linux-kernel - Re: 6.10/bisected/regression - commits bc87d666c05 and 6d4279cb99ac cause appearing green flashing bar on top of screen on Radeon 6900XT and 120Hz

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Message-ID: <af91ef9c-5050-4f16-898a-f0c02a293d3f@leemhuis.info>
Date: Tue, 9 Jul 2024 14:41:54 +0200
From: "Linux regression tracking (Thorsten Leemhuis)"
 <regressions@...mhuis.info>
To: Mikhail Gavrilov <mikhail.v.gavrilov@...il.com>,
 Rodrigo Siqueira Jordao <Rodrigo.Siqueira@....com>,
 Alex Deucher <alexdeucher@...il.com>
Cc: "Mahfooz, Hamza" <Hamza.Mahfooz@....com>,
 Linux regressions mailing list <regressions@...ts.linux.dev>,
 "Deucher, Alexander" <alexander.deucher@....com>,
 amd-gfx list <amd-gfx@...ts.freedesktop.org>,
 dri-devel <dri-devel@...ts.freedesktop.org>,
 Linux List Kernel Mailing <linux-kernel@...r.kernel.org>
Subject: Re: 6.10/bisected/regression - commits bc87d666c05 and 6d4279cb99ac
 cause appearing green flashing bar on top of screen on Radeon 6900XT and
 120Hz

On 30.06.24 01:18, Mikhail Gavrilov wrote:
> On Sat, Jun 29, 2024 at 9:46 PM Rodrigo Siqueira Jordao
> <Rodrigo.Siqueira@....com> wrote:
>>
>> I'm trying to reproduce this issue, but until now, I've been unable to
>> reproduce it. I tried some different scenarios with the following
>> components:
>>
>> 1. Displays: I tried with one and two displays
>>   - 4k@120 - DP && 4k@60 - HDMI
>>   - 4k@244 Oled - DP
>> 2. GPU: 7900XTX
> 
> The issue only reproduced with RDNA2 (6900XT)
> RDNA3 (7900XTX) is not affected.

Hmmm, again this looks stalled -- and the regression report is 6 weeks
old by now. :-/ Or was a solution found in between?

So I assume no solution will be ready in time for the 6.10 final? I also
assume a "simple" temporary revert is not a option or bears big risks?

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.

#regzbot poke