linux-kernel - RE: [PATCH v4 0/2] cpufreq: intel_pstate: Implement passive mode with HWP enabled

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Message-ID: <000301d668d5$45c10a10$d1431e30$@net>
Date:   Sun, 2 Aug 2020 07:00:22 -0700
From:   "Doug Smythies" <dsmythies@...us.net>
To:     "'Srinivas Pandruvada'" <srinivas.pandruvada@...ux.intel.com>
Cc:     "'Linux Documentation'" <linux-doc@...r.kernel.org>,
        "'LKML'" <linux-kernel@...r.kernel.org>,
        "'Peter Zijlstra'" <peterz@...radead.org>,
        "'Giovanni Gherdovich'" <ggherdovich@...e.cz>,
        "'Francisco Jerez'" <francisco.jerez.plata@...el.com>,
        "'Linux PM'" <linux-pm@...r.kernel.org>,
        "'Rafael J. Wysocki'" <rjw@...ysocki.net>
Subject: RE: [PATCH v4 0/2] cpufreq: intel_pstate: Implement passive mode with HWP enabled

On 2020.08.01 09:40 Srinivas Pandruvada wrote:
>> On Monday, July 27, 2020 5:13:40 PM CEST Rafael J. Wysocki wrote:
>>> On Thursday, July 16, 2020 7:37:04 PM CEST Rafael J. Wysocki wrote:
>>>> This really is a v2 of this patch:
>>>>
>>>> https://patchwork.kernel.org/patch/11663271/
>>>>
>>>> with an extra preceding cleanup patch to avoid making unrelated
>>>> changes in the
>>>> [2/2].
>>>
> I applied this series along with
> [PATCH] cpufreq: intel_pstate: Fix EPP setting via sysfs in active mode
> on 5.8 latest master (On top of raw epp patchset).

Hi Srinivas,

Would you be kind enough to provide a "git log --oneline" output
of what you did.

I have been trying unsuccessfully to apply the patches,
so somewhere I obviously missed something.

> When intel_pstate=passive from kernel command line then it is fine, no
> crash. But switch dynamically, crashed:

I'll try to repeat, if I can get an actual kernel.

> Attached crash.txt. I may need to try your linux-pm tree.

I also tried the linux-pm tree, same.

... Doug