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From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Thu, 13 Jun 2024 09:17:24 -0700
Message-ID: <CAHk-=wjqHL7KjOWYBVKFewcKPWL7CJxddWfJnvL3AfOqfR8vMg@mail.gmail.com>
Subject: Re: Linux 6.10-rc1
To: Pavel Machek <pavel@ucw.cz>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Content-Type: text/plain; charset="UTF-8"

On Thu, 13 Jun 2024 at 04:09, Pavel Machek <pavel@ucw.cz> wrote:
>
> I tried ~6.10-rc1 for a week or so, and it something was very wrong with
> the performance, likely to do with graphics. Thinkpad X220.
>
> It looked like GPU is working way harder than usual, leading to
> machine overheating and thermal throttling, making machine _really_
> unusable.
>
> I went back to 6.9, and things seem better. At least "have to buy new
> machine" feeling is gone.
>
> Unfortunately, these GPU perfromance issues are not exactly to
> confirm/debug. Hints would be welcome.

Well, it sounds like it is a big enough performance issue that you can
definitely feel it fairly easily.

Which would make a bisection possible?

                 Linus