Messages in this thread | | | Subject | Re: Linux-2.6.13-rc6: aic7xxx testers please.. | From | James Bottomley <> | Date | Tue, 09 Aug 2005 19:50:10 -0500 |
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On Tue, 2005-08-09 at 16:12 -0400, John Stoffel wrote: > Thank you for looking into this with me, I really appreciate it. I'm > kinda stumped why this suddenly started happening, but it could be > hardware related of course...
Well ... there's something going on that your posted dmesg's don't seem to cover. This:
> Vendor: SUN Model: DLT7000 Rev: 1E48 > Type: Sequential-Access ANSI SCSI revision: 02 > target1:0:6: asynchronous. > target1:0:6: Beginning Domain Validation > target1:0:6: wide asynchronous. > target1:0:6: Domain Validation skipping write tests > target1:0:6: FAST-10 WIDE SCSI 20.0 MB/s ST (100 ns, offset 8) > target1:0:6: Ending Domain Validation
Say everything went OK with DV and the drive attaches wide and at 10MHz.
But in your previous posting, the aic proc routines said this:
> Target 6 Negotiation Settings > User: 40.000MB/s transfers (20.000MHz, offset 127, 16bit) > Goal: 20.000MB/s transfers (10.000MHz, offset 8, 16bit) > Curr: 3.300MB/s transfers > Channel A Target 6 Lun 0 Settings > Commands Queued 1065 > Commands Active 0 > Command Openings 1 > Max Tagged Openings 0 > Device Queue Frozen Count 0
Which is the AIC driver's way of saying narrow async.
So something must have happened during the 1065 I/Os to cause this. Hopefully that something left a trace in the logs.
James
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