Messages in this thread | | | Date | Mon, 10 Nov 2003 04:21:38 -0800 | From | David Brownell <> | Subject | Re: kernel 2.6 : cdc_acm problem |
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>>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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