On Sun, Feb 9, 2014 at 5:08 PM, Rafał Miłecki <zajec5@xxxxxxxxx> wrote: > Hi guys, > > Last week I've switched from my old & good 3.4.63 to 3.14-rc1 and > noticed nasty display corruptions when using nouveau. It seems that > changing parts of the screen are appearing for a fraction of second in > random places. I've recorded this behavior: > http://www.youtube.com/watch?v=IEq7JzGVzj0 > > My hardware is some old motherboard with > 00:05.0 VGA compatible controller [0300]: NVIDIA Corporation C51G > [GeForce 6100] [10de:0242] (rev a2) > integrated. Since my CPU is ancient AMD Sempron(tm) Processor 2800+ it > took me few days to track this issue. > > There goes some summary of various kernels: > > 1) 3.4.63 > No display problems. Works great. > > 2) commit 928c2f0c006bf7f381f58af2b2786d2a858ae311 > drm/fb-helper: don't sleep for screen unblank when an oops is in progress > Scrollbars have a pink line. I didn't track which commit introduced > this pink corruption. No other problems. > > 3) commit c21eb21cb50d58e7cbdcb8b9e7ff68b85cfa5095 > Revert "drm: mark context support as a legacy subsystem" > This fixes pink lines on scrollbars and introduces this nasty display > corruption. It's one commit after previous one. > It means it's the first bad commit for these nasty corruptions recoded > and uploaded to YouTube. > > 4) 3.14-rc1 > No changes since c21eb21cb50d58e7cbdcb8b9e7ff68b85cfa5095. No pink > lines, but display corruptions happening. Can you boot with nouveau.config=NvMSI=0 ? If that helps, there are some patches on the nouveau/dri-devel lists (search for "nv4c") that may help you. -ilia _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
