[rhelv6-list] MAYDAY ... very strange network breakdown/freeze with new servers and RH EL 6 x86_64

[Curtis Rempel]

On 2010-12-16, at 7:24 AM, Barry Brimer wrote:

>> yesterday I got two identical new servers for running RH EL 6.
>> 
>> I did a basic installation with all defaults to the software selection,
>> the disk setup (LVM, ext4,...). After registration, I did an yum update.
>> 
>> The current kernel is 2.6.32-71.7.1.el6.x86_64.
>> 
>> The onboard LAN is 2 x 1 GBit/s Intel 82574L
>> 
>> The servers Tech spec can be seen here:
>> https://www.thomas-krenn.com/de/server-systeme/technisches-datenblatt/frame.only_content/key.6957.html
>> 
>> 
>> At installationtime I set the lan configuration to DHCP and changed it
>> later with the system-config-network tool to static IP and DNS/gateway
>> settings.
>> 
>> Now I'm faced with the problem, that the LAN connection freezes after a
>> couple of minutes and I cant restart the network service. And there are
>> a lot off errors and dropped packages/frames.
> 
> I would look in dmesg.  Does this happen with the older kernel that you installed with the system?  I would also use a LiveCD and see if the same thing occurs.
> 

It seems to be related to a bug filed on RHEL 5.5:  https://bugzilla.redhat.com/show_bug.cgi?id=632650

Though I haven't read the filing in detail, it's probably worth looking for related info in the report.