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DateSun, 27 Jul 2008 08:35:21 +0200
FromIngo Molnar <>
SubjectRe: [PATCH] lost sysctl fix
* Ingo Molnar <mingo@elte.hu> wrote:

> 
> * Al Viro <viro@ZenIV.linux.org.uk> wrote:
> 
> > try_attach() should walk into the matching subdirectory, not the first one...
> > 
> > Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
> > ---
> > [and yes, that's what that crap had been]
> 
> does this explain the following crash -tip testing just triggered with 
> latest -git:
> 
> [   12.293289] calling  butterfly_init+0x0/0x14
> [   12.298036] BUG: unable to handle kernel NULL pointer dereference at 00000004
> [   12.302065] IP: [<c012c169>] __register_sysctl_paths+0x1af/0x253
> [   12.308058] *pdpt = 0000000000b81001 *pde = 0000000000000000 
> [   12.314809] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC

your patch fixes it.

Tested-by: Ingo Molnar <mingo@elte.hu>

	Ingo


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