Messages in this thread | | | Subject | Re: Via-Rhine ethernet driver problem? | From | Janne Pikkarainen <> | Date | Mon, 29 Mar 2004 21:40:50 +0300 |
| |
On Mon, 2004-03-29 at 20:24, walt wrote: > Hi, Roger et al, > > ECS K7VTA3 motherboard with built-in ethernet chip: > > 00:12.0 Ethernet controller: VIA Technologies, Inc. VT6102 [Rhine-II] (rev 74) > Subsystem: VIA Technologies, Inc. VT6102 [Rhine II] Embeded Ethernet Controller on VT8235 > Flags: bus master, medium devsel, latency 32, IRQ 11 > I/O ports at ec00 [size=256] > Memory at e9041000 (32-bit, non-prefetchable) [size=256] > Capabilities: [40] Power Management version 2 > > The problem is terrible performance -- I noticed that NFS file transfers grind > to a complete halt almost immediately on this machine. > > I also discovered by using 'scp' to copy files between machines that the bad > performance is assymetrical: copying a file *to* this machine runs at about > half-speed (5 MB/sec) whereas copying a file *from* this machine runs at > 45 KiloB/sec, about one percent of expected. > > The reason I feel this is software and not hardware is that the same machine > running any of the BSD's runs full-speed in both directions.
Hello,
I'm trying to take some load off from actual kernel developers and doing just a small check: is your NIC in full duplex mode while in Linux? Please check it with mii-tool or ethtool. This sounds like a half-duplex problem for me...
Best Regards,
Janne Pikkarainen
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |