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Date:      Tue, 10 Aug 1999 09:59:06 +0300
From:      Vallo Kallaste <vallo@matti.ee>
To:        "Kenneth D. Merry" <ken@kdm.org>
Cc:        Mike Tancsa <mike@sentex.net>, questions@FreeBSD.ORG, scsi@FreeBSD.ORG
Subject:   Re: AHC errors. Bad disk or bad firmware, or bug in driver ?
Message-ID:  <19990810095906.A2512@myhakas.matti.ee>
In-Reply-To: <199908091705.LAA29115@panzer.kdm.org>; from Kenneth D. Merry on Mon, Aug 09, 1999 at 11:05:02AM -0600
References:  <4.1.19990808234210.03c6b2d0@granite.sentex.ca> <199908091705.LAA29115@panzer.kdm.org>

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On Mon, Aug 09, 1999 at 11:05:02AM -0600, "Kenneth D. Merry" <ken@kdm.org> wrote:

> > Aug  8 20:53:21 granite /kernel: SEQADDR = 0x8 SCSISEQ = 0x12 SSTAT0 = 0x5
> > SSTAT1 = 0xa
> > Aug  8 20:53:21 granite /kernel: Ordered Tag queued
> > Aug  8 20:53:21 granite /kernel: sd2(ahc0:2:0): SCB 0x0 timedout while
> > recovery in progress
> > Aug  8 20:53:21 granite /kernel: sd2(ahc0:2:0): SCB 0xc timedout while
> > recovery in progress
> > Aug  8 20:53:26 granite /kernel: sd2(ahc0:2:0): SCB 0xd - timed out while
> [ ... ]
> 
> 
> > And then the target busy just keeps repeating itself over and over. I had
> > to reboot the machine and unfortunately, it had a few errors, pretty well
> > all of which we were able to recover. The drive in question is a Viking II
> > 
> > (ahc0:2:0): "QUANTUM VIKING II 4.5WSE 4110" type 0 fixed SCSI 2
> > sd2(ahc0:2:0): Direct-Access 4350MB (8910423 512 byte sectors)
> > ahc0: target 4 Tagged Queuing Device
> > 
> > If it was simply a media error, would it not either recover or panic ? Why
> > the seemingly endless loop of "Target Busy"
> 
> It smells like bogus firmware, but it's kinda hard to say.  You might check
> to see whether there is new firmware available for that disk.  Quantum has
> firmware and firmware loaders on their ftp site.

I do have two of these drives and upgraded the firmware quite a while
ago, had problems with older firmware, possibly relative to my ncr based
controller. For now I'm running with these about a year without any
problems. For what it's worth, they have working 64 tags also. I'm
satisfied :)

da0 at ncr0 bus 0 target 5 lun 0
da0: <QUANTUM VIKING II 4.5WSE 5520> Fixed Direct Access SCSI-2 device 
da0: 40.000MB/s transfers (20.000MHz, offset 16, 16bit), Tagged Queueing Enabled
da0: 4350MB (8910423 512 byte sectors: 255H 63S/T 554C)
da1 at ncr0 bus 0 target 6 lun 0
da1: <QUANTUM VIKING II 4.5WSE 5520> Fixed Direct Access SCSI-2 device 
da1: 40.000MB/s transfers (20.000MHz, offset 16, 16bit), Tagged Queueing Enabled
da1: 4350MB (8910423 512 byte sectors: 255H 63S/T 554C)
-- 

Vallo Kallaste
vallo@matti.ee


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