Radeon video corruption when switching to / from VT
alexdeucher at gmail.com
Mon Apr 28 07:35:15 PDT 2008
On Mon, Apr 28, 2008 at 4:11 AM, Daniel Kasak <dan at entropy.homelinux.org> wrote:
> Hi all.
> On my Radeon ( X700 Mobility ), I get a corrupted display about 50% of
> the time when switching to / from a VT. When it happens, I'll sometimes
> get a coloured ( often green ) display that fades towards white over a
> couple of seconds ( very strange effect ), or other times I'll get a
> static display with some rectangles and semi-random looking corruption,
> in a grey colour.
> To recover, I can switch to a console ( if I'm in X ), or switch to X
> ( if I'm at a console ). This will *usually* fix it.
> It's not a recent commit that did this. It's been happening for as long
> as I've had this laptop.
> Nothing appears in my dmesg output. Also nothing of note appears in my
> X log, but I'm attaching it here anyway. This particular log is from a
> session that gave me a corrupted display when restoring from
> hibernation ... a couple of times ( ie each time I restored from
> hiberation ).
> Since there's nothing useful in this log, what can I do to gather more
> info on what's going on?
Sounds like an issue with the LVDS power sequence. suspend/resume can
be problematic however. Is the problem just with suspend/resume or
any VT switch?
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