From: "Linux regression tracking (Thorsten Leemhuis)" <regressions@leemhuis.info>
To: AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
Bagas Sanjaya <bagasdotme@gmail.com>,
Tobias Dahms <dahms.tobias@web.de>,
Sean Wang <sean.wang@mediatek.com>
Cc: stable@vger.kernel.org, Pavel Machek <pavel@ucw.cz>,
Lee Jones <lee@kernel.org>, LKML <linux-kernel@vger.kernel.org>,
linux-leds@vger.kernel.org, linux-wireless@vger.kernel.org,
Linux regressions mailing list <regressions@lists.linux.dev>,
Matthias Brugger <matthias.bgg@gmail.com>
Subject: Re: kernel error at led trigger "phy0tpt"
Date: Mon, 17 Apr 2023 13:25:13 +0200 [thread overview]
Message-ID: <69602f1b-4afa-d864-b6d3-d8237f81a51d@leemhuis.info> (raw)
In-Reply-To: <8b07ead5-f105-da86-e7da-ee49616f7c1d@collabora.com>
[adding Matthias to the list of recipients, who back then applied to
culprit]
Hi, Thorsten here, the Linux kernel's regression tracker. Top-posting
for once, to make this easily accessible to everyone.
AngeloGioacchino, Has any progress been made to fix below regression? It
doesn't look like it from here, hence I wondered if it fall through the
cracks.
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
On 27.03.23 10:23, AngeloGioacchino Del Regno wrote:
> Il 26/03/23 15:23, Bagas Sanjaya ha scritto:
>> On 3/26/23 02:20, Tobias Dahms wrote:
>>> Hello,
>>>
>>> the bisection gives following result:
>>> --------------------------------------------------------------------
>>> 18c7deca2b812537aa4d928900e208710f1300aa is the first bad commit
>>> commit 18c7deca2b812537aa4d928900e208710f1300aa
>>> Author: AngeloGioacchino Del Regno
>>> <angelogioacchino.delregno@collabora.com>
>>> Date: Tue May 17 12:47:08 2022 +0200
>>>
>>> soc: mediatek: pwrap: Use readx_poll_timeout() instead of custom
>>> function
>>>
>>> Function pwrap_wait_for_state() is a function that polls an address
>>> through a helper function, but this is the very same operation that
>>> the readx_poll_timeout macro means to do.
>>> Convert all instances of calling pwrap_wait_for_state() to instead
>>> use the read_poll_timeout macro.
>>>
>>> Signed-off-by: AngeloGioacchino Del Regno
>>> <angelogioacchino.delregno@collabora.com>
>>> Reviewed-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
>>> Tested-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
>>> Link:
>>> https://lore.kernel.org/r/20220517104712.24579-2-angelogioacchino.delregno@collabora.com
>>> Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
>>>
>>> drivers/soc/mediatek/mtk-pmic-wrap.c | 60
>>> ++++++++++++++++++++----------------
>>> 1 file changed, 33 insertions(+), 27 deletions(-)
>>> --------------------------------------------------------------------
>>>
>>
>> OK, I'm updating the regression status:
>>
>> #regzbot introduced: 18c7deca2b8125
>>
>> And for replying, don't top-post, but rather reply inline with
>> appropriate context instead; hence I cut the replied context.
>>
>
> There are two possible solutions to that, specifically, either:
> 1. Change readx_poll_timeout() to readx_poll_timeout_atomic(); or
> 2. Fix the mt6323-led driver so that this operation gets done
> out of atomic context, which is IMO the option to prefer.
>
> Ideas?
>
> Regards,
> Angelo
>
>
next prev parent reply other threads:[~2023-04-17 11:25 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-20 19:44 kernel error at led trigger "phy0tpt" Tobias Dahms
2023-03-21 14:40 ` Linux regression tracking (Thorsten Leemhuis)
2023-03-21 20:22 ` Tobias Dahms
2023-03-22 16:59 ` Linux regression tracking (Thorsten Leemhuis)
2023-03-25 19:20 ` Tobias Dahms
2023-03-26 13:23 ` Bagas Sanjaya
2023-03-27 8:23 ` AngeloGioacchino Del Regno
2023-04-17 11:25 ` Linux regression tracking (Thorsten Leemhuis) [this message]
2023-05-22 8:17 ` Thorsten Leemhuis
2023-06-05 11:37 ` Thorsten Leemhuis
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