[PARPORT] lp: driver loaded but no devices found...

From: Tim Conlan (hipcat@ansonic.com.au)
Date: Tue Aug 22 2000 - 20:11:50 EDT

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    I'm having trouble with the parport stuff & linux-2.4.0-test4. It seems that
    the modules load ok, but the lp module complains "lp: driver loaded but no
    devices found". so i went to the mailling list archives, and read all the
    docs to no avail. heres what i get in the logs when i load the modules:

    kernel: 0x378: FIFO is 16 bytes
    kernel: 0x378: writeIntrThreshold is 16
    kernel: 0x378: readIntrThreshold is 16
    kernel: parport0: PC-style at 0x378 (0x778) [PCSPP,TRISTATE,COMPAT,EPP,ECP]
    kernel: parport0: irq 7 detected
    kernel: parport0: Printer, HEWLETT-PACKARD DESKJET 870C
    kernel: lp: driver loaded but no devices found

    so the parport module is obviously loading correctly, and setting the port
    to parport0, and even seeing my printer. in conf.modules i added a line
    saying "alias parport_lowlevel parport_pc" (redhat 6.2). actually it was
    already there, so i deleted it & tried the modules, but that made no
    difference anyway, so i stuck it back in :)

    lsmod gives me this:

    Module Size Used by
    parport_pc 18960 0
    lp 5224 0
    parport 27424 0 (autoclean) [parport_pc lp]
    [..other modules go here..]

    so the modules are loading ok.

    when i delete the lp module using "rmmod lp" & re-install it using "insmod
    lp parport=0" it loads ok:

    [root@ansonic log]# rmmod lp
    [root@ansonic log]# insmod lp parport=0
    Using /lib/modules/2.4.0-test4/misc/lp.o
    [root@ansonic log]#

    but in the logs:

    Aug 23 10:09:25 ansonic kernel: lp: driver loaded but no devices found

    the same setup worked ok for 2.2.16, so i'm guessing it's a 2.4.0-test4
    thing.. maybe maybe not. i dunno. any help would be appreciated :)

    cheers :)

    Tim Conlan.

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