SCSI CRC and parity errors
From: Prashanth C A (prashanth_ca_at_yahoo.com)
Date: 02/24/04
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Date: 23 Feb 2004 22:11:54 -0800
Hello All,
We have ADAPTEC 7892A SCSI HBA on the host machine connected to
QLOGIC RAID controller.We have developed a high level SCSI
driver,which is responsible for sending out vendor specific SCSI
commands to the RAID device.We are getting the following errors from
the adaptec driver.The system hangs after we see this error.
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >(scsi0:A:1:0): parity error detected in Data-in phase.
> > SEQADDR(0x1a2) SCSIRATE(0xc2)
> > CRC Value Mismatch
> > Illegal CRC packet request
> > Unexpected non-DT Data Phase
> > (scsi0:A:1:0): parity error detected in Message-in phase. SEQADDR(0x1a2)
> > SCSIRATE(0xc2)
> > No terminal CRC packet recevied
> > scsi0:0:1:0: Attempting to queue an ABORT message
> > scsi0: Dumping Card State in Message-out phase, at SEQADDR 0x168
> > ACCUM = 0xa0, SINDEX = 0x9, DINDEX = 0x22, ARG_2 = 0xff
> > HCNT = 0x0 SCBPTR = 0x0
> > SCSISEQ = 0x12, SBLKCTL = 0xa
> >
> > DFCNTRL = 0x0, DFSTATUS = 0x88
> > LASTPHASE = 0xa0, SCSISIGI = 0xa6, SXFRCTL0 = 0x88
> > SSTAT0 = 0x2, SSTAT1 = 0x1
> > SCSIPHASE = 0x4
> > STACK == 0x167, 0x160, 0x0, 0xd8
> > SCB count = 4
> > Kernel NEXTQSCB = 2
> > Card NEXTQSCB = 2
> > QINFIFO entries:
> > Waiting Queue entries:
> > Disconnected Queue entries:
> > QOUTFIFO entries:
> > Sequencer Free SCB List: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
> > 21 22 23 24 25 26 27 28 29 30 31
> > Sequencer SCB Info: 0(c 0x40, s 0x17, l 0, t 0x3) 1(c 0x0, s 0xff, l 255, t
> > 0xff) 2(c 0x0, s 0xff, l 255, t 0xff) 3(c 0x0, s 0xff, l 255, t 0xff) 4(c
> > 0x0, s 0xff, l 255, t 0xff) 5(c 0x0, s 0xff, l 255, t 0xff) 6(c 0x0, s
> 0xff,
> > l 255, t 0xff) 7(c 0x0, s 0xff, l 255, t 0xff) 8(c 0x0, s 0xff, l 255, t
> > 0xff) 9(c 0x0, s 0xff, l 255, t 0xff) 10(c 0x0, s 0xff, l 255, t 0xff) 11(c
> > 0x0, s 0xff, l 255, t 0xff) 12(c 0x0, s 0xff, l 255, t 0xff) 13(c 0x0, s
> > 0xff, l 255, t 0xff) 14(c 0x0, s 0xff, l 255, t 0xff) 15(c 0x0, s 0xff, l
> > 255, t 0xff) 16(c 0x0, s 0xff, l 255, t 0xff) 17(c 0x0, s 0xff, l 255, t
> > 0xff) 18(c 0x0, s 0xff, l 255, t 0xff) 19(c 0x0, s 0xff, l 255, t 0xff)
> 20(c
> > 0x0, s 0xff, l 255, t 0xff) 21(c 0x0, s 0xff, l 255, t 0xff) 22(c 0x0, s
> > 0xff, l 255, t 0xff) 23(c 0x0, s 0xff, l 255, t 0xff) 24(c 0x0, s 0xff, l
> > 255, t 0xff) 25(c 0x0, s 0xff, l 255, t 0xff) 26(c 0x0, s 0xff, l 255, t
> > 0xff) 27(c 0x0, s 0xff, l 255, t 0xff) 28(c 0x0, s 0xff, l 255, t 0xff)
> 29(c
> > 0x0, s 0xff, l 255, t 0xff) 30(c 0x0, s 0xff, l 255, t 0xff) 31(c 0x0, s
> > 0xff, l 255, t 0xff)
> > Pending list: 3(c 0x40, s 0x17, l 0)
> > Kernel Free SCB list: 1 0
> > Untagged Q(1): 3
> > DevQ(0:0:0): 0 waiting
> > DevQ(0:1:0): 0 waiting
> > scsi0:0:1:0: Device is active, asserting ATN
> > (scsi0:A:1:0): Abort Message Sent
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
Can anyone please let us know the reason why we get these type of
errors.
We have changed the SCSI cables and terminator without any
success.Any pointers for resolving this problem would be appreciated.
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