Re: [xen-unstable-smoke test] 159709: regressions - FAIL

[Jan Beulich <jbeulich@xxxxxxxx>]

On 26.02.2021 17:36, Andrew Cooper wrote:
> On 26/02/2021 16:34, osstest service owner wrote:
>> flight 159709 xen-unstable-smoke real [real]
>> flight 159713 xen-unstable-smoke real-retest [real]
>> http://logs.test-lab.xenproject.org/osstest/logs/159709/
>> http://logs.test-lab.xenproject.org/osstest/logs/159713/
>>
>> Regressions :-(
>>
>> Tests which did not succeed and are blocking,
>> including tests which could not be run:
>>  test-amd64-amd64-xl-qemuu-debianhvm-amd64 12 debian-hvm-install fail REGR. 
>> vs. 159704
> 
> Well - there's only one possibility here...
> 
>> commit 615367b5275a5b0123f1f1ee86c985fab234a5a4
>> Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
>> Date:   Thu Feb 25 16:54:17 2021 +0000
>>
>>     x86/dmop: Properly fail for PV guests
>>     
>>     The current code has an early exit for PV guests, but it returns 0 
>> having done
>>     nothing.
>>     
>>     Fixes: 524a98c2ac5 ("public / x86: introduce __HYPERCALL_dm_op...")
>>     Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
>>     Reviewed-by: Ian Jackson <iwj@xxxxxxxxxxxxxx>
>>     Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
>>     Release-Acked-by: Ian Jackson <iwj@xxxxxxxxxxxxxx>
> 
> which means we've something very wonky going on somewhere.

Or it's the heisenbug, and the next flight is going to be fine.
I've not spotted anything unusual in the logs so far.

Jan