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https://bugs.launchpad.net/bugs/1072234
Title:
050d:0017 Bluetooth mouse randomly disconnects
Status in “linux” package in Ubuntu:
Incomplete
After a couple of weeks on the vanilla 3.12.0-031200rc7-generic, the
problem has not shown itself.
** Tags added: kernel-fixed-upstream-3.12.0-031200rc7-generic
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* manually adding every USB device to /etc/sysfs.conf
* adding usbcore.autosuspend = -1 to the kernel's boot arguments
* disabling /usr/lib/pm-utils/usb_bluetooth
...all do not help.
I'm fairly lost.
** Tags added: saucy
** Changed in: linux (Ubuntu)
Status: Incomplete => New
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You re
The steps in the previous comment didn't work either. It seems that
autosuspend still occurs for individual devices even when usbcore is
told not to do it. I don't know enough about the internals of the Linux
kernel to know if this is intended behaviour.
I've tried manually adding every USB device
Not good news: Sarah Sharp's patch to the USB core (mentioned above)
hasn't helped.
Now that I've *finally* found out what I should be doing in
/etc/sysfs.conf (
module/usbcore/parameters/autosuspend = -1
) I might finally be able to see if this improves things.
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And a correction: sysfsutils doesn't actually support globbing; I pieced
together this suggestion from several solutions, no wonder it didn't
work... The correct version of this workaround is to do something such
as this:
james@rainbowphoenix:~$ ls -1 /sys/bus/usb/devices/*/power/autosuspend
/sys/
I'm still investigating this bug. The situation at present is:
* Bug still present in Saucy's stock 3.11.0-13 kernel.
* Appears to be related to USB powersaving.
* Installing sysfsutils and adding the line
"bus/usb/devices/*/power/autosuspend -1" to /etc/sysfs.conf *appears* to be a
workaround.
Clarification: the kernel I am patching is from the Ubuntu kernel team's
git repository, not a 'vanilla' kernel.
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https://bugs.launchpad.net/bugs/1072234
Title:
050d:0017 B
I'll do this ASAP. It might be a while before I get a chance but I'll
give it a go. I switched to a wired mouse some months ago because of
this problem.
Thanks in advance.
On 18/07/13 04:00, Christopher M. Penalver wrote:
> James Brierley, could you please test for this in Saucy a
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