RE: [PARPORT] Redhat 7.1 & HP 5300C scanner

From: Fernando Pando (fpando@nyc.rr.com)
Date: Mon Jul 02 2001 - 14:40:18 EDT

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    ok, so the problem is with the epst module.

    Joshua Jore mentioned the possibility that the driver is outdated and
    support for the HP5300C epst chip hasn't been written yet.

    Just in case im doing something wrong and there is support for the chip, I
    thought i'd post some more debugging info.

    I was able to generate more debugging info, following Eric Lamarque's
    advice:

    ---------------------------------------------------------------------------
    loading the module:

    [root@oort log]# insmod epst verbose=4
    Using /lib/modules/2.4.2-2/kernel/drivers/scsi/epst.o
    /lib/modules/2.4.2-2/kernel/drivers/scsi/epst.o: init_module: No such device
    Hint: insmod errors can be caused by incorrect module parameters, including
    invalid IO or IRQ parameters
    ----------------------------------------------------------------------------

    resulting /var/log/messages:

    Jul 2 19:09:46 oort kernel: epst.0: 0x378 is parport0
    Jul 2 19:09:46 oort kernel: epst.0: version code reads: 0xc7
    Jul 2 19:09:46 oort kernel: epst.0: port 0x378 mode 0 test failed (1,-1,0)
    Jul 2 19:09:46 oort kernel: epst.0: version code reads: 0x47
    Jul 2 19:09:46 oort kernel: epst.0: port 0x378 mode 1 test failed (1,-1,0)
    Jul 2 19:09:46 oort kernel: epst.0: version code reads: 0xc7
    Jul 2 19:09:46 oort kernel: epst.0: port 0x378 mode 2 test failed (1,-1,0)
    ----------------------------------------------------------------------------
    -

    thanks in advance,
    fernando pando

    -----Original Message-----
    From: owner-linux-parport@gear.torque.net
    [mailto:owner-linux-parport@gear.torque.net]On Behalf Of Eric Lamarque
    Sent: Monday, July 02, 2001 10:09 PM
    To: Fernando Pando
    Cc: Tim Waugh; linux-parport@torque.net
    Subject: Re: [PARPORT] Redhat 7.1 & HP 5300C scanner

    Fernando Pando a écrit :
    > here is some log file output:
    >
    > [root@oort log]# dmesg|grep parport
    > parport0: PC-style at 0x378 [PCSPP,TRISTATE]
    > parport0: Found 1 daisy-chained devices
    > parport0: No more nibble data (0 bytes)
    > parport0: faking semi-colon
    > parport0 probe: warning, class 'IMAGE' not understood.
    > parport0 (addr 0): Unknown device, Hewlett-Packard Hewlett-Packard ScanJet
    > 5300C
    >
    You seem to be more lucly than me, here's my dmesg with the same
    procedure:
     parport0: PC-style at 0x378 [SPP]
     parport1: PC-style at 0x278 [SPP,PS2,EPP]
     parport0: no IEEE-1284 device present.
     parport1: no IEEE-1284 device present.

    my scanner is on parport1

    >
    > [root@oort log]# modprobe ppscsi verbose=4
    > /lib/modules/2.4.2-2/kernel/drivers/scsi/ppscsi.o: invalid parameter
    > parm_verbose
    Here, you must try: > insmod ppscsi
    > insmod epst verbose=4

    your dmesg will be full of epst traces:
     ppSCSI 0.91 (0.91) installedepst.1: version code reads: 0x77
     epst.1: version code reads: 0x77
     epst.1: port 0x378 mode 0 test failed (1,-1,0)
     epst.1: version code reads: 0x4f
     epst.1: port 0x378 mode 1 test failed (1,-1,0)
     epst.1: version code reads: 0x2b
     epst.1: port 0x378 mode 2 test failed (1,-1,0)
     epst.1: version code reads: 0x2
     epst.1: port 0x378 mode 3 test failed (1,-1,0)
     epst.1: version code reads: 0x2
     epst.1: port 0x378 mode 4 test failed (1,-1,0)
     epst.1: version code reads: 0x2
     epst.1: port 0x378 mode 5 test failed (1,-1,0)
     epst.2: version code reads: 0x77
     epst.2: port 0x278 mode 0 test failed (1,-1,0)
     epst.2: version code reads: 0x4f
     epst.2: port 0x278 mode 1 test failed (1,-1,0)
     epst.2: version code reads: 0x2b
     epst.2: port 0x278 mode 2 test failed (1,-1,0)
     epst.2: version code reads: 0xb
     epst.2: port 0x278 mode 3 test failed (1,-1,0)
     epst.2: version code reads: 0xb
     epst.2: port 0x278 mode 4 test failed (1,-1,0)
     epst.2: version code reads: 0xb
     epst.2: port 0x278 mode 5 test failed (1,-1,0)
     epst.3: version code reads: 0xff
     epst.3: port 0x3bc mode 0 test failed (1,-1,0)
     epst.3: version code reads: 0xff
     epst.3: port 0x3bc mode 1 test failed (1,-1,0)
     epst.3: version code reads: 0xff
     epst.3: port 0x3bc mode 2 test failed (1,-1,0)
     scsi : 0 hosts.

    In my case, the parallel port returns the same values on the
    two physical parallel port, even if there is device plug on it.

    If you've done some other experience with your scanner...
    INFO: distrib MDK7.x linux 2.2.1[47]-mdk

    Eric

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