Mailinglist Archive: opensuse-factory (468 mails)

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[opensuse-factory] kernel 5.6.0 / i915 framebuffer compression (was: New Tumbleweed snapshot 20200401 released!)
  • From: Achim Gratz <Stromeko@xxxxxxxx>
  • Date: Sun, 05 Apr 2020 10:10:28 +0200
  • Message-id: <87sghibbez.fsf@Rainer.invalid>
Dominique Leuenberger writes:
kernel-source (5.5.13 -> 5.6.0)

This update produces reams of these messages on my system:

Apr 05 09:17:36 Gertrud kernel: [drm] Reducing the compressed framebuffer size.
This may lead to less power savings than a non-reduced-size. Try to increase
stolen memory size if available in BIOS.

There is no BIOS setting I could change on my Dell T20 unfortunaltely.

I have already tried to set the kernel parameter i915.enable_fbc=0 (and
a parameter file in /etc/modprobe.d with the same settings), which does
result in a tainted kernel (so the setting should be active), but these
messages still continue at a high rate and the frambuffer compression
seems to be enabled anyway.

The 5.5.* kernels do not have this problem, this message never occurs

+<[Q+ Matrix-12 WAVE#46+305 Neuron microQkb Andromeda XTk Blofeld]>+

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