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bluetooth dongle: Connection timed out (110)
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DMoL
Tux's lil' helper
Tux's lil' helper


Joined: 07 May 2006
Posts: 100
Location: Minsk, Belarus

PostPosted: Fri Jul 24, 2015 8:16 am    Post subject: bluetooth dongle: Connection timed out (110) Reply with quote

Hello!

I have noted the strange behavior: after sleep(?) BT usb dongle in my notebook says "Connection timed out (110)".

Quote:

hydra ~ # hciconfig hci0 down
hydra ~ # hciconfig hci0 up
Can't init device hci0: Connection timed out (110)
hydra ~ # hciconfig hci0 reset
Can't init device hci0: Connection timed out (110)


If I physically eject/inject it, than it works fine.

USB-ports are usually fragile part of notebook, i.e. they work buggy due to wear. Is it possible to do power-off/power-on electrically on usb port, i.e. without eject/inject? Any other advices?

Thanks for any help

WBR,
basiliscos
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Logicien
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Joined: 16 Sep 2005
Posts: 1369
Location: Montréal

PostPosted: Fri Jul 24, 2015 5:01 pm    Post subject: Reply with quote

You have a tipical Power saving issue. A device do not respond after resume. Did you try to restart the bluetooth service
Code:
rc-service bluetooth restart

using Openrc or
Code:
systemctl restart bluetooth

with Systemd?

If I was you, I would make a search on Power saving on Linux related with Bluetooth and Usb devices. Reloading the related modules after resume may solve the problem. Some configuration options before power saving may prevent the issue. This is what you are looking for.
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Paul
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DMoL
Tux's lil' helper
Tux's lil' helper


Joined: 07 May 2006
Posts: 100
Location: Minsk, Belarus

PostPosted: Mon Jul 27, 2015 4:21 pm    Post subject: Reply with quote

Logicien wrote:
You have a tipical Power saving issue. A device do not respond after resume. Did you try to restart the bluetooth service
Code:
rc-service bluetooth restart

using Openrc or
Code:
systemctl restart bluetooth

with Systemd?



Thanks, but it doesn't helped as well as reloading btusb and bluetooth modules. I'll follow your advice to google for Power saving issues.

wbr, basiliscos
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Roman_Gruber
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Joined: 03 Oct 2006
Posts: 3806
Location: Austro Bavaria

PostPosted: Mon Jul 27, 2015 7:21 pm    Post subject: Reply with quote

Quote:
USB-ports are usually fragile part of notebook, i.e. they work buggy due to wear. Is it possible to do power-off/power-on electrically on usb port, i.e. without eject/inject?


Quite easy with an usb extension cable. you plug in that bluetooth stick into the extension cable, and the other end of that extension cable into the computer. than you unplug the bluetooth stick from the cable.
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