[BRLTTY] Kernel 2.6.21 USB issues

[Jason White]

Here is some of the debug output I collected. Note that it keeps cycling
through the autodetect procedure for all of the models of braille display that
have USB support.

Jun  9 10:43:10 jpc brltty[5396]: checking braille device: usb:
Jun  9 10:43:10 jpc brltty[5396]: performing USB braille display autodetection.
Jun  9 10:43:10 jpc brltty[5396]: checking for 'al' braille display.
Jun  9 10:43:10 jpc brltty[5396]: initializing braille driver: al -> usb:
Jun  9 10:43:10 jpc brltty[5396]: USB Root: /proc/bus/usb
Jun  9 10:43:10 jpc brltty[5396]: linking local socket lock: File exists
Jun  9 10:43:10 jpc brltty[5396]: socket 1 established (fd 10)
Jun  9 10:43:10 jpc brltty[5396]: USB: testing: vendor=0000 product=0000
Jun  9 10:43:10 jpc brltty[5396]: socket 0 established (fd 9)
Jun  9 10:43:10 jpc brltty[5396]: USB: testing: vendor=0403 product=FE72
Jun  9 10:43:10 jpc brltty[5396]: USB: testing: vendor=0000 product=0000
Jun  9 10:43:10 jpc brltty[5396]: USB: testing: vendor=050D product=0109
Jun  9 10:43:10 jpc brltty[5396]: USB: testing: vendor=0000 product=0000
Jun  9 10:43:10 jpc brltty[5396]: USB device not found.
Jun  9 10:43:10 jpc brltty[5396]: braille driver initialization failed: al -> usb:
Jun  9 10:43:10 jpc brltty[5396]: checking for 'bm' braille display.
Jun  9 10:43:10 jpc brltty[5396]: initializing braille driver: bm -> usb:
Jun  9 10:43:10 jpc brltty[5396]: USB Root: /proc/bus/usb
Jun  9 10:43:10 jpc brltty[5396]: USB: testing: vendor=0000 product=0000
Jun  9 10:43:10 jpc brltty[5396]: USB: testing: vendor=0403 product=FE72
Jun  9 10:43:10 jpc brltty[5396]: USB Language: 409
Jun  9 10:43:10 jpc brltty[5396]: USB: Manufacturer Name: HumanWare
Jun  9 10:43:10 jpc brltty[5396]: USB: Product Description: Brailliant 40
Jun  9 10:43:10 jpc brltty[5396]: USB: Serial Number: 25000072
Jun  9 10:43:10 jpc brltty[5396]: USB: ept=81 dir=in xfr=blk pkt=64 ivl=0ms
Jun  9 10:43:10 jpc brltty[5396]: USB: ept=02 dir=out xfr=blk pkt=64 ivl=0ms
Jun  9 10:43:11 jpc brltty[5396]: USB: ept=81 dir=in xfr=blk pkt=64 ivl=0ms
Jun  9 10:43:11 jpc brltty[5396]: USB Root: /proc/bus/usb
Jun  9 10:43:11 jpc brltty[5396]: USB: testing: vendor=0000 product=0000
Jun  9 10:43:11 jpc brltty[5396]: USB: testing: vendor=0403 product=FE72
Jun  9 10:43:11 jpc brltty[5396]: USB Language: 409
Jun  9 10:43:11 jpc brltty[5396]: USB: Manufacturer Name: HumanWare
Jun  9 10:43:11 jpc brltty[5396]: USB: Product Description: Brailliant 40
Jun  9 10:43:11 jpc brltty[5396]: USB: Serial Number: 25000072
Jun  9 10:43:11 jpc brltty[5396]: USB: ept=81 dir=in xfr=blk pkt=64 ivl=0ms
Jun  9 10:43:11 jpc brltty[5396]: USB: ept=02 dir=out xfr=blk pkt=64 ivl=0ms
Jun  9 10:43:11 jpc brltty[5396]: USB: ept=81 dir=in xfr=blk pkt=64 ivl=0ms
Jun  9 10:43:11 jpc brltty[5396]: USB Root: /proc/bus/usb
Jun  9 10:43:11 jpc brltty[5396]: USB: testing: vendor=0000 product=0000
Jun  9 10:43:11 jpc brltty[5396]: USB: testing: vendor=0403 product=FE72
Jun  9 10:43:11 jpc brltty[5396]: USB Language: 409
Jun  9 10:43:11 jpc brltty[5396]: USB: Manufacturer Name: HumanWare
Jun  9 10:43:11 jpc brltty[5396]: USB: Product Description: Brailliant 40
Jun  9 10:43:11 jpc brltty[5396]: USB: Serial Number: 25000072
Jun  9 10:43:11 jpc brltty[5396]: USB: ept=81 dir=in xfr=blk pkt=64 ivl=0ms
Jun  9 10:43:11 jpc brltty[5396]: USB: ept=02 dir=out xfr=blk pkt=64 ivl=0ms
Jun  9 10:43:12 jpc brltty[5396]: USB: ept=81 dir=in xfr=blk pkt=64 ivl=0ms
Jun  9 10:43:12 jpc brltty[5396]: braille driver initialization failed: bm -> usb:
Jun  9 10:43:12 jpc brltty[5396]: checking for 'fs' braille display.