Return-path: Received: from col0-omc4-s4.col0.hotmail.com ([65.55.34.206]:34698 "EHLO col0-omc4-s4.col0.hotmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752391AbZCPPEH convert rfc822-to-8bit (ORCPT ); Mon, 16 Mar 2009 11:04:07 -0400 Message-ID: (sfid-20090316_160410_610221_2DFA95B0) From: Adrian Bassett To: CC: Subject: RE: rtl8180 Bit Rate regression in 2.6.29 Date: Mon, 16 Mar 2009 15:04:06 +0000 In-Reply-To: <49BE64CF.8020407@lwfinger.net> References: <49BE64CF.8020407@lwfinger.net> Content-Type: text/plain; charset=Windows-1252 MIME-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: Thanks for the quick response. I already use git and kernel source from kernel.org so I'll branch out,= follow the bisect instructions in git man/docs, and see what I can com= e up with ... Adrian Bassett > Date: Mon, 16 Mar 2009 09:40:15 -0500 > From: Larry.Finger@lwfinger.net > To: adrian.bassett@hotmail.co.uk > CC: linux-wireless@vger.kernel.org > Subject: Re: rtl8180 Bit Rate regression in 2.6.29 >=20 > Adrian Bassett wrote: >>=20 >> (I'm not currently subscribed so please Cc: in any response ...) >>=20 >> Using PCI device 1799:700f and the rtl8180 kernel wireless driver. >>=20 >> With the vanilla 2.6.29-rc releases (rc8 most recently but also with= predecessors) I've noticed that the Bit Rate of my wireless device app= ears to be more or less fixed at 1 Mb/s. Occasionally, iwconfig report= s higher values but, as the stats below show, no attempts are successfu= l at higher Bit Rates with this kernel version. >>=20 >> With the 2.6.28 series, however, the Bit Rate will vary in the norma= l way, with the majority of the network activity happening at the highe= r end, if not the highest(54 Mb /s) point, of the range supported by th= is device. >=20 > It would be immensely helpful if you, or someone else with this hardw= are and the > problem, could use git to download the mainline tree and find the bad= commit > using bisection. In a review of the commit log, I found only one chan= ge in the > rtl8180 code in the 2.6.28 to 2.6.29-rcX range, and without it the rt= l8180 would > not work at all. As a result, I cannot suggest a trial patch. >=20 > My system says that there are 6172 commits between 2.6.29-rc8 and 2.6= =2E28, thus > it will take roughly 13 kernel builds to bisect the problem. >=20 > Larry _________________________________________________________________ View your Twitter and Flickr updates from one place =96 Learn more! http://clk.atdmt.com/UKM/go/137984870/direct/01/-- To unsubscribe from this list: send the line "unsubscribe linux-wireles= s" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html