Return-path: Received: from defaultvalue.org ([70.85.129.156]:54829 "EHLO defaultvalue.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752655Ab1FDUcN (ORCPT ); Sat, 4 Jun 2011 16:32:13 -0400 From: Rob Browning To: Larry Finger Cc: linux-wireless@vger.kernel.org Subject: Re: Slow receive with rtl8192cu (usb ew-7811Un) References: <87pqnl5i81.fsf@raven.defaultvalue.org> <4DD074E3.3090502@lwfinger.net> <87vcxbe5xz.fsf@trouble.defaultvalue.org> <4DD09C78.2010304@lwfinger.net> <8762pbkytq.fsf@trouble.defaultvalue.org> <4DD13EF0.2070803@lwfinger.net> <87iptaj8nf.fsf@trouble.defaultvalue.org> <87fwoehtd7.fsf@trouble.defaultvalue.org> Date: Sat, 04 Jun 2011 15:32:11 -0500 In-Reply-To: <87fwoehtd7.fsf@trouble.defaultvalue.org> (Rob Browning's message of "Mon, 16 May 2011 22:57:08 -0500") Message-ID: <874o45z6b8.fsf@raven.defaultvalue.org> (sfid-20110604_223218_458506_4D41E941) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-wireless-owner@vger.kernel.org List-ID: Rob Browning writes: > Rob Browning writes: > >> So that command ran at essentially the rates you report for 10-20 >> seconds. Then I killed it and tried another test I'd been using, which >> was to lftp to ftp.kernel.org and get -c linux-2.6.39-rc7.tar.bz2. That >> transfer started at a high rate, but settled fairly quickly at about >> 60KB/s. So I killed that transfer and restarted the wget, and it ran >> steadily at ~60KB/s. > > In case it helps, it also looks like the 60KB/s is an aggregate limit. > Once it gets into the "lower bandwidth" state, if I run multiple > transfers, the total won't go above that. As another data point, I just tested the same device on a second machine (a desktop), and saw the same behavior -- initially high transfer rates trailing off to about 60K/s. Thanks -- Rob Browning rlb @defaultvalue.org and @debian.org GPG as of 2002-11-03 14DD 432F AE39 534D B592 F9A0 25C8 D377 8C7E 73A4