Bug 36330 - 2.6.38 kernel fails to boot with nouveau driver active
Summary: 2.6.38 kernel fails to boot with nouveau driver active
Status: RESOLVED DUPLICATE of bug 35374
Alias: None
Product: xorg
Classification: Unclassified
Component: Driver/nouveau (show other bugs)
Version: unspecified
Hardware: x86-64 (AMD64) Linux (All)
: medium normal
Assignee: Nouveau Project
QA Contact: Xorg Project Team
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2011-04-17 13:28 UTC by ghutzl
Modified: 2011-04-22 07:37 UTC (History)
0 users

See Also:
i915 platform:
i915 features:


Attachments
my kernel config for a 2.6.38.2 vanilla kernel (74.55 KB, text/plain)
2011-04-17 13:28 UTC, ghutzl
no flags Details

Description ghutzl 2011-04-17 13:28:16 UTC
Created attachment 45742 [details]
my kernel config for a 2.6.38.2 vanilla kernel

Hello!

My 2.6.38 kernel fails to boot when using the nouveau driver. See these pictures of the kernel output while booting:

http://tinypic.com/r/xefq6e/7
http://tinypic.com/r/2w5kc8w/7
http://tinypic.com/r/30wmlmv/7

I made 3 pictures because I wanted to show the effect of the "shifted" text in the fullscreen picture where you can barely read the text. The other two pictures show the text.

I am running gentoo linux and I used kernel 2.6.37 for quite a while with no problems but was not able to produce a working 2.6.38 kernel. I have tried the gentoo-sources-2.6.38-r1 and also a vanilla 2.6.38.2 kernel and the behaviour is the same for both. I have attached my kernel config.
Comment 1 ghutzl 2011-04-17 13:50:00 UTC
Looks like I found the culprit:

In a desperate attempt I have deactivated the boot logo display in my kernel and now it boots with no problems.

Please tell me if and how I can help debugging this. For the moment I can perfectly live without the boot logo but I would like to contribute something to nouveau development if I can.
Comment 2 Marcin Slusarz 2011-04-17 14:28:27 UTC
This is probably the same bug which was reported recently:
https://lkml.org/lkml/2011/4/15/27
https://bugs.freedesktop.org/show_bug.cgi?id=36248
Comment 3 Marcin Slusarz 2011-04-22 07:37:10 UTC
Yes, it's the same bug and it's fixed by commit a18d89ca026140eb8ac4459bf70a01c571dd9a32 "drm/nouveau: fix
notifier memory corruption bug" (after 2.6.39-rc4).

It will soon go to 2.6.38-stable.

If you are impatient, you can apply it manually from: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff_plain;h=a18d89ca026140eb8ac4459bf70a01c571dd9a32

*** This bug has been marked as a duplicate of bug 35374 ***


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