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    SubjectRe: NOHZ: local_softirq_pending 08
    From
    On Sun, Oct 11, 2009 at 6:08 PM, Johannes Berg
    <johannes@sipsolutions.net> 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. http://thread.gmane.org/gmane.linux.kernel.wireless.general/39440
    >
    > 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
    >
    >



    --
    Regards
    dave
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