From: Johannes Berg <johannes@sipsolutions.net>
To: Stanislaw Gruszka <sgruszka@redhat.com>
Cc: Jorge Miguel <jmiggal@gmail.com>, linux-wireless@vger.kernel.org
Subject: Re: Setting my WiFi adhoc connection in power save mode
Date: Fri, 13 May 2011 14:45:51 +0200 [thread overview]
Message-ID: <1305290751.3487.33.camel@jlt3.sipsolutions.net> (raw)
In-Reply-To: <20110513123913.GD5516@redhat.com>
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
next prev parent reply other threads:[~2011-05-13 12:45 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-12 17:02 Setting my WiFi adhoc connection in power save mode Jorge Miguel
2011-05-13 11:50 ` Stanislaw Gruszka
2011-05-13 11:55 ` Johannes Berg
2011-05-13 12:22 ` Stanislaw Gruszka
2011-05-13 12:27 ` Johannes Berg
2011-05-13 12:39 ` Stanislaw Gruszka
2011-05-13 12:45 ` Johannes Berg [this message]
2011-05-13 21:15 ` Jorge Miguel
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