puzzled - net access not working

From: Carlos Puchol (cpg@rocketmail.com)
Date: Sat Oct 28 2000 - 00:52:26 PDT

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    hi, i am totally puzzled.

    i have a redhat 6.2 box with an hp officejet g55 scanner attached.
    all working just fine. here is some evidence:

    $ scanimage -L
    device `hp:mlc:mlcpp0' is a Hewlett-Packard MODELx flatbed scanner
    device `net:localhost:hp:mlc:mlcpp0' is a Hewlett-Packard MODELx flatbed
    scanner
    $

    sane is sane-devel-20000802.tar.gz wrapped in a
    sane-1.0.3_0802-4 rpm, with the hpoj patches. all cool.

    now, another machine, say machine "c", not identical ("fresher" install of
    redhat 6.2, but with 2.2.17 instead of 2.2.16-3), but very similar for
    most practical purposes, with the same exact version of sane installed
    (recompiled afresh in the "c" machine):

    $ scanimage -L
    $

    ok ... there most be some config problem, no?
    i tried changing all the config files and such ...
    nothing i did could change any of this.

    the puzzling thing is that it just does NOT seem to read the
    config files, just the v4l.conf one! why??

    $ strace scanimage -L 2>&1 | grep open
    open("/etc/ld.so.preload", O_RDONLY) = -1 ENOENT (No such file or directory)
    open("/etc/ld.so.cache", O_RDONLY) = 3
    open("/opt/hpoj-0.6/lib/libptal.so.0", O_RDONLY) = 3
    open("/usr/lib/sane/libsane.so.1", O_RDONLY) = 3
    open("/lib/libdl.so.2", O_RDONLY) = 3
    open("/lib/libnsl.so.1", O_RDONLY) = 3
    open("/usr/lib/libjpeg.so.62", O_RDONLY) = 3
    open("/lib/libm.so.6", O_RDONLY) = 3
    open("/lib/libc.so.6", O_RDONLY) = 3
    open("/usr/lib/libsnmp.so.0", O_RDONLY) = 3
    open("./v4l.conf", O_RDONLY) = -1 ENOENT (No such file or directory)
    open("/etc/sane.d/v4l.conf", O_RDONLY) = 3
    $

    i have tried to look at the source code a bit, but it doesn't
    jump at me. i looked at permissions, etc. nothing...

    # ll -a /etc/sane.d/
    total 11
    drwxr-xr-x 2 root root 1024 Oct 28 00:55 .
    drwxr-xr-x 37 root root 3072 Oct 28 00:55 ..
    -rw-r--r-- 1 root root 854 Oct 28 00:55 dc210.conf
    -rw-r--r-- 1 root root 75 Oct 27 17:50 dll.conf
    -rw-r--r-- 1 root root 31 Oct 27 17:50 hp.conf
    -rw-r--r-- 1 root root 312 Oct 27 17:51 net.conf
    -rw-r--r-- 1 root root 391 Oct 28 00:55 qcam.conf
    -rw-r--r-- 1 root root 625 Oct 28 00:55 saned.conf
    -rw-r--r-- 1 root root 0 Oct 27 17:55 v4l.conf
    #

    # printenv | grep -i sane
    SANE_NET_HOSTS=scanner.mydomain.com
    # tail -1 net.conf
    scanner.mydomain.com
    # cat dll.conf
    # enable the next line if you want to allow access through the network:
    net
    hp
    #

    any ideas what is wrong?
    i have a hunch it is something totally stupid ...

    yours puzzled,

    -carlos

    =====
    C. Puchol <cpg@rocketmail.com>

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