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SubjectRe: kernel 2.6 : cdc_acm problem
>>The problem is that cdc_acm calls a "softirq-only" routine
>>in a hardirq context. See this patch:
>>
>>http://marc.theaimsgroup.com/?l=linux-usb-devel&m=106764585001038&w=2
>>
>>It's not clear that'll make it into 2.6.0-final.
>
>
> I've not planned to submit it for 2.6.0 as it's a relativly big change,
> and I don't have the hardware to test it out. Anyone have any other
> thoughts about this?

Doesn't seem big to me. It could be shrunk a smidgeon, but
that's the version that's gotten the positive test results.

The folk who have this kind of hardware have reported this
happening for quite a few months now, and it does seem to
fill up log buffers with catastrophic-seeming stack traces.

Colin, does it fix your problem? Can you eke more than
twenty minutes from your laptop battery now? :)

- Dave

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