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Date:      Sat, 17 Oct 1998 12:08:49 +0100
From:      Karl Pielorz <kpielorz@tdx.co.uk>
To:        current@FreeBSD.ORG
Subject:   SCSI / CAM error or warning output?
Message-ID:  <36287AC1.3F0C0D9C@tdx.co.uk>

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Hi All (again?)

This might be considered slightly more -hardware oriented, but I thought
-current was probably more appropriate as current probably has the later
version of CAM...

My system's started spitting these out on the console, whilst I can get the
'jist' of what it's trying to say, can someone translate for me? (and tell me
whether it's good or bad?) - system is -current as of 10/16 @ 16:43...

ahc2 is a 2940UW, with 3 x Quantum drives on it. First 2 are un-terminated,
third is using onboard active termination, controller is set to terminate high
& low bits. Cable is a nice Adaptec cable (so _please_ don't tell me it's
termination <G>)...

This happens when the drives are 'busy' (but not totally thrashed)...

"
ahc2:A:8: no active SCB for reconnecting target - issuing BUS DEVICE RESET
SAVED_TCL == 0x80, ARG_1 == 0x1b, SEQ_FLAGS == 0x40
ahc2: Bus Device Reset on A:8. 6 SCBs aborted
(da4:ahc2:0:8:0): tagged openings now 64
(da4:ahc2:0:8:0): tagged openings now 63
Timedout SCB handled by another timeout
(da5:ahc2:0:9:0): data overrun detected in Data-In phase.  Tag == 0x2.
(da5:ahc2:0:9:0): Have seen Data Phase.  Length = 8192.  NumSGs = 1.
Timedout SCB handled by another timeout
ahc2: WARNING no command for scb 65 (cmdcmplt)
QOUTPOS = 1
ahc2: WARNING no command for scb 65 (cmdcmplt)
QOUTPOS = 34
ahc2: WARNING no command for scb 65 (cmdcmplt)
QOUTPOS = 43
ahc2: WARNING no command for scb 1 (cmdcmplt)
QOUTPOS = 58
ahc2:A:10: ahc_intr - referenced scb not valid during seqint 0x71 scb(1)
ahc2: WARNING no command for scb 1 (cmdcmplt)
QOUTPOS = 67
"

DMesg for ah2 is:

"
ahc2: <Adaptec 2940 Ultra SCSI adapter> rev 0x00 int a irq 19 on pci0.20.0
ahc2: aic7880 Wide Channel A, SCSI Id=7, 16/255 SCBs
"

Drives are:

"
da4 at ahc2 bus 0 target 8 lun 0
da4: <SEAGATE ST34371W 0202> Fixed Direct Access SCSI2 device
da4: 20.0MB/s transfers (10.0MHz, offset 8, 16bit), Tagged Queueing Enabled
da4: 4148MB (8496960 512 byte sectors: 255H 63S/T 528C)
da5 at ahc2 bus 0 target 9 lun 0
da5: <SEAGATE ST34371W 0202> Fixed Direct Access SCSI2 device
da5: 20.0MB/s transfers (10.0MHz, offset 8, 16bit), Tagged Queueing Enabled
da5: 4148MB (8496960 512 byte sectors: 255H 63S/T 528C)
da6 at ahc2 bus 0 target 10 lun 0
da6: <SEAGATE ST34371W 0202> Fixed Direct Access SCSI2 device
da6: 20.0MB/s transfers (10.0MHz, offset 8, 16bit), Tagged Queueing Enabled
da6: 4148MB (8496960 512 byte sectors: 255H 63S/T 528C)
"

Regards,

Karl

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