SATA time outs

Casey Scott casey at phantombsd.org
Mon Jun 14 15:06:03 UTC 2010


Since upgrading to 8.0 RELEASE, I continually get these errors:

...
Jun 11 15:24:08 xxxx kernel: ad6: 953869MB <Seagate ST31000340AS SD1A> at ata3-master SATA150
Jun 11 15:24:08 xxxx kernel: (probe6:ahc0:0:6:0): TEST UNIT READY. CDB: 0 0 0 0 0 0
Jun 11 15:24:08 xxxx kernel: (probe6:ahc0:0:6:0): CAM Status: SCSI Status Error
Jun 11 15:24:08 xxxx kernel: (probe6:ahc0:0:6:0): SCSI Status: Check Condition
Jun 11 15:24:08 xxxx kernel: (probe6:ahc0:0:6:0): UNIT ATTENTION asc:29,2
Jun 11 15:24:08 xxxx kernel: (probe6:ahc0:0:6:0): SCSI bus reset occurred
Jun 11 15:24:08 xxxx kernel: (probe6:ahc0:0:6:0): Retrying Command (per Sense Data)
...


I've tried 3 different drives w/ 2 different disk controllers. Anything I use as the second drive generates this message on boot, and will eventually fail with timeout errors after a couple hours.  The other drive on the system, ad4, never displays these symptoms. This isn't new hardware, and worked flawlessly until now.

Any suggestions? Has a bug been introduced into the ata driver?

Regards,
Casey


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