Mailinglist Archive: radeonhd (427 mails)

[Alex Deucher <alexdeucher@xxxxxxxxx>]

On Tue, May 19, 2009 at 9:39 AM, Darin McBride <dmcbride@xxxxxxxxxxxx> wrote:
> We've already seen reports of bad repainting which seems related to using Qt
> 4.5 which is, so they claim, stretching video drivers to the breaking point
> (i.e., finding bugs in video drivers).  I'm hoping that the devs can find 
> where
> this is happening because it's moderately annoying.  However, what I'm writing
> about here is worse.
>
> I'm running KDE 4.2.85 (the first beta) plus Qt 4.5.1.  On top of this, I use
> the x11 drm code from the r6xx-r7xx branch (as someone here helped me do a
> while ago - kernel 2.6.28) and the radeonhd driver from git.
>
> Understandably, kde has some, well, bugs.  Plasma crashes regularly and stuff
> like that.  However, when it does, it eventually restarts, and that's when I
> know my time is limited.  Shortly after the restart, my system locks up.
> Entirely.  I can't ssh in.  Existing ssh sessions are dead.  Nothing works.
>
> Now, I just can't wrap my head around how KDE could be causing this, other
> than a bug in the video driver, maybe (probably?) even the drm/radeon module
> in the kernel.  So, I'm coming to this list first.
>
> I have an HD3870 (RV670, I think), though I highly suspect that this isn't the
> issue and that it's actually just plain bugs related to the screen corruption
> bug that has already been seen.
>
> I'm attaching the Xorg log from the last hang.  Though I don't see anything
> wrong, I could be missing something.
>
> Note that the radeonhd driver I was running (assuming my logs are complete)
> was commit 23d25fe7ed0ad6d519672439484cb39653785848.  I have upgraded to
> d5844f5ba6708b186b2914ddc7cb39c3833570b8, though I doubt that the changes in
> the interim have made any difference.

Do either of the following options fix the corruption?
Option "EXANoDownloadFromScreen"
Option "EXANoUploadToScreen"

Alex
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