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Date:      Wed, 12 May 1999 16:42:59 -0700
From:      "David Schwartz" <davids@webmaster.com>
To:        <stable@freebsd.org>
Subject:   It's never done that before (AHC driver)
Message-ID:  <000001be9cd1$2b2d4e80$021d85d1@whenever.youwant.to>

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	This is the basic gist of my SCSI controller and disk drive:

ahc0: <Adaptec 2940 Ultra SCSI adapter> rev 0x01 int a irq 11 on pci0.16.0
ahc0: aic7880 Wide Channel A, SCSI Id=7, 16/255 SCBs
da0 at ahc0 bus 0 target 0 lun 0
da0: <CONNER CFP4207S  4.28GB 1524> Fixed Direct Access SCSI-2 device
da0: 3.300MB/s transfers, Tagged Queueing Enabled
da0: 4096MB (8388608 512 byte sectors: 255H 63S/T 522C)

	I have the BIOS set for slow transfers to this drive. The reason is not
particularly important.

	And today it did this:

(da0:ahc0:0:0:0): SCB 0x15 - timed out while idle, LASTPHASE == 0x1, SEQADDR
== 0x9
(da0:ahc0:0:0:0): Queuing a BDR SCB
(da0:ahc0:0:0:0): Bus Device Reset Message Sent
(da0:ahc0:0:0:0): no longer in timeout, status = 34b
ahc0: Bus Device Reset on A:0. 31 SCBs aborted

	I'm tracking STABLE, running 3.2-BETA. I suppose it could be a hardware
problem, but I've never had any such problem before.

	DS



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