Re: Linux 2.6.28-rc7

From: Linus Torvalds
Date: Tue Dec 02 2008 - 11:14:32 EST

On Tue, 2 Dec 2008, Alejandro Riveira Fernández wrote:
> from my reply to pazke <pazke@xxxxxxxxxxxxxxx>
> "
> I took the sanpshot of the dmesg after loading the module if my word is not
> enough i can reboot with the module disabled but i do not see the point...
> The truth is that the bug prevented me from loading/installing the nvidia
> module becouse i could not use sudo. Only when i rebooted into single mode
> where the problems went away i could build and install the module...

Ahh, ok. I did wonder if something was up from the timing (ie it was
loaded almost two minutes after bootup).

Since you are apparently a git user, and 2.6.28-rc6-00007-ged31348 was
fine, there's really only 270 commits in between that and 2.6.28-rc7. Can
I ask you to bisect for a couple of runs, which would cut it down to a
handful? (Ie you don't even need to do a full bisect, although that should
really only require about 8 reboots).

Just do

git bisect start
git bisect bad v2.6.27
git bisect good v2.6.28-rc6-00007-ged31348

and off you go. That would help enormously.

There are very few console-related changes in that range, and the most
notably one is actually radeon-specific so it shouldn't be an issue for
you. I'd _suspect_ bca404afdc5206c3bb30168315ee8a98a579ec65 ("fbdev: fix
FB console blanking"), but quite frankly, it could be something random
that just interacted badly. A bisection would narrow things down.

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