Re: [Xen-devel] [xen-unstable test] 62968: regressions - FAIL

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 15/10/15 16:26, Wei Liu wrote:
> On Thu, Oct 15, 2015 at 04:21:02PM +0100, Wei Liu wrote:
>> On Thu, Oct 15, 2015 at 02:45:47PM +0000, osstest service owner wrote:
>>> flight 62968 xen-unstable real [real]
>>> http://logs.test-lab.xenproject.org/osstest/logs/62968/
>>>
>>> Regressions :-(
>>>
>>> Tests which did not succeed and are blocking,
>>> including tests which could not be run:
>>>  test-amd64-i386-xl-qemuu-debianhvm-amd64-xsm 9 debian-hvm-install fail 
>>> REGR. vs. 62711
>> Oct 15 02:59:53.981151 (d1) [    0.000000] console [tty0] enabled
>> Oct 15 02:59:53.981213 (d1) [    0.000000] console [hvc0] enabled
>> Oct 15 02:59:53.989101 (d1) [    0.000000] bootconsole [xenboot0] disabled
>> Oct 15 02:59:53.989168 (XEN) traps.c:3287: GPF (0000): ffff82d080195e22 -> 
>> ffff82d080244d91
>>
>> Don't know what to make of this.
>>
> According to
> http://logs.test-lab.xenproject.org/osstest/results/history/test-amd64-i386-xl-qemuu-debianhvm-amd64-xsm/xen-unstable
>
> This failure is the first of its kind in xen-unstable flight.
>
> According to
> http://logs.test-lab.xenproject.org/osstest/results/history/test-amd64-i386-xl-qemuu-debianhvm-amd64-xsm/ALL
>
> There were similar errors in other branches, but the actual symptom is
> different -- there was no sign of GP fault.

Do you have the debug hypervisor to hand?  `addr2line -e xen-syms
ffff82d080195e22` will give you some clues.

This was a #GP fault which had a extable entry for it, which means it
was expected to possibly fault.  At a complete guess, possibly an rdmsr
emulation for a PV guest.

~Andrew

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