Comment 7 for bug 239564

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Bryce Harrington (bryce) wrote : Re: [PPC] [Hardy, radeon 9800 pro, power g5] totem, vlc hang playing movies using xv extension

I've cherrypicked a recent Xv fix from upstream, and built this deb for testing:

http://www.bryceharrington.org/ubuntu/Ati/
 xserver-xorg-video-ati_6.9.0+git20080826.a3cc1d7a-2ubuntu4~bwh2_i386.deb

I do not think it fixes this issue, since the issue it fixes is display corruption, not a kernel lockup. However it would be helpful to rule it out, if you wouldn't mind testing it?

You mentioned the kernel is hung when this happens - how are you determining this? If the kernel is hanging, we probably ought to refile this bug against 'linux' and ask ogasawara to look.

Tormod's suggestion of testing AGPMode settings is also a very good recommendation. That option takes values 1, 2, 4, 8. Checking with Option "AccelMethod" "EXA" would also be worthwhile, although I don't think we're ready to switch to EXA over XAA as the default for -ati yet, but if it solves the issue it would be good to know.