Gentoo Archives: gentoo-user

From: Grant <emailgrant@×××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Re: nouveau loads but freezes later, nvidia won't load
Date: Thu, 21 Oct 2010 01:08:09
Message-Id: AANLkTinBMH7yAr1HZh=bu8CJrLGxr62j-8JSXvp5YmSK@mail.gmail.com
In Reply to: [gentoo-user] Re: nouveau loads but freezes later, nvidia won't load by walt
1 >>>> I've been using the nouveau video driver for a while, but lately video
2 >>>> has been freezing with X at 100% CPU and the only way out seems to be
3 >>>> ssh'ing in and rebooting.
4 >>>
5 >>> Not that it will help with your bug, but I'm curious to know what video
6 >>> hardware you're using.  I had the same problem with my ancient nv34 card,
7 >>> which got fixed a few weeks ago in Linus's git kernel.
8 >>
9 >> I'm not sure of the actual chip, but I get this from lspci -v:
10 >>
11 >> nVidia Corporation C77 [GeForce 8100 / nForce 720a]
12 >>
13 >> It's an onboard chip on my motherboard.  Can you tell me in what
14 >> version of the Linux kernel you found the problem to be solved?
15 >
16 > In my particular case it was this commit, but I get the impression that
17 > there
18 > are still unfixed bugs that cause very similar symptoms:
19 >
20 > commit 3ba6462355c1c69dde58739a871d13bbb993e2e3
21 > Author: Francisco Jerez
22 > Date:   Sat Aug 28 17:56:33 2010 +0200
23 >
24 >    drm/nouveau: Take fence spinlock before reading the last sequence.
25 >
26 >    It fixes a race between the TTM delayed work queue and the GEM IOCTLs
27 >    (fdo bug 29583) uncovered by the BKL removal.
28 >
29 > That patch was made on Aug 28, so Linus probably committed it in early
30 > September, maybe 2.6.36-rc3 or thereabouts.
31 >
32 > If you're serious about testing the nouveau driver I suggest you try the
33 > latest nouveau kernel sources from here:
34 >
35 > git://anongit.freedesktop.org/git/nouveau/linux-2.6
36 >
37 > I just pulled the latest changes from that repository, approx 40 changesets,
38 > and not one of them applies to my poor old forgotten NV34 chip, so I'm
39 > losing
40 > interest in nouveau at this point.  But your hardware is much newer and it
41 > may
42 > be worth your while to test the latest changes.  It's certainly easy to do.
43
44 Thanks a lot Walt.
45
46 - Grant