Re: Resend: Linux 4.11-rc7: kernel BUG at drivers/xen/events/events_base.c:1221

From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
To: Sander Eikelenboom <linux@eikelenboom.it>,
	Juergen Gross <jgross@suse.com>
Cc: xen-devel@lists.xen.org
Subject: Re: Resend: Linux 4.11-rc7: kernel BUG at drivers/xen/events/events_base.c:1221
Date: Mon, 24 Apr 2017 10:17:22 -0400	[thread overview]
Message-ID: <817555fb-c551-413d-3926-e86b69c20316@oracle.com> (raw)
In-Reply-To: <2dbeed46-7a4b-5b0b-3fd8-742357c89748@eikelenboom.it>

On 04/24/2017 06:06 AM, Sander Eikelenboom wrote:
> Resend: Sorry copy and pasted a wrong mailadress for the xen-devel list.
>
>
> Hi Boris / Juergen,
>
> This morning i got this dom0 kernel crash (it occurred sporadically
> before (during 4.11), but i didn't have serial console enabled at that
> time so i had no stacktrace, only sporadic reboots).
>
> It's running on an AMD phenom X6:
> Kernel 4.11.0-rc7 with as latest commit:
> 94836ecf1e7378b64d37624fbb81fe48fbd4c772.
> Xen-unstable with as latest commit:
> 94836ecf1e7378b64d37624fbb81fe48fbd4c772.
>
> If you need more info please ask, testing will be difficult as i don't
> have a clear testcase and
> it can also run for days without trouble.

Any cpu onlining/offlining during the test?

XEN_IRQ_WORK_VECTOR vector is allocated for all PV VCPUs in
xen_smp_intr_init() so it's somewhat odd that we fail to find it.

-boris

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