This is reported against an old version of Ubuntu and many things has changed since then. Because of that we won't fix this issue however if this behavior repeats on a modern version please fill a bug report against it and we will take it from there.
** Changed in: bluez (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to bluez in Ubuntu. https://bugs.launchpad.net/bugs/608657 Title: [Toshiba U300] When turned on, Bluetooth continually switches on and off Status in bluez package in Ubuntu: Invalid Bug description: This bug seems to only apply to the Toshiba U300; Bluetooth works perfectly on a Macbook 6,1. If Bluetooth is turned on, it toggles on and off very quickly, forever, until I turn off bluetooth in bluetooth-applet. Here's the suspect contents of daemon.log: Jul 21 19:11:22 meina-laptop bluetoothd[2142]: HCI dev 0 down Jul 21 19:11:22 meina-laptop bluetoothd[2142]: Adapter /org/bluez/2141/hci0 has been disabled Jul 21 19:11:22 meina-laptop bluetoothd[2142]: Stopping security manager 0 Jul 21 19:11:23 meina-laptop bluetoothd[2142]: HCI dev 0 up Jul 21 19:11:23 meina-laptop bluetoothd[2142]: Starting security manager 0 Jul 21 19:11:23 meina-laptop bluetoothd[2142]: Adapter /org/bluez/2141/hci0 has been enabled Jul 21 19:11:23 meina-laptop bluetoothd[2142]: HCI dev 0 down Jul 21 19:11:23 meina-laptop bluetoothd[2142]: Adapter /org/bluez/2141/hci0 has been disabled Jul 21 19:11:23 meina-laptop bluetoothd[2142]: Stopping security manager 0 Jul 21 19:11:23 meina-laptop bluetoothd[2142]: HCI dev 0 up Jul 21 19:11:23 meina-laptop bluetoothd[2142]: Starting security manager 0 Jul 21 19:11:24 meina-laptop bluetoothd[2142]: Adapter /org/bluez/2141/hci0 has been enabled Installed packages: bluetooth 4.64-0ubuntu1 bluez 4.64-0ubuntu1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bluez/+bug/608657/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp