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From:   Thomas Gleixner <tglx@linutronix.de>
To:     Marc Dionne <marc.c.dionne@gmail.com>
Cc:     Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        x86@kernel.org
Subject: Re: FreeNAS VM disk access errors, bisected to commit 6f1a4891a592
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Date:   Sat, 18 Apr 2020 11:44:55 +0200
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Marc,

Marc Dionne <marc.c.dionne@gmail.com> writes:
> On Fri, Apr 17, 2020 at 5:19 PM Thomas Gleixner <tglx@linutronix.de> wrote:
>> That makes me assume that the staged approach of changing affinity for
>> this non-maskable MSI mess makes your particular hypervisor unhappy.
>>
>> Are there any messages like this:
>>
>>  "do_IRQ: 0.83 No irq handler for vector"
>
> I haven't seen those although I only have a VNC console that scrolls
> by rather fast.
> I did see a report from someone running Ubuntu 18.04 which had this
> after the initial errors:
>
>   do_IRQ: 2.35 No irq handler for vector
>   ata1.00: revalidation failed (error=-5)

I expected that and it points to an issue on the HV side either in
affinity management or in the local APIC emulation. 

Thanks,

        tglx