Date: Thu, 21 Dec 2000 07:24:39 -0700 From: "Justin T. Gibbs" <gibbs@scsiguy.com> To: James Cronin <james@unfortu.net> Cc: freebsd-scsi@FreeBSD.ORG, freebsd-questions@FreeBSD.ORG, fred@condo.chico.ca.us, drek@bigstudios.com, Don.Lewis@tsc.tdk.com, nicks@albury.net.au Subject: Re: seagate drive firmware bugs Message-ID: <200012211424.eBLEOdF41963@aslan.scsiguy.com> In-Reply-To: Your message of "Thu, 21 Dec 2000 13:27:22 GMT." <20001221132722.J52246@plum.flirble.org>
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>Hi, > >I note in 20000921234343.A37161@absinthe.condo.chico.ca.us that >a bug has been identified in certain seagate drives in relation to >tagged queueing and write-thru caching that results in errors like: > >Dec 15 02:27:06 plum /kernel: (da0:ahc0:0:0:0): READ(10). CDB: 28 0 0 9a 22 23 > 0 >+0 2 0 >Dec 15 02:27:06 plum /kernel: (da0:ahc0:0:0:0): NOT READY asc:4,3 >Dec 15 02:27:06 plum /kernel: (da0:ahc0:0:0:0): Logical unit not ready, manual >+intervention required field replaceable unit: 5 >Dec 15 02:27:06 plum /kernel: (da0:ahc0:0:0:0): Invalidating pack > >I've disabled tagged queueing on the affected drive: My recollection was that the drive would simply fall off the bus to never return without a power cycle. It's interesting that the drive actually returns sense telling you it's dead. >but have been unable to disable write-thru cacheing (there's no option >that I can find to do that in the SCSI bios on my Adaptec aic7895 >Ultra SCSI adapter). Use "camcontrol modepage -e -m 8 -P 3" on the device and change WCE to 0. >How do I find out the firmware version on my drives? Nothing that looks like >a firmware version gets displayed in dmesg: > >da0 at ahc0 bus 0 target 0 lun 0 >da0: <SEAGATE ST39140W 1444> Fixed Direct Access SCSI-2 device Vendor Model Revision -- Justin To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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