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SubjectRe: soft lockup apparently in ath5k_hw_update_mib_counters (or ioread32?) with 2.6.29
On Sun, Mar 29, 2009 at 5:37 AM, Michael Tokarev <> wrote:
> Paul Collins wrote:
>> Jiri Slaby <> writes:
>>> On 03/29/2009 08:20 AM, Paul Collins wrote:
>>>> After about two days of uptime with 2.6.29 I got this:
>>>> BUG: soft lockup - CPU#0 stuck for 61s! [swapper:0]
>>> Huh. I see no reason for this to happen. I suppose this is a regression,
>>> which kernel worked?
>> I had a previous instance of the problem with v2.6.29-rc8 after about
>> six days of uptime.  The kernel before that was 2.6.29-rc7ish, ran OK
>> for a couple of days.  But since I don't know how to reproduce it
>> reliably it's hard to say which kernel is truly good.

I think it's just an interrupt storm because we don't reset MIB
interrupts properly (I think not all devices are read-and-clear). I
already have a patch in wireless-testing to turn off MIB interrupts until
ANI is working and I CCed stable on it.

Bob Copeland %%
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