On Sat, 23 Jul 2011 00:23:36 +0400, Kirill Smelkov wrote: > What kind of a workaround are you talking about? Just reverting the commit -- that makes your machine work, even if it's wrong for other machines. > Sorry, to me it all looked like "UMS is being ignored forever". You're right, of course -- UMS is a huge wart on the kernel driver at this point, keeping it working while also adding new functionality continues to cause challenges. We tend to expect that most people will run reasonably contemporaneous kernel and user space code, and so three years after the switch, it continues to surprise us when someone actually tries UMS. > I'm out of office till ~ next week's tuesday, and on return I'll try > to test it on the hardware in question. Let me know; I've pushed this patch to my drm-intel-fixes tree on kernel.org in the meantime; if it does solve the problem, I'd like to add your Tested-by: line. -- keith.packard@intel.com