On 07/01/2019 13:56, Hans van Kranenburg wrote:
> On 1/7/19 1:04 PM, Juergen Gross wrote:
>> On 28/12/2018 15:41, Hans van Kranenburg wrote:
>>> On 12/28/18 11:15 AM, Juergen Gross wrote:
>>>
>>> [...]
>>> So that explains the 18446742891.874140 number, which just corresponds
>>> to something near to 'minus 23 minutes'.
>>
>> I have a local reproducer for the issue now: instead of using live
>> migration I'm just doing a "xl save" after the guest running for some
>> minutes. The I reboot the host and do a "xl restore" as soon as
>> possible.
>>
>> Another note: HVM domains (and probably PVH, too) show the huge time
>> info ("[18446742937.583537] ..."), while PV domains seem to show just
>> a small jump backwards in time:
>>
>> [ 224.719316] Freezing user space processes ... (elapsed 0.001 seconds)
>> done.
>> [ 224.720443] OOM killer disabled.
>> [ 224.720448] Freezing remaining freezable tasks ... (elapsed 0.001
>> seconds) done.
>> [ 224.721678] PM: freeze of devices complete after 0.107 msecs
>> [ 224.721687] suspending xenstore...
>> [ 224.721726] PM: late freeze of devices complete after 0.037 msecs
>> [ 224.736062] PM: noirq freeze of devices complete after 14.325 msecs
>> [ 224.736155] xen:grant_table: Grant tables using version 1 layout
>> [ 4.404026] Suspended for 187.219 seconds
>
> And if you cause a time difference that lets it go down below zero?
Oh yes, of course it will show the same symptoms. Silly me!
Juergen
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