I’m getting a huge amount of the following errors in a short while.
scsi0: Split completion read data parity error in DFF1
scsi0: Address or Write Phase Parity Error Detected in DFF1.
scsi0: PCI error Interrupt
>>>>>>>>>>>>>>>>>> Dump Card State Begins <<<<<<<<<<<<<<<<<
scsi0: Dumping Card State at program address 0x20d Mode 0x33
Card was paused
INTSTAT[0x10]:(PCIINT) SELOID[0x3] SELID[0x0] HS_MAILBOX[0x0]
INTCTL[0x80]:(SWTMINTMASK) SEQINTSTAT[0x0] SAVED_MODE[0x11]
DFFSTAT[0x19]:(CURRFIFO_1|FIFO0FREE) SCSISIGI[0xc6]:(P_STATUS|REQI|BSYI)
SCSIPHASE[0x20]:(STATUS_PHASE) SCSIBUS[0x0] LASTPHASE[0x20]:(P_DATAOUT_DT)
SCSISEQ0[0x0] SCSISEQ1[0x12]:(ENAUTOATNP|ENRSELI)
SEQCTL0[0x0] SEQINTCTL[0x0] SEQ_FLAGS[0x20]:(DPHASE)
SEQ_FLAGS2[0x0] QFREEZE_COUNT[0x1] KERNEL_QFREEZE_COUNT[0x1]
MK_MESSAGE_SCB[0xff00] MK_MESSAGE_SCSIID[0xff]
SSTAT0[0x2]:(SPIORDY) SSTAT1[0x19]:(REQINIT|BUSFREE|PHASEMIS)
SSTAT2[0x0] SSTAT3[0x0] PERRDIAG[0xc0]:(HIPERR|HIZERO)
SIMODE1[0xac]:(ENSCSIPERR|ENBUSFREE|ENSCSIRST|ENSELTIMO)
LQISTAT0[0x0] LQISTAT1[0x0] LQISTAT2[0x0] LQOSTAT0[0x0]
LQOSTAT1[0x0] LQOSTAT2[0x0]
SCB Count = 4 CMDS_PENDING = 1 LASTSCB 0xffff CURRSCB 0x2 NEXTSCB 0x0
qinstart = 62093 qinfifonext = 62093
QINFIFO:
WAITING_TID_QUEUES:
Pending list:
2 FIFO_USE[0x0] SCB_CONTROL[0x0] SCB_SCSIID[0x37]
Total 1
Kernel Free SCB list: 3 1 0
Sequencer Complete DMA-inprog list:
Sequencer Complete list:
Sequencer DMA-Up and Complete list:
Sequencer On QFreeze and Complete list:
scsi0: FIFO0 Free, LONGJMP == 0x80ff, SCB 0x0
SEQIMODE[0x3f]:(ENCFG4TCMD|ENCFG4ICMD|ENCFG4TSTAT|ENCFG4ISTAT|ENCFG4DATA|ENSAVEPTRS)
SEQINTSRC[0x0] DFCNTRL[0x0] DFSTATUS[0x89]:(FIFOEMP|HDONE|PRELOAD_AVAIL)
SG_CACHE_SHADOW[0x2]:(LAST_SEG) SG_STATE[0x0] DFFSXFRCTL[0x0]
SOFFCNT[0x0] MDFFSTAT[0x5]:(FIFOFREE|DLZERO) SHADDR = 0x00, SHCNT = 0x0
HADDR = 0x00, HCNT = 0x0 CCSGCTL[0x10]:(SG_CACHE_AVAIL)
scsi0: FIFO1 Active, LONGJMP == 0x8063, SCB 0x2
SEQIMODE[0x3f]:(ENCFG4TCMD|ENCFG4ICMD|ENCFG4TSTAT|ENCFG4ISTAT|ENCFG4DATA|ENSAVEPTRS)
SEQINTSRC[0x0] DFCNTRL[0xc]:(DIRECTION|HDMAEN)
DFSTATUS[0x89]:(FIFOEMP|HDONE|PRELOAD_AVAIL) SG_CACHE_SHADOW[0xb]:(LAST_SEG_DONE|LAST_SEG)
SG_STATE[0x0] DFFSXFRCTL[0x0] SOFFCNT[0x0] MDFFSTAT[0x14]:(DLZERO|LASTSDONE)
SHADDR = 0x18eb4b800, SHCNT = 0x0 HADDR = 0x18eb4b800, HCNT = 0x0
CCSGCTL[0x10]:(SG_CACHE_AVAIL)
LQIN: 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0
scsi0: LQISTATE = 0x0, LQOSTATE = 0x0, OPTIONMODE = 0x52
scsi0: OS_SPACE_CNT = 0x20 MAXCMDCNT = 0x0
scsi0: SAVED_SCSIID = 0x0 SAVED_LUN = 0x0
SIMODE0[0xc]:(ENOVERRUN|ENIOERR)
CCSCBCTL[0x4]:(CCSCBDIR)
scsi0: REG0 == 0x2, SINDEX = 0x180, DINDEX = 0x108
scsi0: SCBPTR == 0x2, SCB_NEXT == 0xffc0, SCB_NEXT2 == 0xff80
CDB a 0 0 81 8 28
STACK: 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0
<<<<<<<<<<<<<<<<< Dump Card State Ends >>>>>>>>>>>>>>>>>>
It looks like it is happening when there is a pause in writing on the tape and a new write is initiated.
This is based upon what the display of the tape systems says.
Anybody that can give some hints or guideing.
There is no problem when reading at all.