[Bug 49193] random screen blackouts

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Apr 26 14:48:13 PDT 2012


--- Comment #1 from Alex Deucher <agd5f at yahoo.com> 2012-04-26 14:48:13 PDT ---
Sounds like underflow to the display controller.  Also 1920x1080 is probably a
bit much for the TMDS transmitter on the rv280; it's pretty close to the hw
limits of the card on a number of fronts.  You might need to use a mode with a
lower clock.  Does booting with radeon.disp_priority=2 on the kernel command
line in grub help?

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