From: Kim Phillips <kim.phillips@amd.com>
To: Thomas Zimmermann <tzimmermann@suse.de>,
airlied@redhat.com, daniel@ffwll.ch, ainux.wang@gmail.com
Cc: dri-devel@lists.freedesktop.org,
Chuck Lever III <chuck.lever@oracle.com>
Subject: Re: [PATCH] Revert "drm/ast: Zero is missing in detect function"
Date: Fri, 15 Oct 2021 14:27:41 -0500 [thread overview]
Message-ID: <bf0d8c37-188a-f49c-d0d2-eef3de366d78@amd.com> (raw)
In-Reply-To: <20211015072546.3705-1-tzimmermann@suse.de>
On 10/15/21 2:25 AM, Thomas Zimmermann wrote:
> Commit 572994bf18ff ("drm/ast: Zero is missing in detect function")
> prevents some systems from booting. Seen on Supermicro Super
> Server/X10SRL-F, BIOS 3.3 10/28/2020 . There's further a bug that
> results in
>
> KASAN: use-after-free in enqueue_timer+0x4f/0x1e0
>
> which is also triggered by commit
> 572994bf18ff ("drm/ast: Zero is missing in detect function").
That last statement is technically wrong. Like I said, in my
case [1], the bad commit is commit aae74ff9caa8 ("drm/ast:
Add detect function support")
Please revert aae74ff9caa8.
Thanks,
Kim
[1] https://www.spinics.net/lists/dri-devel/msg318039.html
prev parent reply other threads:[~2021-10-15 19:27 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-15 7:25 [PATCH] Revert "drm/ast: Zero is missing in detect function" Thomas Zimmermann
2021-10-15 19:27 ` Kim Phillips [this message]
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