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Friday Success

September 23, 2005

Just had an email asking what could be the root cause of these errors could be:

 Sep 23 16:04:46 foohost scsi: [ID 107833 kern.warning] WARNING: /ssm@0,0/pci@1a,700000/pci@3/SUNW,isptwo@4 (isp1): Sep 23 16:04:46 foohost Bad token in isp_intr slot 180 seq f9be, current seq f9bd, XOR c6 Sep 23 16:04:46 foohost scsi: [ID 107833 kern.warning] WARNING: /ssm@0,0/pci@1a,700000/pci@3/SUNW,isptwo@4 (isp1): Sep 23 16:04:46 foohost Fatal error, resetting interface  

It made my Friday as this error used to result in a system crash and then a call to Sun and a crash dump to analyse and the isp card swapped. Whether the card needed swapping was unknown as the errors typically only happened once. So a while back I putback some changes to allow the system to survive the hardware failure. However since I could never get real failing hardware I could only test the fix by injecting errors so it is nice to see the fix really did work in anger on a real customers system. No crash.

As to the root cause? Try the isp card, or the IO boat of the IO card in that order. However if the error only happens once, leave it alone only mess with the hardware if it is persistent.

The one negative is that the isp driver is not released in source form in OpenSolaris so I can’t point you at the code.

Tags: topic:[solaris] topic:[isp] topic:[OpenSolaris]

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