Re: acer 620 u

From: Ramprasad Rao (ramp@oddjob.uchicago.edu)
Date: Sun Aug 20 2000 - 10:35:12 PDT

  • Next message: D Milburn: "Re: acer 620 u"

    Steve/Duncan,

    I did try sane-1.0.3 and same problem.

    # find-scanner -v /dev/usbscanner
    find-scanner: searching for scanners:
    find-scanner: checking /dev/usbscanner... open ok

    (and then hangs)

    # scanimage -L
    Segmentation fault

    # strace scanimage -L
    --------- Relevant info -----
    munmap(0x30016000, 4096) = 0
    stat("/dev/scanner", {st_mode=0, st_size=0, ...}) = 0
    semget(872889402, 1, IPC_CREAT|0x1b0|0660) = 0
    semop(0, 0x1, 0, 0xfd96756) = 0
    open("/dev/usbscanner", O_RDWR) = 7
    SYS_174(0, 0x7fffd910, 0x7fffd990, 0x8, 0x60) = 0
    semop(0, 0x1, 0, 0xfd96750) = 0
    write(7, "\22\0\0\0$\0", 6) = 6
    read(7, "\371\0\0\0\0\0\0\0", 8) = 8
    read(7, "\6\0\2\2I\0\0\0Color FlatbedSc"..., 36) = 36
    read(7, "\373\0\0\0\0\0\0\0", 8) = 8
    semop(0, 0x1, 0, 0xfd96756) = 0
    SYS_174(0x2, 0x7fffd990, 0, 0x8, 0xfd96756) = 0
    --- SIGSEGV (Segmentation fault) ---
    +++ killed by SIGSEGV +++
    ------------ End strace info ----------------

    The scanner is definitely detected and I can see it in /proc/bus/usb/devices.
    I am beginning to wonder if doing that firmware stuff was correct. Can
    anyone explain what the firmware stuff does.

    - Ramprasad

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