Kernel panics with 7.2 and ANS
Michael E Brown
michael_e_brown at dell.com
Tue Nov 6 09:10:01 CST 2001
Jeremy Stoltz wrote:
>I ended up upgrading the kernel to 2.4.9-13 and using the default e100
>drivers with no Etherchannel. I brought one of the boxes back to the office
>to do some testing on. I'll send a copy to this list and Intel once I get a
>chance. Are there any other options then iANS to use etherchannel or at
>least load balancing between two nics?
>----- Original Message -----
>From: "David Kinnvall" <david.kinnvall at alertir.com>
>To: <Linux-PowerEdge at dell.com>
>Sent: Monday, November 05, 2001 12:01 PM
>Subject: Re: Kernel panics with 7.2 and ANS
>>From: "Ard van Breemen" <ard at telegraafnet.nl>
>>>On Mon, Nov 05, 2001 at 10:45:59AM -0800, Jeremy Stoltz wrote:
>>>>I have several 1550's which I recently started using Intel's ANS
>>>>etherchannel. I was having problems with occasional kernel panics on
>>>>machines. Yesterday I upgraded the machines to use e100-1.6.22 and
>>>>iANS-1.4.27. I saw a kernel panic on most of the machines with in a
>>>>hours of the upgrade.
>>>>I'm using Redhat 7.2 with 2.4.7-10smp on these machines. Any
>>>>resolve this issue?
>>>Yes: use a serial console, and cut and paste the panics and the oopses,
>>>and send them to this list.
>>>Ehhh, also run them through ksymoops before sending them to this list.
>>>If the panic seemed to be caused by iANS, you have to contact intel.
>>>Anyway, by using iANS, your kernel is tainted, so support is less
>>>likely to come from kernel-hackers.
>>>But without the panics and the oopses, we cannot help you.
>>To add one more, albeit neither this one with anything more
>>helpful such as panics and/or oopses, I ran into this one as
>>well. Crashes with iANS loaded, on any kernel except the
>>2.4.3 from Red Hat 7.1. Upgrades to later kernels for 7.1
>>or a major upgrade to Red Hat 7.2 with any of the kernels
>>available for that release all lead to the same result:
>>crash and burn. Remove the iANS driver and all is well.
>>Temporary solution on my part: Run Red Hat 7.2 on my dev.
>>servers in-house without iANS, stay with Red Hat 7.1 and
>>2.4.3 on my production servers and wait. If I get the time
>>and hardware necessary I'll try to reproduce and record
>>some useful data next time around.
>>In other words: It's a problem with iANS and kernel revs.
>>This would be the time to bug Intel, I guess.
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>>Linux-PowerEdge at dell.com
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