Re: commit 66c1ca breaks fbdev mode switching

[Andrea Righi]

On Mon, Apr 06, 2009 at 08:47:18PM +0200, Krzysztof Helt wrote:
> Hi,
> 
> The commit 66c1ca breaks fbdev mode switching. The first mode
> (selected with mode_option or during boot) is ok but every mode
> switch with fbset locks up computer. If the commit is reverted
> mode switching works correctly.
> 
> I do not understand why. I would be grateful if someone else
> can confirm the problem as well.
> 
> The commit's details are:
> 
> commit 66c1ca019078220dc1bf968f2bb18421100ef147
> Author: Andrea Righi <righi.andrea@xxxxxxxxx>
> Date:   Tue Mar 31 15:25:18 2009 -0700
> 
>     fbmem: fix fb_info->lock and mm->mmap_sem circular locking dependency
>     
> 
> Regards,
> Krzysztof

Any lockdep info or oops? it just locks up the system?

Thanks,
-Andrea
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