From mboxrd@z Thu Jan 1 00:00:00 1970 From: Florian Zwoch Subject: Re: 82540EM very slow on 2.6.0-test[45] Date: Sun, 14 Sep 2003 19:23:32 +0200 Sender: netdev-bounce@oss.sgi.com Message-ID: References: <20030910233512.GB18056@rushmore> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Return-path: To: netdev@oss.sgi.com In-Reply-To: <20030910233512.GB18056@rushmore> Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org rwhron@earthlink.net wrote: > ftp'ing a multi-megabyte file gives about 16-20k/second > throughput. I first noticed this on 2.6.0-test4, but > the slowness may have existed longer. The destination > machine was running Solaris 8. > same behaviour confimed here. test5 and test4 (can not confirm on earlier). both suffer from real bad network send performance on the 82540EM Gigabit Ethernet Controller (rev 02). i did not test ftp but scp suffers from exactly the same mentioned above. scp from this device resulted in about 80k/s to a local linux 2.4.x machine. scp to this device gives about 4.5mb/s. samba copy between the two machines is fast in both directions. irc dcc protocol stalls down to about 1k/s (host specific?). nothing has changed between a normal operating 2.4.20 kernel. i suppose something is broken atm. i did not set up any specific duplex mode, but it is detected as 100 mbps full duplex - as expected (like the 2.4 kernel). maybe someone can look into this? -- Florian Zwoch