From owner-freebsd-hackers  Sat Jun 27 07:34:15 1998
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From: Darren Reed <avalon@coombs.anu.edu.au>
Subject: Re: 2940UW boot w/ JAZ on 2.2.5
To: hackers@FreeBSD.ORG
Date: Sun, 28 Jun 1998 00:34:10 +1000 (EST)
In-Reply-To: <199806270808.BAA04309@hub.freebsd.org> from "Darren Reed" at Jun 27, 98 06:07:56 pm
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In some mail from Darren Reed, sie said:
> 
> 
> On bootup with a JAZ drive, I ejected the cartridge and FreeBSD failed to
> boot up.
> 
> Heaps of messages about SCB's timing out, ahc0 not responding, unknowns,
> etc.
> 
> Curiously it is scanning all the targets and all their LUNs.  Will have
> to wait longer to see if it actually boots, it's quite slow this :)

Well, it booted eventually.  This is what dmesg contained:
[start is here, guess it ran out of buffer space :]
(ahc0:13:4): "unknown unknown ????" type 13 fixed SCSI 0
uk60(ahc0:13:4): Unknown 
ahc0: board is not responding
(ahc0:13:5): SCB 0xb6 timedout while recovery in progress
ahc0: board is not responding
(ahc0:13:5): SCB 0xb7 timedout while recovery in progress
ahc0: board is not responding
cmd fail
...
(ahc0:15:7): SCB 0xec timedout while recovery in progress
ahc0: board is not responding
(ahc0:15:7): SCB 0xed timedout while recovery in progress
ahc0: board is not responding
cmd fail
(ahc0:15:7): SCB 0xee timedout while recovery in progress
(ahc0:15:7): "unknown unknown ????" type 13 fixed SCSI 0
uk79(ahc0:15:7): Unknown 
Probing for devices on the ISA bus:
...isa probing...
DEVFS: ready to run
ccd0-3: Concatenated disk drivers
uk79(ahc0:15:7): SCB 0x0 - timed out in command phase, SCSISIGI == 0x56
SEQADDR = 0x47 SCSISEQ = 0x12 SSTAT0 = 0x7 SSTAT1 = 0x17
uk79(ahc0:15:7): no longer in timeout
ahc0: Issued Channel A Bus Reset. 239 SCBs aborted


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