Bug#1022806: [SOLVED UPSTREAM?] linux-image-5.10.0-19-amd64: amggpu unbootable problem persists
Control: tags -1 + confirmed pending
Hi Cosimo,
On Fri, Nov 04, 2022 at 01:32:32AM +0100, Cosimo Agati wrote:
> I experienced this problem on a machine with the following
> hardware:
>
> CPU: AMD FX-8350 (8) @ 4.000GHz
> GPU: AMD ATI Radeon R7 370 / R9 270/370 OEM
>
> After bisecting from the 5.10.149 sources, I found that the commit
> responsible for this bug was
> 867b2b2b6802fb3995a0065fc39e0e7e20d8004d, corresponding to
> upstream commit 66f99628eb24409cb8feb5061f78283c8b65f820.
>
> This commit was reverted already on the 5.10 tree:
> https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.10.y&id=357db159e965efa6a0b7b6f9efa1c34bf876db2d
>
> Indeed, vanilla Linux 5.10.153, which contains this revert and
> which is the currently latest release in the 5.10 branch, seems to
> boot properly with the amdgpu driver.
>
> The Debian package linux-image-5.10.0-19-amd64 is built from
> sources corresponding to the upstream release 5.10.149, which did
> NOT contain the fix. This seems to explain why many people with
> AMD GPUs, myself included, were experiencing problems during boot.
>
> Since this problem seems to have been fixed upstream, I don’t
> think there is anything to do on the Debian side... except of
> course packaging the next linux-image package with a Linux source
> tree containing these fixes.
>
> I’m happy to provide more information about this if anyone deems
> it necessary.
Thanks for doing the bisec and confirming. The revert you mention
landed in 5.10.150. The fix will be in the next upload.
Regards,
Salvatore
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