opteron problems

[John Hearns]

On Fri, 19 Sep 2003, Glen Kaukola wrote:

> Hi,
> 
> We've purchased a few Opteron's to play with, and they're turning out to 
> not be very stable.  The motherboard in the systems is the Tyan Thunder 
> K8S S2280, and I'm running Red Hat 9 on two of them and Suse 8.2 x86_64 
> beta on the other two.  Each machine has the latest version of the bios 

We're running SuSE 8.2 beta on a cluster of dual Opterons. The 
motherboards are Rioworks HDAMA.
We're not seeing the problems you describe - they generall seem stable.
Recently upgraded to the latest BIOS from the Rioworks site.

The main problem we are seeing is occasinally nodes halting with the 
message:
 hda: dma_timer_expiry: dma status == 0x21
I'm sure this is not a ahrdware problem with the disks.
Have run kernels 2.4.22 and the SuSE patched 2.4.21. Anyone else seen
this?


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