Re: [linux-linus test] 183794: regressions - FAIL

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

On Mon, 20 Nov 2023, Juergen Gross wrote:
> On 20.11.23 03:21, osstest service owner wrote:
> > flight 183794 linux-linus real [real]
> > http://logs.test-lab.xenproject.org/osstest/logs/183794/
> > 
> > Regressions :-(
> > 
> > Tests which did not succeed and are blocking,
> > including tests which could not be run:
> >   test-arm64-arm64-examine      8 reboot                   fail REGR. vs.
> > 183766
> 
> I'm seeing the following in the serial log:
> 
> Nov 20 00:25:41.586712 [    0.567318] kernel BUG at
> arch/arm64/xen/../../arm/xen/enlighten.c:164!
> Nov 20 00:25:41.598711 [    0.574002] Internal error: Oops - BUG:
> 00000000f2000800 [#1] PREEMPT SMP
> 
> The related source code lines in the kernel are:
> 
> ········err = HYPERVISOR_vcpu_op(VCPUOP_register_vcpu_info, xen_vcpu_nr(cpu),
> ································ &info);
> ········BUG_ON(err);
> 
> I suspect commit 20f3b8eafe0ba to be the culprit.
> 
> Stefano, could you please have a look?

The original email somehow escaped my email filters and managed to skip
my inbox. Hence, this is the first time I am seeing this commit. Today I
ran out of time but I'll look at it tomorrow.