 86491
>> > test-amd64-amd64-libvirt-pair 21 guest-migrate/src_host/dst_host fail
>> > REGR. vs. 86491
>>
>> Both say
>>
>> 2016-04-01 02:00:56 Z executing ssh ... root@172.16.144.20 virsh migrate
>> --live debian.guest.osstest xen+ssh://merlot1
>> error: Timed out during operation: cannot acquire state change lock
>>
>> and I didn't spot anything interesting in the serial logs. I can't
>> find the above error message anywhere in the tools, so I suspect
>> this is an osstest one. Does anyone have any idea of what's
>> going on/wrong here?
>
> That message is from libvirt. I don't know the exact situation.
>
> But we have seen other timeouts with merlot[01]. They seem to
> sometimes have weird stalls when running under Xen.
Might it be worth trying whether that's a deep C-state issue (by
temporarily limiting their use of deep C states)?
Jan
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