Please disregard this email thread as this is has been identified as a bluetooth driver issue. Email has been forward to the linux-bluetooth email address. On Mon, Jan 30, 2017 at 11:34 PM, Leif Liddy <leif.linux@xxxxxxxxx> wrote: > Hello, > > I have a Samsung ATIV Book 9 12.2 (2015) that has an Atheros bluetooth > controller that's connect to the internal usb bus. > > Bus 001 Device 002: ID 0cf3:e300 Atheros Communications, Inc. > > After I suspend and resume the laptop, I can longer connect to the > bluetooth controller. The systems log shows the following: > > 193.828240] Bluetooth: hci0 command 0x200c tx timeout > [11195.876185] Bluetooth: hci0 command 0x200b tx timeout > [11197.923994] Bluetooth: hci0 command 0x200c tx timeout > [11199.971846] Bluetooth: hci0 command 0x200c tx timeout > ... > > **I normally have to suspend it for at least 10-20 minutes before this > occurs. If I suspend the laptop for just a few minutes, there's no > issue. > > I have tried almost everything to get the bluetooth controller back > online. I've unload/loaded all bluetooth (and network) modules, tried > restarting the bluetooth service. > > Nothing worked until I tried: > echo 0 > /sys/bus/usb/devices/1-4/authorized > echo 1 > /sys/bus/usb/devices/1-4/authorized > > This brings the bluetooth controller back online immediately. I would > like to know if there's is a kernel-level fix for this issue. I just > need someone to point me in the right direction to identify the source > of this issue. I can provide you with any system information or logs > that you need. I'm pretty sure this is a usb-specific issue not a > bluetooth one, but I could be wrong. > > I'm running Fedora 25 with the latest stable kernel: 4.9.5-200.fc25.x86_64 > > Thanks! > > -Leif Liddy -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
