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


  • To: osstest service owner <osstest-admin@xxxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, Stefano Stabellini <sstabellini@xxxxxxxxxx>
  • From: Juergen Gross <jgross@xxxxxxxx>
  • Date: Mon, 20 Nov 2023 07:22:29 +0100
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  • Delivery-date: Mon, 20 Nov 2023 06:22:48 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

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?


Juergen

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