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SubjectSCSI Tape (st) problem ....
Hi All,

i'm using Slack 9 in a PIII machine with a DLT7000 tape drive, and
kernel 2.4.25.

Everything was working fine before i changed my scsi disk.
Since then i've been receiving errors like this one below in my syslog,
and my tape backup stopped working.
The system didnt change (i made a disk mirror before changing it).

I'm trying to backup 2GB of data and im getting the error below in
syslog and a "End of Tape" as the command output.
The tape supports up to 70GB (with compression) i guess, and it was
working 3 weeks ago ...
I tryed changing the tape but it still doesnt work.

As u kernel mantainers, r those who knows best this low-level problems,
im sending u this email asking for help.

Any idea ?? Is it a hardware error ? Or only a module error ?
Should i try to use "st" as fix instead of module ?


My SCSI tape:

Host: scsi0 Channel: 00 Id: 04 Lun: 00
Vendor: TANDBERG Model: DLT7000 Rev: 2151
Type: Sequential-Access ANSI SCSI revision: 02


My SCSI card/module:

Adaptec AIC7xxx driver version: 6.2.36
Adaptec 2940 Ultra2 SCSI adapter
aic7890/91: Ultra2 Wide Channel A, SCSI Id=7, 32/253 SCBs


The syslog error:

Apr 8 11:09:15 backup2 kernel: (scsi0:A:4): 20.000MB/s transfers
(10.000MHz, offset 15, 16bit)
Apr 8 11:49:11 backup2 kernel: scsi0:0:4:0: Attempting to queue an
ABORT message
Apr 8 11:49:11 backup2 kernel: CDB: 0xa 0x0 0x0 0x2 0x0 0x0
Apr 8 11:49:11 backup2 kernel: scsi0: At time of recovery, card was not
paused
Apr 8 11:49:11 backup2 kernel: >>>>>>>>>>>>>>>>>> Dump Card State
Begins <<<<<<<<<<<<<<<<<
Apr 8 11:49:11 backup2 kernel: scsi0: Dumping Card State while idle, at
SEQADDR 0x8
Apr 8 11:49:11 backup2 kernel: Card was paused
Apr 8 11:49:11 backup2 kernel: ACCUM = 0x0, SINDEX = 0xb, DINDEX =
0xe4, ARG_2 = 0x0
Apr 8 11:49:11 backup2 kernel: HCNT = 0x0 SCBPTR = 0x8
Apr 8 11:49:11 backup2 kernel: SCSISIGI[0x0] ERROR[0x0] SCSIBUSL[0x0]
LASTPHASE[0x1]
Apr 8 11:49:11 backup2 kernel: SCSISEQ[0x12] SBLKCTL[0x6] SCSIRATE[0x0]
SEQCTL[0x10]
Apr 8 11:49:11 backup2 kernel: SEQ_FLAGS[0xc0] SSTAT0[0x0] SSTAT1[0xa]
SSTAT2[0x0]
Apr 8 11:49:11 backup2 kernel: SSTAT3[0x0] SIMODE0[0x8] SIMODE1[0xa4]
SXFRCTL0[0x80]
Apr 8 11:49:11 backup2 kernel: DFCNTRL[0x0] DFSTATUS[0x89]
Apr 8 11:49:11 backup2 kernel: STACK: 0x83 0x166 0x10c 0x3
Apr 8 11:49:11 backup2 kernel: SCB count = 35
Apr 8 11:49:11 backup2 kernel: Kernel NEXTQSCB = 1
Apr 8 11:49:11 backup2 kernel: Card NEXTQSCB = 1
Apr 8 11:49:11 backup2 kernel: QINFIFO entries:
Apr 8 11:49:11 backup2 kernel: Waiting Queue entries:
Apr 8 11:49:11 backup2 kernel: Disconnected Queue entries: 13:31
Apr 8 11:49:11 backup2 kernel: QOUTFIFO entries:
Apr 8 11:49:11 backup2 kernel: Sequencer Free SCB List: 8 24 5 22 31 10
28 11 18 6 4 15 0 26 30 23 12 9 16 20 7 25 3 2 1 21 27 29 19 14 17
Apr 8 11:49:11 backup2 kernel: Sequencer SCB Info:
Apr 8 11:49:11 backup2 kernel: 0 SCB_CONTROL[0xe0] SCB_SCSIID[0x7]
SCB_LUN[0x0] SCB_TAG[0xff]
Apr 8 11:49:11 backup2 kernel: 1 SCB_CONTROL[0xe0] SCB_SCSIID[0x7]
SCB_LUN[0x0] SCB_TAG[0xff]
Apr 8 11:49:11 backup2 kernel: 2 SCB_CONTROL[0xe0] SCB_SCSIID[0x7]
SCB_LUN[0x0] SCB_TAG[0xff]
Apr 8 11:49:11 backup2 kernel: 3 SCB_CONTROL[0xe0] SCB_SCSIID[0x7]
SCB_LUN[0x0] SCB_TAG[0xff]
Apr 8 11:49:11 backup2 kernel: 4 SCB_CONTROL[0xe0] SCB_SCSIID[0x7]
SCB_LUN[0x0] SCB_TAG[0xff]
Apr 8 11:49:11 backup2 kernel: 5 SCB_CONTROL[0xe0] SCB_SCSIID[0x7]
SCB_LUN[0x0] SCB_TAG[0xff]
Apr 8 11:49:11 backup2 kernel: 6 SCB_CONTROL[0xe0] SCB_SCSIID[0x7]
SCB_LUN[0x0] SCB_TAG[0xff]
Apr 8 11:49:11 backup2 kernel: 7 SCB_CONTROL[0xe0] SCB_SCSIID[0x7]
SCB_LUN[0x0] SCB_TAG[0xff]
Apr 8 11:49:11 backup2 kernel: 8 SCB_CONTROL[0xe0] SCB_SCSIID[0x7]
SCB_LUN[0x0] SCB_TAG[0xff]
Apr 8 11:49:11 backup2 kernel: 9 SCB_CONTROL[0xe0] SCB_SCSIID[0x7]
SCB_LUN[0x0] SCB_TAG[0xff]
Apr 8 11:49:11 backup2 kernel: 10 SCB_CONTROL[0xe0] SCB_SCSIID[0x7]
SCB_LUN[0x0] SCB_TAG[0xff]
Apr 8 11:49:11 backup2 kernel: 11 SCB_CONTROL[0xe0] SCB_SCSIID[0x7]
SCB_LUN[0x0] SCB_TAG[0xff]
Apr 8 11:49:11 backup2 kernel: 12 SCB_CONTROL[0xe0] SCB_SCSIID[0x7]
SCB_LUN[0x0] SCB_TAG[0xff]
Apr 8 11:49:11 backup2 kernel: 13 SCB_CONTROL[0x44] SCB_SCSIID[0x47]
SCB_LUN[0x0] SCB_TAG[0x1f]
Apr 8 11:49:11 backup2 kernel: 14 SCB_CONTROL[0xe0] SCB_SCSIID[0x7]
SCB_LUN[0x0] SCB_TAG[0xff]
Apr 8 11:49:11 backup2 kernel: 15 SCB_CONTROL[0xe0] SCB_SCSIID[0x7]
SCB_LUN[0x0] SCB_TAG[0xff]
Apr 8 11:49:11 backup2 kernel: 16 SCB_CONTROL[0xe0] SCB_SCSIID[0x7]
SCB_LUN[0x0] SCB_TAG[0xff]
Apr 8 11:49:11 backup2 kernel: 17 SCB_CONTROL[0xe0] SCB_SCSIID[0x7]
SCB_LUN[0x0] SCB_TAG[0xff]
Apr 8 11:49:11 backup2 kernel: 18 SCB_CONTROL[0xe0] SCB_SCSIID[0x7]
SCB_LUN[0x0] SCB_TAG[0xff]
Apr 8 11:49:11 backup2 kernel: 19 SCB_CONTROL[0xe0] SCB_SCSIID[0x7]
SCB_LUN[0x0] SCB_TAG[0xff]
Apr 8 11:49:11 backup2 kernel: 20 SCB_CONTROL[0xe0] SCB_SCSIID[0x7]
SCB_LUN[0x0] SCB_TAG[0xff]
Apr 8 11:49:11 backup2 kernel: 21 SCB_CONTROL[0xe0] SCB_SCSIID[0x7]
SCB_LUN[0x0] SCB_TAG[0xff]
Apr 8 11:49:11 backup2 kernel: 22 SCB_CONTROL[0xe0] SCB_SCSIID[0x7]
SCB_LUN[0x0] SCB_TAG[0xff]
Apr 8 11:49:11 backup2 kernel: 23 SCB_CONTROL[0xe0] SCB_SCSIID[0x7]
SCB_LUN[0x0] SCB_TAG[0xff]
Apr 8 11:49:11 backup2 kernel: 24 SCB_CONTROL[0xe0] SCB_SCSIID[0x7]
SCB_LUN[0x0] SCB_TAG[0xff]
Apr 8 11:49:11 backup2 kernel: 25 SCB_CONTROL[0xe0] SCB_SCSIID[0x7]
SCB_LUN[0x0] SCB_TAG[0xff]
Apr 8 11:49:11 backup2 kernel: 26 SCB_CONTROL[0xe0] SCB_SCSIID[0x7]
SCB_LUN[0x0] SCB_TAG[0xff]
Apr 8 11:49:11 backup2 kernel: 27 SCB_CONTROL[0xe0] SCB_SCSIID[0x7]
SCB_LUN[0x0] SCB_TAG[0xff]
Apr 8 11:49:11 backup2 kernel: 28 SCB_CONTROL[0xe0] SCB_SCSIID[0x7]
SCB_LUN[0x0] SCB_TAG[0xff]
Apr 8 11:49:11 backup2 kernel: 29 SCB_CONTROL[0xe0] SCB_SCSIID[0x7]
SCB_LUN[0x0] SCB_TAG[0xff]
Apr 8 11:49:11 backup2 kernel: 30 SCB_CONTROL[0xe0] SCB_SCSIID[0x7]
SCB_LUN[0x0] SCB_TAG[0xff]
Apr 8 11:49:11 backup2 kernel: 31 SCB_CONTROL[0xe0] SCB_SCSIID[0x7]
SCB_LUN[0x0] SCB_TAG[0xff]
Apr 8 11:49:11 backup2 kernel: Pending list:
Apr 8 11:49:11 backup2 kernel: 31 SCB_CONTROL[0x40] SCB_SCSIID[0x47]
SCB_LUN[0x0]
Apr 8 11:49:11 backup2 kernel: Kernel Free SCB list: 11 20 16 28 29 2 4
0 12 24 25 15 7 26 13 14 33 34 22 18 5 3 9 32 21 6 27 19 23 17 8 10 30
Apr 8 11:49:11 backup2 kernel: Untagged Q(4): 31
Apr 8 11:49:11 backup2 kernel: DevQ(0:0:0): 0 waiting
Apr 8 11:49:11 backup2 kernel: DevQ(0:4:0): 0 waiting
Apr 8 11:49:11 backup2 kernel:
Apr 8 11:49:11 backup2 kernel: <<<<<<<<<<<<<<<<< Dump Card State Ends
>>>>>>>>>>>>>>>>>>
Apr 8 11:49:11 backup2 kernel: (scsi0:A:4:0): Device is disconnected,
re-queuing SCB
Apr 8 11:49:11 backup2 kernel: Recovery code sleeping
Apr 8 11:49:11 backup2 kernel: (scsi0:A:4:0): Abort Message Sent
Apr 8 11:49:11 backup2 kernel: (scsi0:A:4:0): SCB 31 - Abort Completed.
Apr 8 11:49:11 backup2 kernel: Recovery SCB completes
Apr 8 11:49:11 backup2 kernel: Recovery code awake
Apr 8 11:49:11 backup2 kernel: aic7xxx_abort returns 0x2002
Apr 8 11:49:11 backup2 kernel: (scsi0:A:4:0): data overrun detected in
Data-out phase. Tag == 0x1f.
Apr 8 11:49:11 backup2 kernel: (scsi0:A:4:0): Have seen Data Phase.
Length = 512. NumSGs = 1.
Apr 8 11:49:11 backup2 kernel: sg[0] - Addr 0x08000 : Length 512
Apr 8 11:49:11 backup2 kernel: scsi0:0:4:0: Attempting to queue a
TARGET RESET message
Apr 8 11:49:11 backup2 kernel: CDB: 0xa 0x0 0x0 0x2 0x0 0x0
Apr 8 11:49:11 backup2 kernel: scsi0:0:4:0: Command not found
Apr 8 11:49:11 backup2 kernel: aic7xxx_dev_reset returns 0x2002
Apr 8 11:49:11 backup2 kernel: (scsi0:A:4:0): data overrun detected in
Data-out phase. Tag == 0x1f.
Apr 8 11:49:11 backup2 kernel: (scsi0:A:4:0): Have seen Data Phase.
Length = 512. NumSGs = 1.
Apr 8 11:49:11 backup2 kernel: sg[0] - Addr 0x08000 : Length 512

TIA

Nick

--

Nicholas Anderson
Administrador Linux/Unix
Rede Fiocruz
http://www.redefiocruz.fiocruz.br
e-mail: nicholas@fiocruz.br
Tel:(21)2598-4499


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