From: Huang Rui <ray.huang@amd.com>
To: Bagas Sanjaya <bagasdotme@gmail.com>, Meng Li <li.meng@amd.com>,
Perry Yuan <Perry.Yuan@amd.com>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>,
Viresh Kumar <viresh.kumar@linaro.org>,
Michele Della Guardia <micheledellaguardia@yahoo.it>,
Linux Power Management <linux-pm@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Linux Regressions <regressions@lists.linux.dev>
Subject: Re: Fwd: Abnormal battery drain with kernel 6.5 (Ryzen 5500u)
Date: Fri, 8 Sep 2023 12:41:14 +0800 [thread overview]
Message-ID: <ZPql6tqBCnXJh64J@amd.com> (raw)
In-Reply-To: <bede02c1-ef90-8e30-aa8b-e6fae49a8ccf@gmail.com>
On Fri, Sep 01, 2023 at 05:42:22PM +0800, Bagas Sanjaya wrote:
> Hi,
>
> I notice a regression report on Bugzilla [1] that have been already handled
> there. Quoting from it:
>
> > After switching from 6.4.x kernel to 6.5 I experienced an abnormal battery drain since my laptop is actually never idle.
> > I accepted default CPUfreq to schedutil and AMD Processor P-State mode is 3 (active).
> >
> > I expected a different behaviour, but am I missing something?
> > In my boot configuration I had "amd_pstate.shared_mem=1" and tried to remove this switch, but did not affect my power consuption.
> >
> > Is there something changed from 6.4.x to 6.5 that requires a different configuration to get an optimal power consumption?
> >
> > Thanks a lot for your attention
>
> See Bugzilla for the full thread.
>
> Anyway, I'm adding it to regzbot:
>
> #regzbot introduced: v6.4..v6.5 https://bugzilla.kernel.org/show_bug.cgi?id=217853
>
+ Meng Li/Perry,
May we know which CPU type are you using? Try "lscpu"?
Thanks,
Ray
next prev parent reply other threads:[~2023-09-08 4:41 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-01 9:42 Fwd: Abnormal battery drain with kernel 6.5 (Ryzen 5500u) Bagas Sanjaya
2023-09-08 4:41 ` Huang Rui [this message]
2023-11-02 8:05 ` Bagas Sanjaya
2023-11-02 9:15 ` Mateusz Guzik
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