Re: lock-up with module: Optimize __module_address() using a latched RB-tree

[Peter Zijlstra]

On Wed, Jul 08, 2015 at 06:01:29PM +0930, Arthur Marsh wrote:
> 
> 
> Peter Zijlstra wrote on 08/07/15 07:41:
> >On Tue, Jul 07, 2015 at 11:56:20PM +0200, Peter Zijlstra wrote:
> 
> >Could you try the below? It appears there was a spot freeing modules
> >that forgot to take them out of the tree.
> >
> >If that fails, try and disable CONFIG_MODULE_UNLOAD.
> 
> I tried the patch below, re-built and installed and booted the kernel and
> saw:
> 
> http://www.users.on.net/~arthur.marsh/20150708471.jpg
> http://www.users.on.net/~arthur.marsh/20150708472.jpg

Ah, that's a lockdep splat, caused by Mathieu's patch. Did the system
boot otherwise?

Maybe take that patch from Mathieu out again.
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