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    SubjectRe: Linux 2.6.0-test3
    Linus Torvalds wrote:

    [...]

    > Oliver Neukum:
    > o USB: error return codes in usblp
    > o USB: cleanup of usblp (release and poll)
    > o USB: fix race condition in usblp_write

    [...]

    Well, I cannot finish printing anything now and I believe, that one of
    above is responsible.
    It looks as if printer gets some amount of data but then communication
    'stops' and printer waits for more data (usually I have about 2cm
    of page printed, paper locked and later printer error leds start
    blinking happily :)

    Not sure, if it's directly related, but system seems to be less
    responsive later.

    Version of usblp.c from 2.6.0-test2 compiled with 2.6.0-test3 does
    not work as I expected (I can load module, but printer is not
    detected - no usual 'usblp0: USB Unidirectional printer dev 3 if 0 alt 1
    proto 2 vid 0x03F0 pid' message in logs).

    I traced my problem down to -test2-bk2 (with bk1 everything works
    correctly).

    o Printer is connected to /dev/usb/lp0; it's HP840c
    o ver_linux output: http://zeus.polsl.gliwice.pl/kernel/2.6.0-test3/ver_linux
    o config: http://zeus.polsl.gliwice.pl/kernel/2.6.0-test3/config
    o dmesg: http://zeus.polsl.gliwice.pl/kernel/2.6.0-test3/dmesg
    o /proc/bus/usb/devices: http://zeus.polsl.gliwice.pl/kernel/2.6.0-test3/devices
    o some related logs: http://zeus.polsl.gliwice.pl/kernel/2.6.0-test3/logs

    Any suggestions are welcome :)

    jk

    --
    Jacek Kawa
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