On Sat, Apr 04, 2009 at 08:13:52PM -0400, Sanjoy Mahajan wrote:
I'm pretty certain that what you're seeing is already reported upstream:
https://bugs.freedesktop.org/show_bug.cgi?id=17805
I just read through that thread. It looks similar but I'm not too sure.
The reports there were of the whole display blanking for a (short)
while. Mine doesn't go blank. Instead a portion of it jitters rapidly
sideways, then recovers (all under 0.1 seconds). Seen out of the corner
of the eye, it looks like a flash.
I'm guessing that the exact behaviour is dependent on the display
hardware. I've seen the same problem manifest itself in slightly
different ways when I've had the same computer (with the same driver)
hooked up to a couple of different TV's via HDMI. Some react like the
HDMI cable had been physically disconnected and reconnected while at
least one TV never showed any (visible) problems at all...
I'll either wait for a new driver to make it into Debian unstable, or
compile 2.5.1 + patch myself. Is it reasonable to try the version in
'experimental'? That seems like it would be a big change to the xorg
file or package layout, so I was a bit worried about using those
packages.
I'm using the intel driver from the experimental repo on a system
otherwise using unstable without any ill effects. The problem is that
even the experimental version is too old (2.6.1). Upstream has had a
large number of bug fixes since then (most importantly to me - XV
tearing fixes and the sync fixes we're discussing right now), so I'm
hoping a more recent version will appear in experimental or unstable
soon.
--
David Härdeman
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