linux-kernel - Re: RIP: 0010:ahd_init.cold+0x96/0x98 [aic79xx]

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Date:   Fri, 8 Apr 2022 14:45:01 +0200
From:   Bruno Goncalves <bgoncalv@...hat.com>
To:     James Bottomley <James.Bottomley@...senpartnership.com>
Cc:     LKML <linux-kernel@...r.kernel.org>, linux-scsi@...r.kernel.org,
        CKI Project <cki-project@...hat.com>
Subject: Re: RIP: 0010:ahd_init.cold+0x96/0x98 [aic79xx] - 5.17.0

On Tue, Apr 5, 2022 at 5:33 PM James Bottomley
<James.Bottomley@...senpartnership.com> wrote:
>
> On Tue, 2022-04-05 at 09:14 +0200, Bruno Goncalves wrote:
> > Hello,
> >
> > We've been hitting the panic below when testing mainline kernel. More
> > logs can be found on [1] and CKI tracker [2].
>
> When was the last time this driver passed the test?  I'm asking because
> nothing significant has changed in this driver for a while and the
> trivial changes all seem to check out.

Hi James,

Sorry for the delay in replying to you. Do you think it could be some
patch from d51b1b33c51d147b757f042b4d336603b699f362 or
23d1dea55520c5cf89849279cd25de4da8392687 ?

I was able to reproduce it using the CKI kernel from d51b1b33, but not
from commit 2fce7ea0.

We don't have a kernel build for 23d1dea5, but if you want I can try
it next week.

Also, it seems I can only reproduce it on kernel build that adds some
debug flags when we build with selftests enabled.

kernel build: https://s3.us-east-1.amazonaws.com/arr-cki-prod-datawarehouse-public/datawarehouse-public/2022/03/23/499569088/build_x86_64_redhat:2242251830/kernel-mainline.kernel.org-x86_64-d51b1b33c51d147b757f042b4d336603b699f362.tar.gz
kernel config: https://s3.us-east-1.amazonaws.com/arr-cki-prod-datawarehouse-public/datawarehouse-public/2022/03/23/499569088/build_x86_64_redhat:2242251830/kernel-mainline.kernel.org-x86_64-d51b1b33c51d147b757f042b4d336603b699f362.config

Bruno


>
> James
>
>