>>>> I've been using the nouveau video driver for a while, but lately video >>>> has been freezing with X at 100% CPU and the only way out seems to be >>>> ssh'ing in and rebooting. >>> >>> Not that it will help with your bug, but I'm curious to know what video >>> hardware you're using. I had the same problem with my ancient nv34 card, >>> which got fixed a few weeks ago in Linus's git kernel. >> >> I'm not sure of the actual chip, but I get this from lspci -v: >> >> nVidia Corporation C77 [GeForce 8100 / nForce 720a] >> >> It's an onboard chip on my motherboard. Can you tell me in what >> version of the Linux kernel you found the problem to be solved? > > In my particular case it was this commit, but I get the impression that > there > are still unfixed bugs that cause very similar symptoms: > > commit 3ba6462355c1c69dde58739a871d13bbb993e2e3 > Author: Francisco Jerez > Date: Sat Aug 28 17:56:33 2010 +0200 > > drm/nouveau: Take fence spinlock before reading the last sequence. > > It fixes a race between the TTM delayed work queue and the GEM IOCTLs > (fdo bug 29583) uncovered by the BKL removal. > > That patch was made on Aug 28, so Linus probably committed it in early > September, maybe 2.6.36-rc3 or thereabouts. > > If you're serious about testing the nouveau driver I suggest you try the > latest nouveau kernel sources from here: > > git://anongit.freedesktop.org/git/nouveau/linux-2.6 > > I just pulled the latest changes from that repository, approx 40 changesets, > and not one of them applies to my poor old forgotten NV34 chip, so I'm > losing > interest in nouveau at this point. But your hardware is much newer and it > may > be worth your while to test the latest changes. It's certainly easy to do.
Thanks a lot Walt. - Grant
