possible i915kms regressions (moved from questions@)
Henry Hu
henry.hu.sh at gmail.com
Fri Apr 24 14:49:38 UTC 2015
On Fri, Apr 24, 2015 at 10:46 PM Joseph Mingrone <jrm at ftfl.ca> wrote:
> I originally described the problem of rising temperatures after
> upgrading 10-STABLE on a Lenovo X220 (Sandy Bridge) on questions@:
>
> https://lists.freebsd.org/pipermail/freebsd-questions/2015-April/265366.html
>
> Since the problem might be related to the graphics stack I've moved it
> here. How can I confirm the source of the problem? I don't see
> anything obvious in any logs.
>
Have you tried setting
drm.i915.enable_rc6=7
in /boot/loader.conf?
If you have it enabled, you would see
info: [drm] Enabling RC6 states: RC6 on, RC6p on, RC6pp on
in messages. It helped me reducing the GPU temperature.
>
> Joseph
>
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