[RFC/RFT] b43: A fix for DMA transmission sequence errors

Chris Vine chris at cvine.freeserve.co.uk
Wed Mar 20 12:10:49 EDT 2013


On Wed, 20 Mar 2013 16:04:29 +0100
ISE Development <isedev at gmail.com> wrote:

> On Wednesday 20 Mar 2013 09:53:28 Larry Finger wrote:
> > On 03/20/2013 06:26 AM, ISE Development wrote:
> > > Did you get a chance to validate this patch?
> > > 
> > > So far on my system, it has been running for over week without
> > > problems (over 15GB of traffic).
> > 
> > I have been using the patch, but I am testing rtlwifi drivers quite
> > heavily at the moment, thus b43 has had limited usage. In fact, I
> > was waiting to get a report from you before pushing the patch. It
> > is ready to go.
> > 
> > How frequently do you get the automatic reset?
> > 
> > Larry
> 
> At least 3 or 4 per second when exceeding 2Mbit/s, otherwise around
> 1-2 per 10 second interval. The card was literally unusable without
> the patch.

For me, much less.  At full speed, about one reset per 500MBytes.  In
fact, the resets seem to depend on the number of bytes passed rather
than the speed of itself.

Chris



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