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Re: Microcode SW error since Linux 6.5

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[CCing the regressions list]

On 25.09.23 21:03, Johannes Berg wrote:
> On Mon, 2023-09-25 at 14:39 -0400, Antoine Beaupré wrote:
>>> Did that patch help?
>>
>> I haven't tried, to be honest. It's been years since I compiled a
>> kernel, so I haven't actually seriously considered it. But I can
>> definitely put that on my list if it would be useful for you!
> Heh ok. Well we can also try it I guess. Or reason our way through it,
> but I'm pretty sure something like that should be done here.
> 
>>> Yes, you can ... but I mean, we still do want to consider this a bug, I
>>> think, since we explicitly built the thing to load the older firmware.
>>> It just gets _far_ less testing.
>>
>> Got it, happy to play guinea pig a little further if that's useful.
> Well you might want to go for the extra stability instead :-) I'm kind
> of thinking along the lines of "if you can download the next wifi
> firmware with the current one, that's probably good enough". :)

Well, that's not how Linus wants things to be, as due to this "no
regression" rule things should continue to work if people update the
kernel without updating linux-firmware (as also explained in
Documentation/driver-api/firmware/firmware-usage-guidelines.rst).

That's what I though when I saw that message initially, but I thought:
well, not worth a comment, the reporter apparently doesn't mind that
much. But since then I saw more and more reports that looked related to
my untrained eyes (and thus might not be related at all!).

https://bugzilla.kernel.org/show_bug.cgi?id=217894
https://bugzilla.kernel.org/show_bug.cgi?id=217894#c6 (same ticket)
https://bugzilla.kernel.org/show_bug.cgi?id=217963
https://lore.kernel.org/all/f6448719-14e2-4962-ac3d-1be3c19156ed@xxxxxxxxxxxxxxxx/

Gregory, Johannes, is there something wrong here with 6.5.y? If yes: is
anything already been done to improve the state of things?

Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)
--
Everything you wanna know about Linux kernel regression tracking:
https://linux-regtracking.leemhuis.info/about/#tldr
If I did something stupid, please tell me, as explained on that page.



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