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Subject: Re: Setting my WiFi adhoc connection in power save mode
From: Johannes Berg <johannes@sipsolutions.net>
To: Stanislaw Gruszka <sgruszka@redhat.com>
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Date: Fri, 13 May 2011 14:45:51 +0200
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On Fri, 2011-05-13 at 14:39 +0200, Stanislaw Gruszka wrote:

> > I doubt it, iirc it was just some DMA issue that was discovered at some
> > point and nobody could really pinpoint it. Those old devices stored some
> > internal data into a host memory buffer, and reading them back sometimes
> > corrupted them.
> 
> Ok, so I will probably not try to reenable PS (as long someone clearly
> state that it works in the past, and this is a regression).

Well, problem is that it _did_ work for some people, since it seemed to
depend on the platform. I don't remember all the details though.

> Does this problem happen on both 4965 and 3945 ?

I'm not sure on 3945. ISTR there was an issue, but I don't know if it
was the same one.

johannes