Dave Mielke <[email protected]> writes: > [quoted lines by Lars Bjørndal on 2010/04/05 at 21:53 +0200] > >>After a kernel upgrade, maybe from 2.6.31 to 2.6.32, my braille display, >>a Handy Tech Braille Star 40 on bluetooth, lags a bit. If I press a key >>on the display to scroll, it takes half a second before it reacts. I >>feel it's tied to some sleeping issues, because it doesn't happen >>always. I upgraded to yesterdays svn version of BRLTTY, and the same >>problem percists. >> >>I'm running Fedora 12 on a Lenovo Thinkpad X61S (32bit version). What >>could I do to solve this problem? > > It may be coincidental, but I've noticed posts on the USB developers list > which > have the phrase "btusb autosuspend" in their subjects. I assume that btusb > refers to Bluetooth USB donglesi, or, at least, some flavour of using > Bluetooth > via USB. Perhaps, therefore, you could try telling your system not to > autosuspend your Bluetooth USB device (assuming that's what you have). Thank you! I worked around the problem by putting the following into my /etc/rc.local file:
cd `readlink -f /sys/class/bluetooth/hci0` cd ../../../power echo 20 > autosuspend Lars _______________________________________________ This message was sent via the BRLTTY mailing list. To post a message, send an e-mail to: [email protected] For general information, go to: http://mielke.cc/mailman/listinfo/brltty
