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    SubjectMore info on trouble with new Adaptec 2940 code in 2.0.13/14
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    Here is some info about my problem with an adaptec 2940 and a Wangtek
    tape. When the machine hangs I get the following output:

    SCSI0 Parity error during phase Data-Out on target 4, channel 0, lun0.
    SCSI0 Parity error during phase Data-Out on target 4, channel 0, lun0.
    SCSI0 channel 0: resetting for second half of retries.
    SCSI bus is being reset for host 0 channel 0
    aic7xxx: (reset) target/channel 4/0
    aic7xxx: (reset_device) target/channel -1/A to scb 4/A
    aic7xxx: (match_scb) comparing target/channel -1/A to scb 4/A
    aic7xxx: (reset_device) aborting SCB1, TCL=4/0/0
    aic7xxx: (match_scb) comparing target/channel -1/A to scb 4/A
    aic7xxx: (reset_device) aborting SCB1, TCL=4/0/0
    aic7xxx: (match_scb) comparing target/channel -1/A to scb 4/A
    aic7xxx: (reset_channel) Resetting current channel
    aic7xxx: (reset_channel) Chanel reset, sequencer restarted

    After this it's completely dead.

    On bootup I get the following information about the scsi-card and
    tape/disks:


    aic7xxx: BurstLen = 8 DWDs, Latency Timer = 64 PCLKS
    aic7xxx: AHA-2940 Rev B.
    aic7xxx: devconfig = 0x500.
    aic7xxx: Reading SEEPROM...done.
    aic7xxx: Extended translation enabled.
    aic7xxx: Memory check yields 16 SCBs, paging not enabled.
    AHA-2940 (PCI-bus), I/O 0xfc00, Mem 0xfffbf000:
    irq 11
    bus release time 40 bclks
    data fifo threshold 100%
    SCSI CHANNEL A:
    scsi id 7
    scsi selection timeout 256 ms
    scsi bus reset at power-on enabled
    scsi bus parity enabled
    scsi bus termination (low byte) disabled
    aic7xxx: Downloading sequencer code...done.
    aic7xxx: Resetting the SCSI bus...done.
    scsi0 : Adaptec AHA274x/284x/294x (EISA/VLB/PCI-Fast SCSI) 3.4/3.2/3.1
    scsi : 1 host.
    scsi0: Scanning channel A for devices.
    scsi0: Target 0, channel A, now synchronous at 10.0MHz, offset 15.
    Vendor: Quantum Model: XP34300 Rev: 81HB
    Type: Direct-Access ANSI SCSI revision: 02
    Detected scsi disk sda at scsi0, channel 0, id 0, lun 0
    scsi0: Target 3, channel A, refusing synchronous negotiation; using
    asynchronous transfers.
    Vendor: DEC Model: TLZ04 1989(C)DEC Rev: 1615
    Type: Sequential-Access ANSI SCSI revision: 02
    Detected scsi tape st0 at scsi0, channel 0, id 3, lun 0
    scsi0: Target 4, channel A, now synchronous at 10.0MHz, offset 15.
    Vendor: COMPAQ Model: ST15150N Rev: 5216
    Type: Direct-Access ANSI SCSI revision: 02
    Detected scsi disk sdb at scsi0, channel 0, id 4, lun 0
    scsi0: Target 5, channel A, refusing synchronous negotiation; using
    asynchronous transfers.
    Vendor: WANGTEK Model: 5150ES SCSI FA23 Rev: 08
    Type: Sequential-Access ANSI SCSI revision: 01
    Detected scsi tape st1 at scsi0, channel 0, id 5, lun 0
    scsi0: Target 6, channel A, now synchronous at 5.0MHz, offset 12.
    Vendor: NEC Model: CD-ROM DRIVE:500 Rev: 2.5
    Type: CD-ROM ANSI SCSI revision: 02
    Detected scsi CD-ROM sr0 at scsi0, channel 0, id 6, lun 0
    scsi : detected 2 SCSI tapes 1 SCSI cdrom 2 SCSI disks total.
    SCSI device sda: hdwr sector= 512 bytes. Sectors= 8399520 [4101 MB] [4.1
    GB]
    SCSI device sdb: hdwr sector= 512 bytes. Sectors= 8386000 [4094 MB] [4.1
    GB]


    The error appears everytime I try to read a tape from /dev/st1 and didn't
    appear in 2.0.12


    /Alex
    - --
    +-----------------------+---------------------------------------------+
    | Alex Frausin | Linux > Solaris, HP-UX, BSD, MacOS, Win95.. |
    | | |
    | | Opinions all mine |
    | Phone +46 31 772 8328 | http://alice.gd.chalmers.se/~alex |
    | | |
    +-----------------------+---------------------------------------------+

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