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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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