Public bug reported:
Bluetooth stops working after suspend to ram. Under Jaunty everything
worked properly.
When working, lsmod | grep bt shows:
btusb 14260 4
..and the bluetooth applet appears on the panel, etc. After resuming
from suspend, with or without toggling the bluetooth adapter (via key
combination, but apparently its built into the hardware), lsmod shows
"used by" of 0 instead of 4, the bluetooth applet disappears, the device
doesn't show up in lsusb anymore, and bluetooth-properties claims there
are no bluetooth adapters present.
After reboot it works normally again, including enabling and disabling
the adapter with the key combination.
Switching to a text console before pressing the key combination makes no
difference, nor does removing/reinserting btusb, or restarting
/etc/init.d/bluetooth (all of which have been tried both before and
after the key combination).
I'm not sure which package has the problem, so I've listed the versions
of several that seem potentially relevant below.
Software versions:
Ubuntu 9.10 upgraded from 9.04, amd64
bluez: 4.51-0ubuntu2
hal: 0.5.13-1ubuntu8
udev: 147~-6
kernel: 2.6.31-14-generic
Hardware:
system: Clevo M570TU laptop (a recent System76 Bonobo Professional)
BT device from lsusb:
Bus 008 Device 003: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth
Dongle (HCI mode)
** Affects: ubuntu
Importance: Undecided
Status: New
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bluetooth stops working after suspend
https://bugs.launchpad.net/bugs/474996
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