[CentOS] tg3 ethernet card drops connection under heavy load

Tru Huynh tru at centos.org
Thu Oct 9 14:15:40 UTC 2008


Hi,

please leave the attribution when you reply ;)

On Thu, Oct 09, 2008 at 08:27:34AM -0500, Sean Carolan wrote:
> 
> This server is running centos 3.9
> Linux server.domain.com 2.4.21-57.ELsmp #1 SMP Wed May 7 06:10:55 EDT
> 2008 i686 i686 i386 GNU/Linux

3.9 32 bits SMP latest kernel version.

> There was nothing out of the ordinary in /var/log/messages.  The
> logging just stops after the network card drops offline.  dmesg also
> shows nothing out of the ordinary when the driver is loaded.  The
> network card works fine until it is under heavy load.
> 
> > -> /sbin/ifconfig -a
> 
> eth0    Link encap:Ethernet  HWaddr FF:FF:FF:FF:FF:FF
>           inet addr:10.100.1.200  Bcast:10.100.255.255  Mask:255.255.0.0
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:56261 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:30199 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000
>           RX bytes:5969478 (5.6 Mb)  TX bytes:3305868 (3.1 Mb)
>           Interrupt:26
not much my compute node running the 64 bits version are showing:
... 2.4.21-57.ELsmp #1 SMP Wed May 7 05:32:23 EDT 2008 x86_64 x86_64 x86_64 GNU/Linux
/etc/modules.conf:
...
alias eth1 tg3
...
eth1      Link encap:Ethernet  HWaddr 00:E0:81:xx:xx:xx  
          inet addr:157.99.90.xxx  Bcast:157.99.90.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:1016657124 errors:0 dropped:0 overruns:0 frame:0
          TX packets:831373335 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:211598527896 (201796.0 Mb)  TX bytes:217466051363 (207391.7 Mb)
          Interrupt:24 

[tru at aaricia ~]$ uptime 
 16:12:45  up 126 days, 19:17,  1 user,  load average: 4.07, 3.88, 3.12
[tru at aaricia ~]$ lspci
02:09.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5704 Gigabit Ethernet (rev 03)
02:09.1 Ethernet controller: Broadcom Corporation NetXtreme BCM5704 Gigabit Ethernet (rev 03)

> <snip ethtool results: look fine >

check for a loose network cable?

Tru
-- 
Tru Huynh (mirrors, CentOS-3 i386/x86_64 Package Maintenance)
http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xBEFA581B
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