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SubjectRe: [crash] BUG: unable to handle kernel NULL pointer dereference at 0000000000000370
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From: Ingo Molnar <mingo@elte.hu>
Date: Mon, 21 Jul 2008 17:04:48 +0200

[ Adding linux-wireless CC, again, Ingo please retain it for
followups, thanks! ]

> * Ingo Molnar <mingo@elte.hu> wrote:
>
> > > Pid: 1, comm: swapper Not tainted 2.6.26-tip-00013-g6de15c6-dirty #21290
> >
> > some more information: find below the same crash with vanilla
> > linus/master and no extra patches. The crash site is:
>
> a 32-bit testbox just triggered the same crash too:
>
> calling init_mac80211_hwsim+0x0/0x310
> mac80211_hwsim: Initializing radio 0
> phy0: Failed to select rate control algorithm
> phy0: Failed to initialize rate control algorithm
> mac80211_hwsim: ieee80211_register_hw failed (-2)
> BUG: unable to handle kernel NULL pointer dereference at 00000298
> IP: [<c06efb98>] rollback_registered+0x28/0x120
> *pdpt = 0000000000bc9001 *pde = 0000000000000000
> Oops: 0000 [#1] PREEMPT SMP
>
> and that system has no wireless so i guess it's just some unregister
> inbalance kind of init/deinit buglet.
>
> Ingo
> --
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