linux-kernel - Re: [GIT PULL] firewire fixes for v6.7-rc4

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Message-ID: <b228d624-41b3-417c-b25d-aa9c3818b500@leemhuis.info>
Date:   Sat, 2 Dec 2023 09:32:58 +0100
From:   "Linux regression tracking (Thorsten Leemhuis)" 
        <regressions@...mhuis.info>
To:     Takashi Sakamoto <o-takashi@...amocchi.jp>,
        torvalds@...ux-foundation.org, linux-kernel@...r.kernel.org
Cc:     Linux kernel regressions list <regressions@...ts.linux.dev>
Subject: Re: [GIT PULL] firewire fixes for v6.7-rc4

On 02.12.23 09:06, Takashi Sakamoto wrote:
> 
> As I noted in pull request for v6.7[1], Linux FireWire subsystem still
> has an issue of unexpected system reboot in AMD Ryzen machine with a
> kind of PCI card. Recently I got a help of AMD developer[2] and got some
> advices to investigate the mechanism of system reboot, but never catch
> its tail yet... I wish to fix it within the development period for v6.8
> kernel.
>
> 
> [1] https://lore.kernel.org/lkml/20231105144852.GA165906@workstation.local/
> [2] https://lore.kernel.org/lkml/20231128052429.GA25379@workstation.local/

Thx for your efforts on this, much appreciated. It seems more than just
one or two users are hitting this crash and a fix despite all your
tremendous efforts it not yet in sight. Hence please allow me to ask:
would it cause a significant regression for users of 6.5 and later, if
we'd temporarily revert the culprit and anything depending on it until
this is solved? Because if not I wonder if we should go down that route,
even if it's a drastic measure; but then Greg could fix this in soon in
6.6.y as well.

Ciao, Thorsten