Date: Fri, 05 Mar 2010 16:44:34 -0500 From: Joe Marcus Clarke <marcus@freebsd.org> To: current <current@freebsd.org> Subject: Re: Problem with new bwn driver on -CURRENT Message-ID: <4B917B42.1060900@freebsd.org> In-Reply-To: <20100305205349.GR1295@weongyo> References: <1267388668.39569.2410.camel@shumai.marcuscom.com> <20100301233706.GH1295@weongyo> <1267505443.35639.9.camel@shumai.marcuscom.com> <20100303220452.GL1295@weongyo> <4B8EE6B1.6030605@freebsd.org> <20100303231416.GN1295@weongyo> <1267679522.5324.20.camel@shumai.marcuscom.com> <20100305205349.GR1295@weongyo>
next in thread | previous in thread | raw e-mail | index | archive | help
On 3/5/10 3:53 PM, Weongyo Jeong wrote: > On Thu, Mar 04, 2010 at 12:12:02AM -0500, Joe Marcus Clarke wrote: >> On Wed, 2010-03-03 at 15:14 -0800, Weongyo Jeong wrote: >>>> When it occurs again, I will get you the details and the full dmesg. Do >>>> you want a verbose dmesg, or a standard one? >>> >>> I think a standard one is enough. Thank you. >> >> Here you go. This is on -CURRENT from about 30 minutes ago. Thanks for >> looking into this. >> >> http://www.marcuscom.com/downloads/salami.dmesg > > Thank you for dmesg. It looks using PIO mode is only a way to avoid > this problem. > > I looked sources and problems of other Broadcom wireless driver for LP > PHY users. They also encounters this issue and are trying to solve > this but no luck and no perfect patch until now. > > Recently AFAIK wireless-test git of linux adopted a patch `gracefully > convert DMA to PIO mode' to solve it. > > Additionally some guys tolds some success story when they disabled ACPI > but it looks it's not a perfect solution. > > IIRC you said PIO worked for association with your AP but no further > traffic. However I wonder that this is weird for me because paths of > sending management frames and sending data frames are same. Could you > please recheck whether PIO mode worked? I'll try to test PIO mode on my > environment again. I can absolutely confirm PIO mode does NOT work with my card. I tested on a clean power-up. The card associates, but does not pass any traffic. I do not see the same decryption messages that I do with DMA mode. Joe -- Joe Marcus Clarke FreeBSD GNOME Team :: gnome@FreeBSD.org FreeNode / #freebsd-gnome http://www.FreeBSD.org/gnome
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?4B917B42.1060900>