From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hubert Tonneau Subject: Re: 2.6.10 TCP troubles -- suggested patch Date: Sun, 13 Feb 2005 10:52:35 GMT Message-ID: <0528GVO12@server5.heliogroup.fr> Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Cc: Alexey Kuznetsov , rick.jones2@hp.com, shemminger@osdl.org, romieu@fr.zoreil.com, netdev@oss.sgi.com To: Alexey Kuznetsov , "David S. Miller" Sender: netdev-bounce@oss.sgi.com Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org Alexey Kuznetsov wrote: > > Exactly. That's why the next test should be with disabled TSO in 2.6.9. > If too rare PSHs were a problem, it will show as the same disaster there. After, ethtool -K eth1 tso off the result is unchanged on 2.6.9 (14 seconds for 105 MB). After, ethtool -K eth1 tso off the result is also unchanged on 2.6.10-ac11 with no extra TCP patch (325 seconds). Settings for eth1: Supported ports: [ TP ] Supported link modes: 10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full 1000baseT/Full Supports auto-negotiation: Yes Advertised link modes: 10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full 1000baseT/Full Advertised auto-negotiation: Yes Speed: 1000Mb/s Duplex: Full Port: Twisted Pair PHYAD: 0 Transceiver: internal Auto-negotiation: on Supports Wake-on: umbg Wake-on: g Current message level: 0x00000007 (7) Link detected: yes PS: Please sorry for the long delay I have to run tests, and the reason is that it's a production server, so I cannot make tests in the middle of the day, it's remote, so in order to switch the kernel, I have to upload the new one, and then upload again the old one to switch back, and the best connection I have these days is 30 Kbps modem connection. It will improve on monday since I'll have a 128 Kbps ADSL connection.