intel 855: crash after playing xv and vt switch - reg dumps
Peter Clifton
pcjc2 at cam.ac.uk
Mon Nov 5 03:55:42 PST 2007
On Sun, 2007-11-04 at 13:53 +0100, Willi Mann wrote:
> > Just for the sake of completeness this is bug:
> > https://bugs.freedesktop.org/show_bug.cgi?id=12356 for which there's a
> > patch available on the BTS. I didn't have the time yet to test, but I hope
> > to do shortly.
>
> Unfortunately, this patch does not help.
Thanks for letting us know. It does fix a blue-overlay followed by
lockup (/ hang?) on the 945GM with overlay video (forced as opposed to
textured video by an Ubuntu patch).
I posted against the 855 XV bug thinking that it was the same issue
being seen, but this might not have been the case.
Do your symptoms match those I described above? (When returning from VT,
the XV overlay window is blue for a couple of seconds, followed by a
lockup?)
There are some other bugs affecting VT switching on the 855 driver, do
you have any patches for those in your sources?
There is one attached to the end of this bug:
https://bugs.freedesktop.org/show_bug.cgi?id=12297
NB.. this doesn't fix all 855 crashes Ubuntu users saw, many found it
helped avoid crashes, but others still see crashes when closing their
laptop lid.
--
Peter Clifton
Electrical Engineering Division,
Engineering Department,
University of Cambridge,
9, JJ Thomson Avenue,
Cambridge
CB3 0FA
Tel: +44 (0)7729 980173 - (No signal in the lab!)
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