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SubjectRe: NOHZ: local_softirq_pending 08
On Sun, Oct 11, 2009 at 6:08 PM, Johannes Berg
<> wrote:
> On Sun, 2009-10-11 at 17:52 +0800, Dave Young wrote:
>> With kernel 2.6.32-rc3-00052-g0eca52a I got following KERN_ERR
>> messages just while using firefox:
>> [  130.527399] NOHZ: local_softirq_pending 08
>> Any idea? or known issue?
> Are you using b43 (or wl12x1)? If so, it's a known issue, but the driver
> was recently left without an active maintainer in a brouhaha about a bug
> fix.

Yes, I'm using b43. I will test the patch you posted in another thread.

> Cf.
> Absent proof that mac80211 is safe to run with BHs enabled, the correct
> solution is disabling tasklets around the RX function, unlike all the
> proposed patches. However, Michael thinks it's such a bad solution that
> he has refused to implement it. So far, nobody has bothered to fix the
> drivers.
> FWIW, I believe the bug to be in b43 and wl12x1, and not as Michael
> thinks in the stack.
> johannes

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