On Wed, 14 Feb 2007 22:35:42 +0200 (EET) "Eero Volotinen" <eero.volotinen@xxxxxxxxxxx> wrote: > Well, I have somekind of nasty problem on sun fire x2100 server. > > Performance it so poor that it is unusable for any kind of filetransfer, > about 1/10 of speed is archieved. > > for example transferring files from ftp.funet.fi/dev > > lftp ftp.funet.fi:/dev> mget 1GBnull > `1GBnull' at 3097136 (0%) 268.1K/s eta:65m [Receiving data] > > and on other machine on same network: > > ftp ftp.funet.fi:/dev> mget 1GBnull > `1GBnull' at 28320240 (2%) 1.26M/s eta:13m [Receiving data] > > I have tested this issue on two sun fire x2100 series, so I can think that > issue > is not failty network card, but this sounds like bug network driver on > x86_64? > How to resolve this? > > card is : > > eth0: Tigon3 [partno(BCM95721) rev 4101 PHY(5750)] (PCI Express) > 10/100/1000Base-T Ethernet 00:e0:81:5e:4a:94 > eth0: RXcsums[1] LinkChgREG[0] MIirq[0] ASF[1] Split[0] WireSpeed[1] > TSOcap[1] > eth0: dma_rwctrl[76180000] dma_mask[64-bit] > tg3: eth0: Link is up at 100 Mbps, full duplex. > tg3: eth0: Flow control is off for TX and off for RX. > > and kernel: > Linux y 2.6.20-gentoo #3 Mon Feb 12 19:16:29 EET 2007 x86_64 AMD > Opteron(tm) Processor 146 GNU/Linux > > other network card works fine on machine and it has no performance issues. > Problem also exists in older kernel .18 > > thanks for any help. Are you sure you don't have a window scaling corrupting firewall? Does the problem go away if you turn off window scaling? - To unsubscribe from this list: send the line "unsubscribe linux-net" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
