Re: Kernel Kernel bug caused by (cpufreq: mediatek: Refine mtk_cpufreq_voltage_tracking()) on Banana Pi R64 (MT7622) - Allen-KH Cheng (程冠勳)

From: "Allen-KH Cheng (程冠勳)" <Allen-KH.Cheng@mediatek.com>
To: "regressions@leemhuis.info" <regressions@leemhuis.info>,
	"viresh.kumar@linaro.org" <viresh.kumar@linaro.org>,
	"angelogioacchino.delregno@collabora.com"
	<angelogioacchino.delregno@collabora.com>
Cc: "linux-mediatek@lists.infradead.org"
	<linux-mediatek@lists.infradead.org>,
	"regressions@lists.linux.dev" <regressions@lists.linux.dev>,
	"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
	"vincent@systemli.org" <vincent@systemli.org>,
	"frank-w@public-files.de" <frank-w@public-files.de>,
	Project_Global_Chrome_Upstream_Group
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	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	"matthias.bgg@gmail.com" <matthias.bgg@gmail.com>,
	"Jia-wei Chang (張佳偉)" <Jia-wei.Chang@mediatek.com>,
	"Rex-BC Chen (陳柏辰)" <Rex-BC.Chen@mediatek.com>,
	"thomas.huehn@hs-nordhausen.de" <thomas.huehn@hs-nordhausen.de>,
	"daniel@makrotopia.org" <daniel@makrotopia.org>
Subject: Re: Kernel Kernel bug caused by (cpufreq: mediatek: Refine mtk_cpufreq_voltage_tracking()) on Banana Pi R64 (MT7622)
Date: Fri, 2 Dec 2022 09:43:24 +0000	[thread overview]
Message-ID: <b1822bbc3775730c4cedf9652323c7d72e663e4b.camel@mediatek.com> (raw)
In-Reply-To: <c76bd301-0e8d-2d2b-0d3e-a57ece9b496f@collabora.com>

Hi Angelo,

Jia-wei is working on this issue.

We will update progress ASAP.

Thanks,
Allen

On Fri, 2022-12-02 at 10:19 +0100, AngeloGioacchino Del Regno wrote:
> Il 02/12/22 09:57, AngeloGioacchino Del Regno ha scritto:
> > Il 02/12/22 06:27, Viresh Kumar ha scritto:
> > > On 01-12-22, 16:39, Thorsten Leemhuis wrote:
> > > > Thx for clarifying. And I noticed I made a mistake: I should
> > > > have
> > > > directed my earlier question wrt to any progress here more into
> > > > the
> > > > direction of Jia-Wei Chang (who authored 6a17b3876b) and Viresh
> > > > Kumar
> > > > (who committed it).
> > > 
> > > I was waiting for the platform maintainers to come up with a fix.
> > > I
> > > have sent a patch now to revert this, in-reply-to this thread.
> > > 
> > > Please confirm this is working fine. Thanks.
> > > 
> > 
> > Can you guys try this patch that I've sent a while ago?
> > 
> > 
https://lore.kernel.org/lkml/20220909093724.40078-1-angelogioacchino.delregno@collabora.com/T/#u
> > 
> > There were comments on it, but if that solves your issue I can push
> > a v2
> > to solve what was reported.
> > 
> > Regards,
> > Angelo
> 
> Wait, sorry, I've re-read the stacktrace and that won't help at all.
> MediaTek, can you please look at this issue?
> 
> Reverting the proposed commit will make MT8183 unstable.
> 
> 
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