Red Hat Bugzilla – Bug 716479
mouse connection often broken
Last modified: 2012-08-07 11:21:32 EDT
Description of problem:
I'm using bluetooth mouse A4Tech BT 630. Or at least I'm trying to use, because after few seconds of idleness, bt connection between Linux and mouse is broken, and I have to re-establish it in bluez-appet.
I've tested this mouse with MS Windows and there is no problem there.
Mouse manual claims following sleep modes and way to wake up:
mode / delay (how long in idle) / way to wake up
slight sleep / 2 seconds / moving mouse
middle sleep / 4 seconds / moving mouse
deep sleep / 5 minutes / clicking
In Linux, after mouse enter deep sleep, connection is broken and clicking won't help.
My bt dongle is connected via usb:
Bus 002 Device 007: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode)
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Pair the mouse
2. Let mouse idle for few minutes
3. Attempt to wakeup mouse by clicking and moving cursor
BT connection to mouse is broken.
as I got the same mouse, I could do a little investigation.
Curiously, I have this problem in (test) Windoze, even with A4tech "drivers" installed and loaded.
But let's return to Linux and my workaround.
for me, the solution is to make very little "program" in shell, that continuously (even if l2ping dies) issues:
l2ping -c 2 -d 120 'mouse_address'
I launch it from rc.local
Didn't tested battery life with this hack.
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