lkml.org 
[lkml]   [2004]   [Mar]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: Via-Rhine ethernet driver problem?
From
Date
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/

\
 
 \ /
  Last update: 2005-03-22 14:02    [W:0.045 / U:0.564 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site