Originally Posted by whig
Post the results of this command in the problem condition
the NIC completely freeze a server. I even can't reboot the server through IPKVM
I've stressed the NIC today by iperf package (from epel. Description: Iperf is a tool to measure maximum TCP bandwidth) and got the panic.
The screenshot from IPKVM here: http://paix.org.ua/tmp/panic_220609.jpg
Unfortunately there isn't any interesting info to identify the problem.
The kernel was loaded with
kernel /vmlinuz-2.6.18-128.1.1.el5.028stab062.3 ro root=/dev/VolGroupSys/LogVolRoot crashkernel=128M@16M nousb noapic debug=2
options forcedeth optimization_mode=1
# dmesg |grep forcedeth
forcedeth.c: Reverse Engineered nForce ethernet driver. Version 0.62-Driver Package V1.25.
forcedeth: using HIGHDMA
eth0: forcedeth.c: subsystem: 01043:82b3 bound to 0000:00:0a.0