dmesg errors

[Jim Smith]

Im getting the following errors in dmesg;

SCSI: Unexpected Disconnect -- lbolt: 72652436, dev: cb06f002, io_id: 60000f0

Theres quite a few of them. How can I trace the problem ?

[Stefan Farrelly · Accepted solution]

These sort of SCSI disconnect errors are normally ghosts. You see lots of them but theyre not the cause of the problem. I'll bet the device (dev:) is different amongst all these errors in dmesg ?

The way to track down properly which device is causing your problem is to use the Online Diagnostics. Run xstm, go to TOOLS -> UTILITY -> LOGTOOL and view the raw log. (You may need to save it to a file if the log is too big and then vi this file and start from the bottom and work backwords) . Start at the bottom as the most recent errors are at the bottom. You should see a pattern of the same device path which is logging errors and this will identify the troublesome device.

[T G Manikandan]

Hello,
check out for the SCSI patches

There are some messages from these patches.Please check it out.

PHKL_18543
http://support2.itrc.hp.com/service/patch/patchDetail.do?patchid=PHKL_18543&context=hpux:800:11:00
PHKL_25048 26936
http://support2.itrc.hp.com/service/patch/patchDetail.do?patchid=PHKL_26936&context=hpux:800:11:04
PHKL_19142
http://support2.itrc.hp.com/service/patch/patchDetail.do?patchid=PHKL_19142&context=hpux:800:11:04
PHKL_23258 26397
http://support2.itrc.hp.com/service/patch/patchDetail.do?patchid=PHKL_26397&context=hpux:700:10:20

PHKL_21085 26398
http://support2.itrc.hp.com/service/patch/patchDetail.do?patchid=PHKL_26398&context=hpux:800:10:20

[Dave Unverhau_1]

Jim,

Do you have a support contract? The HP Response Center is very adept at troubleshooting this kind of stuff.

Take a look at /var/adm/syslog/syslog.log and /var/adm/syslog/OLDsyslog.log to see if you can establish whether the messages all appear to point to the same device or bus.

What kind of system is this?

What kind of SCSI and FC interfaces are in the system?

What kind of devices populate these busses?

If all of these errors point to a device, it is most likely (but not necessarily) the culprit.

If they all point to one SCSI bus, the problem could be any device or the host interface on that bus.

If these errors point to a FC bus, you might have a bad FC transceiver. There were service notes dealing with FC transceiver problems, but these have long-since expired.

If you provide more detail, I'll help if I can.

Regards,

Dave