The bug is still there. I triggered it by plugin a nexus7 and issuing phablet-flash again.
I noticed a burst of messages (hundreds) in /var/log/syslog of the form: Jun 6 09:13:48 saw kernel: [ 2138.793971] usb 2-4: clear tt 4 (9072) error -71 BUT while typing this, I unplug/replug a bunch of usb devices (including the bt dongle) and Jun 6 09:22:56 saw kernel: [ 2687.003663] usb 2-4: clear tt 4 (9072) error -71 Jun 6 09:22:56 saw kernel: [ 2687.011655] usb 2-4: clear tt 4 (9072) error -71 Jun 6 09:22:56 saw kernel: [ 2687.019167] usb 2-4: USB disconnect, device number 4 Jun 6 09:22:56 saw kernel: [ 2687.019171] usb 2-4.1: USB disconnect, device number 5 Jun 6 09:22:56 saw kernel: [ 2687.019715] usb 2-4: clear tt 4 (9072) error -71 Jun 6 09:22:56 saw kernel: [ 2687.092813] usb 2-4.2: USB disconnect, device number 8 Jun 6 09:22:56 saw kernel: [ 2687.093101] usb 2-4.3: USB disconnect, device number 6 Jun 6 09:22:56 saw kernel: [ 2687.203285] usb 2-4.4: USB disconnect, device number 7 Jun 6 09:22:57 saw bluetoothd[1853]: hci0: Remove UUID (0x0011) failed: Not Powered (0x0f) Jun 6 09:22:57 saw bluetoothd[1853]: Adapter /org/bluez/1853/hci0 has been disabled Jun 6 09:22:57 saw bluetoothd[1853]: Unregister path: /org/bluez/1853/hci0 Jun 6 09:22:57 saw bluetoothd[1853]: Endpoint unregistered: sender=:1.57 path=/MediaEndpoint/HFPAG Jun 6 09:22:57 saw bluetoothd[1853]: Endpoint unregistered: sender=:1.57 path=/MediaEndpoint/HFPHS Jun 6 09:22:59 saw kernel: [ 2689.684651] usb 2-4: new high-speed USB device number 9 using ehci-pci Jun 6 09:22:59 saw kernel: [ 2689.824010] usb 2-4: New USB device found, idVendor=05e3, idProduct=0610 Jun 6 09:22:59 saw kernel: [ 2689.824016] usb 2-4: New USB device strings: Mfr=1, Product=2, SerialNumber=0 Jun 6 09:22:59 saw kernel: [ 2689.824020] usb 2-4: Product: USB2.0 Hub Jun 6 09:22:59 saw kernel: [ 2689.824023] usb 2-4: Manufacturer: GenesysLogic Jun 6 09:22:59 saw kernel: [ 2689.825084] hub 2-4:1.0: USB hub found Jun 6 09:22:59 saw kernel: [ 2689.826130] hub 2-4:1.0: 4 ports detected Jun 6 09:22:59 saw kernel: [ 2690.108797] usb 2-4.3: new low-speed USB device number 10 using ehci-pci Jun 6 09:22:59 saw kernel: [ 2690.203586] usb 2-4.3: New USB device found, idVendor=0461, idProduct=4d15 Jun 6 09:22:59 saw kernel: [ 2690.203591] usb 2-4.3: New USB device strings: Mfr=0, Product=2, SerialNumber=0 Jun 6 09:22:59 saw kernel: [ 2690.203594] usb 2-4.3: Product: USB Optical Mouse Jun 6 09:22:59 saw kernel: [ 2690.205813] input: USB Optical Mouse as /devices/pci0000:00/0000:00:1d.7/usb2/2-4/2-4.3/2-4.3:1.0/input/input21 Jun 6 09:22:59 saw kernel: [ 2690.206086] hid-generic 0003:0461:4D15.000B: input,hidraw3: USB HID v1.11 Mouse [USB Optical Mouse] on usb-0000:00:1d.7-4.3/input0 Jun 6 09:23:00 saw kernel: [ 2690.280613] usb 2-4.4: new full-speed USB device number 11 using ehci-pci Jun 6 09:23:00 saw kernel: [ 2690.585980] usb 2-4.4: New USB device found, idVendor=0a12, idProduct=0001 Jun 6 09:23:00 saw kernel: [ 2690.585986] usb 2-4.4: New USB device strings: Mfr=0, Product=2, SerialNumber=0 Jun 6 09:23:00 saw kernel: [ 2690.585989] usb 2-4.4: Product: BT2.0 Jun 6 09:23:00 saw mtp-probe: checking bus 2, device 10: "/sys/devices/pci0000:00/0000:00:1d.7/usb2/2-4/2-4.3" Jun 6 09:23:00 saw mtp-probe: bus: 2, device: 10 was not an MTP device Jun 6 09:23:00 saw bluetoothd[1853]: sap-dummy interface org.bluez.SimAccessTest init failed on path /org/bluez/test Jun 6 09:23:00 saw bluetoothd[1853]: Sap driver initialization failed. Jun 6 09:23:00 saw bluetoothd[1853]: sap-server: Operation not permitted (1) Jun 6 09:23:00 saw bluetoothd[1853]: Unknown command complete for opcode 19 Jun 6 09:23:00 saw bluetoothd[1853]: Endpoint registered: sender=:1.57 path=/MediaEndpoint/HFPAG Jun 6 09:23:00 saw bluetoothd[1853]: Endpoint registered: sender=:1.57 path=/MediaEndpoint/HFPHS Jun 6 09:23:00 saw bluetoothd[1853]: Endpoint registered: sender=:1.57 path=/MediaEndpoint/A2DPSource Jun 6 09:23:00 saw bluetoothd[1853]: Endpoint registered: sender=:1.57 path=/MediaEndpoint/A2DPSink Jun 6 09:23:00 saw bluetoothd[1853]: Adapter /org/bluez/1853/hci0 has been enabled Jun 6 09:23:01 saw kernel: [ 2691.995055] usb 2-4.2: new high-speed USB device number 12 using ehci-pci Jun 6 09:23:01 saw kernel: [ 2692.099835] usb 2-4.2: New USB device found, idVendor=18d1, idProduct=d002 Jun 6 09:23:01 saw kernel: [ 2692.099840] usb 2-4.2: New USB device strings: Mfr=2, Product=3, SerialNumber=4 Jun 6 09:23:01 saw kernel: [ 2692.099843] usb 2-4.2: Product: Nexus 7 Jun 6 09:23:01 saw kernel: [ 2692.099846] usb 2-4.2: Manufacturer: Asus Jun 6 09:23:01 saw kernel: [ 2692.099849] usb 2-4.2: SerialNumber: 015d21d4fd581613 Jun 6 09:23:01 saw mtp-probe: checking bus 2, device 12: "/sys/devices/pci0000:00/0000:00:1d.7/usb2/2-4/2-4.2" Jun 6 09:23:01 saw mtp-probe: bus: 2, device: 12 was not an MTP device Jun 6 09:23:03 saw kernel: [ 2693.841298] usb 2-4.2: USB disconnect, device number 12 Jun 6 09:23:13 saw kernel: [ 2703.761057] usb 2-4.2: new high-speed USB device number 13 using ehci-pci Jun 6 09:23:13 saw kernel: [ 2703.865432] usb 2-4.2: New USB device found, idVendor=18d1, idProduct=d001 Jun 6 09:23:13 saw kernel: [ 2703.865438] usb 2-4.2: New USB device strings: Mfr=2, Product=3, SerialNumber=4 Jun 6 09:23:13 saw kernel: [ 2703.865441] usb 2-4.2: Product: Nexus 7 Jun 6 09:23:13 saw kernel: [ 2703.865444] usb 2-4.2: Manufacturer: Asus Jun 6 09:23:13 saw kernel: [ 2703.865447] usb 2-4.2: SerialNumber: 015d21d4fd581613 Jun 6 09:23:13 saw mtp-probe: checking bus 2, device 13: "/sys/devices/pci0000:00/0000:00:1d.7/usb2/2-4/2-4.2" Jun 6 09:23:13 saw mtp-probe: bus: 2, device: 13 was not an MTP device Jun 6 09:23:27 saw kernel: [ 2718.080228] usb 2-4: USB disconnect, device number 9 Jun 6 09:23:27 saw kernel: [ 2718.080234] usb 2-4.2: USB disconnect, device number 13 Jun 6 09:23:27 saw kernel: [ 2718.080732] usb 2-4.3: USB disconnect, device number 10 Jun 6 09:23:27 saw bluetoothd[1853]: Adapter /org/bluez/1853/hci0 has been disabled Jun 6 09:23:27 saw bluetoothd[1853]: Unregister path: /org/bluez/1853/hci0 Jun 6 09:23:27 saw bluetoothd[1853]: Endpoint unregistered: sender=:1.57 path=/MediaEndpoint/A2DPSink Jun 6 09:23:27 saw bluetoothd[1853]: Endpoint unregistered: sender=:1.57 path=/MediaEndpoint/A2DPSource Jun 6 09:23:27 saw bluetoothd[1853]: Endpoint unregistered: sender=:1.57 path=/MediaEndpoint/HFPAG Jun 6 09:23:27 saw bluetoothd[1853]: Endpoint unregistered: sender=:1.57 path=/MediaEndpoint/HFPHS Jun 6 09:23:27 saw kernel: [ 2718.184056] usb 2-4.4: USB disconnect, device number 11 Jun 6 09:24:09 saw kernel: [ 2759.859087] usb 2-4: new high-speed USB device number 14 using ehci-pci Jun 6 09:24:09 saw kernel: [ 2759.998433] usb 2-4: New USB device found, idVendor=05e3, idProduct=0610 Jun 6 09:24:09 saw kernel: [ 2759.998439] usb 2-4: New USB device strings: Mfr=1, Product=2, SerialNumber=0 Jun 6 09:24:09 saw kernel: [ 2759.998442] usb 2-4: Product: USB2.0 Hub Jun 6 09:24:09 saw kernel: [ 2759.998445] usb 2-4: Manufacturer: GenesysLogic Jun 6 09:24:09 saw kernel: [ 2759.999488] hub 2-4:1.0: USB hub found Jun 6 09:24:09 saw kernel: [ 2760.000519] hub 2-4:1.0: 4 ports detected Jun 6 09:24:10 saw kernel: [ 2760.283295] usb 2-4.2: new high-speed USB device number 15 using ehci-pci Jun 6 09:24:10 saw kernel: [ 2760.387696] usb 2-4.2: New USB device found, idVendor=18d1, idProduct=d001 Jun 6 09:24:10 saw kernel: [ 2760.387702] usb 2-4.2: New USB device strings: Mfr=2, Product=3, SerialNumber=4 Jun 6 09:24:10 saw kernel: [ 2760.387706] usb 2-4.2: Product: Nexus 7 Jun 6 09:24:10 saw kernel: [ 2760.387708] usb 2-4.2: Manufacturer: Asus Jun 6 09:24:10 saw kernel: [ 2760.387711] usb 2-4.2: SerialNumber: 015d21d4fd581613 Jun 6 09:24:10 saw kernel: [ 2760.463281] usb 2-4.3: new low-speed USB device number 16 using ehci-pci Jun 6 09:24:10 saw kernel: [ 2760.557952] usb 2-4.3: New USB device found, idVendor=0461, idProduct=4d15 Jun 6 09:24:10 saw kernel: [ 2760.557957] usb 2-4.3: New USB device strings: Mfr=0, Product=2, SerialNumber=0 Jun 6 09:24:10 saw kernel: [ 2760.557960] usb 2-4.3: Product: USB Optical Mouse Jun 6 09:24:10 saw kernel: [ 2760.560269] input: USB Optical Mouse as /devices/pci0000:00/0000:00:1d.7/usb2/2-4/2-4.3/2-4.3:1.0/input/input22 Jun 6 09:24:10 saw kernel: [ 2760.560602] hid-generic 0003:0461:4D15.000C: input,hidraw3: USB HID v1.11 Mouse [USB Optical Mouse] on usb-0000:00:1d.7-4.3/input0 Jun 6 09:24:10 saw kernel: [ 2760.635134] usb 2-4.4: new full-speed USB device number 17 using ehci-pci Jun 6 09:24:10 saw kernel: [ 2760.944746] usb 2-4.4: New USB device found, idVendor=0a12, idProduct=0001 Jun 6 09:24:10 saw kernel: [ 2760.944752] usb 2-4.4: New USB device strings: Mfr=0, Product=2, SerialNumber=0 Jun 6 09:24:10 saw kernel: [ 2760.944756] usb 2-4.4: Product: BT2.0 Jun 6 09:24:10 saw mtp-probe: checking bus 2, device 16: "/sys/devices/pci0000:00/0000:00:1d.7/usb2/2-4/2-4.3" Jun 6 09:24:10 saw mtp-probe: bus: 2, device: 16 was not an MTP device Jun 6 09:24:10 saw mtp-probe: checking bus 2, device 15: "/sys/devices/pci0000:00/0000:00:1d.7/usb2/2-4/2-4.2" Jun 6 09:24:10 saw mtp-probe: bus: 2, device: 15 was not an MTP device Jun 6 09:24:11 saw bluetoothd[1853]: sap-dummy interface org.bluez.SimAccessTest init failed on path /org/bluez/test Jun 6 09:24:11 saw bluetoothd[1853]: Sap driver initialization failed. Jun 6 09:24:11 saw bluetoothd[1853]: sap-server: Operation not permitted (1) Jun 6 09:24:11 saw bluetoothd[1853]: Unknown command complete for opcode 19 Jun 6 09:24:11 saw bluetoothd[1853]: Endpoint registered: sender=:1.57 path=/MediaEndpoint/HFPAG Jun 6 09:24:11 saw bluetoothd[1853]: Endpoint registered: sender=:1.57 path=/MediaEndpoint/HFPHS Jun 6 09:24:11 saw bluetoothd[1853]: Endpoint registered: sender=:1.57 path=/MediaEndpoint/A2DPSource Jun 6 09:24:11 saw bluetoothd[1853]: Endpoint registered: sender=:1.57 path=/MediaEndpoint/A2DPSink Jun 6 09:24:11 saw bluetoothd[1853]: Adapter /org/bluez/1853/hci0 has been enabled Jun 6 09:24:26 saw kernel: [ 2777.042023] magicmouse 0005:05AC:030D.000D: unknown main item tag 0x0 Jun 6 09:24:26 saw kernel: [ 2777.042139] input: vila’s mouse as /devices/pci0000:00/0000:00:1d.7/usb2/2-4/2-4.4/2-4.4:1.0/bluetooth/hci0/hci0:42/input23 Jun 6 09:24:26 saw kernel: [ 2777.043203] magicmouse 0005:05AC:030D.000D: input,hidraw4: BLUETOOTH HID v0.84 Mouse [vila’s mouse] on 00:11:67:78:41:c3 Jun 6 09:24:37 saw kernel: [ 2787.493384] apple 0005:05AC:0239.000E: unknown main item tag 0x0 Jun 6 09:24:37 saw kernel: [ 2787.493522] input: vila’s keyboard as /devices/pci0000:00/0000:00:1d.7/usb2/2-4/2-4.4/2-4.4:1.0/bluetooth/hci0/hci0:45/input24 Jun 6 09:24:37 saw kernel: [ 2787.493678] apple 0005:05AC:0239.000E: input,hidraw7: BLUETOOTH HID v0.50 Keyboard [vila’s keyboard] on 00:11:67:78:41:c3 Jun 6 09:24:56 saw dbus[1829]: [system] Activating service name='org.debian.apt' (using servicehelper) Jun 6 09:24:56 saw AptDaemon: INFO: Initializing daemon Jun 6 09:24:56 saw dbus[1829]: [system] Successfully activated service 'org.debian.apt' Jun 6 09:24:56 saw AptDaemon.PackageKit: INFO: Initializing PackageKit compat layer Jun 6 09:24:57 saw AptDaemon: INFO: UpdateCache() was called Jun 6 09:24:57 saw AptDaemon.Trans: INFO: Queuing transaction /org/debian/apt/transaction/c06897351fe0438e80fbe5f7dc204a6b Jun 6 09:24:57 saw AptDaemon.Worker: INFO: Simulating trans: /org/debian/apt/transaction/c06897351fe0438e80fbe5f7dc204a6b Jun 6 09:24:57 saw AptDaemon.Worker: INFO: Processing transaction /org/debian/apt/transaction/c06897351fe0438e80fbe5f7dc204a6b Jun 6 09:24:58 saw NetworkManager[2116]: <info> Unmanaged Device found; state CONNECTED forced. (see http://bugs.launchpad.net/bugs/191889) Jun 6 09:24:58 saw AptDaemon.Worker: INFO: Updating cache Jun 6 09:24:58 saw NetworkManager[2116]: <info> Unmanaged Device found; state CONNECTED forced. (see http://bugs.launchpad.net/bugs/191889) Jun 6 09:24:58 saw NetworkManager[2116]: <info> Unmanaged Device found; state CONNECTED forced. (see http://bugs.launchpad.net/bugs/191889) Jun 6 09:25:14 saw AptDaemon.Worker: INFO: Finished transaction /org/debian/apt/transaction/c06897351fe0438e80fbe5f7dc204a6b Jun 6 09:25:28 saw NetworkManager[2116]: <info> Unmanaged Device found; state CONNECTED forced. (see http://bugs.launchpad.net/bugs/191889) Jun 6 09:25:32 saw NetworkManager[2116]: <info> Unmanaged Device found; state CONNECTED forced. (see http://bugs.launchpad.net/bugs/191889) Jun 6 09:27:57 saw kernel: [ 2987.735426] usb 2-4.2: USB disconnect, device number 15 Jun 6 09:28:08 saw kernel: [ 2998.679359] usb 2-4.2: new high-speed USB device number 18 using ehci-pci Jun 6 09:28:08 saw kernel: [ 2998.784019] usb 2-4.2: New USB device found, idVendor=18d1, idProduct=d002 Jun 6 09:28:08 saw kernel: [ 2998.784025] usb 2-4.2: New USB device strings: Mfr=2, Product=3, SerialNumber=4 Jun 6 09:28:08 saw kernel: [ 2998.784028] usb 2-4.2: Product: Nexus 7 Jun 6 09:28:08 saw kernel: [ 2998.784031] usb 2-4.2: Manufacturer: Asus Jun 6 09:28:08 saw kernel: [ 2998.784034] usb 2-4.2: SerialNumber: 015d21d4fd581613 Jun 6 09:28:08 saw mtp-probe: checking bus 2, device 18: "/sys/devices/pci0000:00/0000:00:1d.7/usb2/2-4/2-4.2" Jun 6 09:28:08 saw mtp-probe: bus: 2, device: 18 was not an MTP device So something has changed (I've been able to recover the bt devices without rebooting, progress !) but it's still hard for me to tell what :-/ Any advice on how to better isolate the issue ? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1169961 Title: bt devices lost with no way to recover them To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1169961/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
