Hi Alex, On Mon, Jun 24, 2013, Alex Deymo wrote: > The timelime for the bug is the following. > 1. Due a previous "btmgmt power on" we are interacting with the > bluetooth controller. There are 3 commands queued. The last command > sent was a HCI_Write_Scan_Enable. The kernel should only respond to the mgmt_set_powered once *all* HCI commands are completed. Maybe you're missing the following patch from your kernel: commit 229ab39caf8c1321527e408725c1350f7c9aaa84 Author: Johan Hedberg <johan.hedberg@xxxxxxxxx> Date: Fri Mar 15 17:06:53 2013 -0500 Bluetooth: Wait for HCI command completion with mgmt_set_powered Johan -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html