Date: Tue, 29 Dec 1998 18:39:05 +0100 From: Harold Gutch <logix@foobar.franken.de> To: freebsd-scsi@FreeBSD.ORG Subject: parity error at boot-time Message-ID: <19981229183905.A25882@foobar.franken.de>
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Hello,
using a IBM DDRS-34560 drive connected to externally to my
Adaptec 2940 on a "classic" (== non-CAM) system, I get the
following error-messages when booting:
ahc0 <Adaptec 2940 Ultra SCSI host adapter> rev 1 int a irq 9 on pci0:8:0
mapreg[10] type=1 addr=0000e800 size=0100.
mapreg[14] type=0 addr=e7020000 size=1000.
reg16: ioaddr=0xe800 size=0x100
ahc0: Reading SEEPROM...checksum error
ahc0: No SEEPROM available
ahc0: Using left over BIOS settings
ahc0: aic7880 Wide Channel, SCSI Id=7, 16 SCBs
ahc0: Resetting Channel A
ahc0: Downloading Sequencer Program...ahc0: 367 instructions downloaded
Done
ahc0: Probing channel A
Choosing drivers for scbus configured at 0
ahc0 waiting for scsi devices to settle
ahc0: target 2 using 16Bit transfers
(ahc0:2:0): parity error during Command phase.
ahc0: board is not responding
cmd fail
(ahc0:2:0): SCB 0x0 - timed out in command phase, SCSISIGI == 0x56
SEQADDR = 0x42 SCSISEQ = 0x12 SSTAT0 = 0x7 SSTAT1 = 0x17
(ahc0:2:0): abort message in message buffer
(ahc0:2:0): "unknown unknown ????" type 13 fixed SCSI 0
uk0(ahc0:2:0): Unknown
ahc0: board is not responding
(ahc0:2:1): SCB 0x1 timedout while recovery in progress
ahc0: board is not responding
cmd fail
(ahc0:2:1): SCB 0x2 timedout while recovery in progress
(ahc0:2:1): "unknown unknown ????" type 13 fixed SCSI 0
uk1(ahc0:2:1): Unknown
At this point I switched off the drive and everything continued
normally.
Disabling parity checking in the BIOS of the controller doesn't
help, as FreeBSD seems to enable it again (at least it is enabled
again when I boot again and check in the BIOS).
I would blame the drive to be broken or something similar, the
weird thing is that I can use the drive without any problems with
Windows 98 on the same machine.
I guess this all is some easy "standard" problem, but I wasn't
able to find anything in the archives for this list.
--
bye, logix
<Shabby> Sleep is an abstinence syndrome wich occurs due to lack of caffein.
Wed Mar 4 04:53:33 CET 1998 #unix, ircnet
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