From mboxrd@z Thu Jan 1 00:00:00 1970 From: john@BlueSkyTours.com Subject: Re: Realtek RTL8111B serious performance issues Date: Thu, 19 Jul 2007 10:00:11 -0600 (MDT) Message-ID: References: <20070718072635.GA26243@electric-eye.fr.zoreil.com> <20070719004429.fc33c8a7.billfink@mindspring.com> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: netdev@vger.kernel.org To: Bill Fink Return-path: Received: from nat1.blueskytours.com ([12.96.192.180]:55224 "HELO volcano.blueskytours.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with SMTP id S1756631AbXGSQAO (ORCPT ); Thu, 19 Jul 2007 12:00:14 -0400 In-Reply-To: <20070719004429.fc33c8a7.billfink@mindspring.com> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Thu, 19 Jul 2007, Bill Fink wrote: > Hi John, > > On Wed, 18 Jul 2007, john@BlueSkyTours.com wrote: > >> On Wed, 18 Jul 2007, Francois Romieu wrote: >> >>> john@BlueSkyTours.com : >>> [...] >>>> Anyone have any suggestions for solving this problem? >>> >>> Try 2.6.23-rc1 when it is published or apply against 2.6.22 one of: >>> http://www.fr.zoreil.com/people/francois/misc/20070628-2.6.22-rc6-r8169-test.patch >> >> Unfortunately, the 20070628 patch did not make any difference. >> >> >>> http://www.fr.zoreil.com/linux/kernel/2.6.x/2.6.22-rc6/r8169-20070628/ >> >> >> I tried various patches from that directory (aren't most or all of them >> included in the 20070628 patch?), but none of them helped either. >> >> >> This problem could be very difficult to track down. Like I said, it >> definately effects emacs and firefox being "drawn" on a remote computer. >> Ping times, however, are not that bad: >> >> PING 192.168.26.150: 56 data bytes >> 64 bytes from dyn26-1.blueskytours.com (192.168.26.150): icmp_seq=0. time=0.287 ms >> 64 bytes from dyn26-1.blueskytours.com (192.168.26.150): icmp_seq=1. time=0.279 ms >> 64 bytes from dyn26-1.blueskytours.com (192.168.26.150): icmp_seq=2. time=0.196 ms >> 64 bytes from dyn26-1.blueskytours.com (192.168.26.150): icmp_seq=3. time=0.201 ms >> 64 bytes from dyn26-1.blueskytours.com (192.168.26.150): icmp_seq=4. time=0.159 ms >> 64 bytes from dyn26-1.blueskytours.com (192.168.26.150): icmp_seq=5. time=0.148 ms >> 64 bytes from dyn26-1.blueskytours.com (192.168.26.150): icmp_seq=6. time=0.150 ms >> >> Also, wget gets good throughput when retrieving files. >> >> It just seems to be X traffic which is extremely slow. Using the old >> Linksys 10/100 PCI NIC, emacs comes up virtually instantaneously. Using the >> integrated Realtek 8111B, emacs takes 10 seconds to draw. >> >> Thank you very much for trying to help. > > Any chance that the Realtek 8111B is sharing interrupts with another > device ("cat /proc/interrupts")? Perhaps it is, and the Linksys isn't, > which could explain the difference in behavior. Just something simple > to check and either rule in or out. Yes it was, however "fixing" that did not solve the problem. Thanks for the thought. John P.S. I did send the pcap files to Francois Romieu, but I did not CC the list because they were large.