Alan Stern wrote:
This is probably a low-level hardware error. Interference between the two ports of some kind.
This is quite possible. Have been able to produce a more verbose logfile snippet.
[25045.734288] af9013_update_ber_unc: err bits:1286 total bits:16320000 abort count:0 [25045.734355] >>> 21 65 38 d3 85 03 03 01 10 [25045.750125] <<< 65 00 [25045.750197] >>> 21 66 38 d3 86 03 03 01 27 [25045.766121] <<< 66 00 [25045.766195] >>> 20 67 38 d3 91 00 03 01 [25045.782147] <<< 67 00 11 [25045.782218] >>> 21 68 38 d3 91 03 03 01 11 [25045.798202] <<< 68 00 [25047.489434] >>> 20 69 38 d5 07 00 03 01 [25047.502162] <<< 69 00 72 [25047.502235] af9013_update_signal_strength [25047.502271] >>> 20 6a 38 d0 7c 00 03 01 [25047.518083] <<< 6a 00 a8 [25047.518154] >>> 20 6b 38 d0 7d 00 03 01 [25047.534080] <<< 6b 00 47 [25047.534151] >>> 20 6c 38 d2 e1 00 03 01 [25047.550076] <<< 6c 00 08 [25047.550146] >>> 20 6d 38 d2 e3 00 03 01 [25047.566079] <<< 6d 00 0e [25047.566146] >>> 20 6e 38 d2 e4 00 03 01 [25047.582140] <<< 6e 00 93 [25047.582207] >>> 20 6f 38 d2 e5 00 03 01 [25047.598075] <<< 6f 00 0b [25047.598146] >>> 20 70 38 d3 c1 00 03 01 [25047.614080] <<< 70 00 58 [25047.614153] >>> 21 71 38 d2 e2 03 03 01 01 [25047.630138] <<< 71 00 [25047.645438] >>> 20 72 38 d2 e6 00 03 01 [25047.654097] <<< 72 00 f0 [25047.654169] >>> 20 73 38 d2 e1 00 03 01 [25047.670158] <<< 73 00 08 [25047.670230] >>> 21 74 38 d2 e1 03 03 01 08 [25047.686083] <<< 74 00 [25047.686153] >>> 20 75 38 d3 91 00 03 01 [25047.702087] <<< 75 00 11 [25047.702163] >>> 20 76 38 d3 8a 00 03 01 [25047.718158] <<< 76 00 00 [25047.718232] >>> 20 77 38 d3 8b 00 03 01 [25047.734083] <<< 77 00 00 [25047.734162] >>> 20 78 38 d3 87 00 03 01 [25047.750080] <<< 78 00 53 [25047.750150] >>> 20 79 38 d3 88 00 03 01 [25047.766142] <<< 79 00 03 [25047.766214] >>> 20 7a 38 d3 89 00 03 01 [25047.782061] <<< 7a 00 00 [25047.782148] >>> 20 7b 38 d3 85 00 03 01 [25047.798063] <<< 7b 00 10 [25047.798143] >>> 20 7c 38 d3 86 00 03 01 [25047.814130] <<< 7c 00 27 [25047.814216] af9013_update_ber_unc: err bits:851 total bits:16320000 abort count:0 [25047.814279] >>> 21 7d 38 d3 85 03 03 01 10 [25047.830052] <<< 7d 00 [25047.830125] >>> 21 7e 38 d3 86 03 03 01 27 [25047.846069] <<< 7e 00 [25047.846130] >>> 20 7f 38 d3 91 00 03 01 [25047.862066] <<< 7f 00 11 [25047.862136] >>> 21 80 38 d3 91 03 03 01 11 [25047.878084] <<< 80 00 [25049.527925] hub 1-0:1.0: state 7 ports 6 chg 0000 evt 000a [25049.527990] ehci_hcd 0000:00:10.3: GetStatus port:1 status 00100a 0 ACK POWER sig=se0 PEC CSC [25049.528039] hub 1-0:1.0: port 1, status 0100, change 0003, 12 Mb/s [25049.528062] usb 1-1: USB disconnect, device number 2 [25049.528111] usb 1-1: unregistering device [25049.528130] usb 1-1: unregistering interface 1-1:1.0 [25049.528374] usb-storage: storage_disconnect() called [25049.541186] usb-storage: -- usb_stor_release_resources [25049.541204] usb-storage: -- sending exit command to thread [25049.541232] usb-storage: *** thread awakened. [25049.541246] usb-storage: -- exiting [25049.541299] usb-storage: -- dissociate_dev [25049.541424] usb 1-1: usb_disable_device nuking all URBs [25049.543935] ehci_hcd 0000:00:10.3: GetStatus port:1 status 001803 0 ACK POWER sig=j CSC CONNECT [25049.569580] >>> 20 81 38 d5 07 00 03 01 [25049.669642] hub 1-0:1.0: debounce: port 1: total 100ms stable 100ms status 0x501 [25049.725674] ehci_hcd 0000:00:10.3: port 1 high speed [25049.725718] ehci_hcd 0000:00:10.3: GetStatus port:1 status 001005 0 ACK POWER sig=se0 PE CONNECT [25049.781694] usb 1-1: new high speed USB device number 4 using ehci_hcd [25051.581718] usb 1-3: kdvb-ad-1-fe-0 timed out on ep2out len=0/8 [25051.581748] af9015: bulk message failed:-110 (8/0) [25051.581802] af9013: I2C read failed reg:d507 [25052.565761] >>> 20 82 38 d5 07 00 03 01 [25054.577928] usb 1-3: kdvb-ad-1-fe-0 timed out on ep2out len=0/8 [25054.577956] af9015: bulk message failed:-110 (8/0) [25054.578012] af9013: I2C read failed reg:d507 [25054.794039] usb 1-1: khubd timed out on ep0in len=0/64 [25055.425927] >>> 20 83 38 d5 07 00 03 01 [25057.438083] usb 1-3: kdvb-ad-1-fe-0 timed out on ep2out len=0/8 [25057.438110] af9015: bulk message failed:-110 (8/0) [25057.438163] af9013: I2C read failed reg:d507 [25058.238115] >>> 20 84 38 d5 07 00 03 01 [25059.806230] usb 1-1: khubd timed out on ep0in len=0/64 [25060.250263] usb 1-3: kdvb-ad-1-fe-0 timed out on ep2out len=0/8 [25060.250289] af9015: bulk message failed:-110 (8/0) [25060.250342] af9013: I2C read failed reg:d507 [25061.058269] >>> 20 85 38 d5 07 00 03 01 [25063.070487] usb 1-3: kdvb-ad-1-fe-0 timed out on ep2out len=0/8 [25063.070512] af9015: bulk message failed:-110 (8/0) [25063.070565] af9013: I2C read failed reg:d507 [25063.922457] >>> 20 86 38 d5 07 00 03 01 [25064.818955] usb 1-1: khubd timed out on ep0in len=0/64 [25064.874603] ehci_hcd 0000:00:10.3: port 1 high speed [25064.874648] ehci_hcd 0000:00:10.3: GetStatus port:1 status 00100f 0 ACK POWER sig=se0 PEC PE CSC CONNECT [25064.874761] hub 1-0:1.0: unable to enumerate USB device on port 1 [25064.874849] ehci_hcd 0000:00:10.3: GetStatus port:3 status 00180b 0 ACK POWER sig=j PEC CSC CONNECT [25064.874893] hub 1-0:1.0: port 3, status 0501, change 0003, 480 Mb/s [25064.874916] usb 1-3: USB disconnect, device number 3 [25064.874956] usb 1-3: unregistering device [25064.874976] usb 1-3: unregistering interface 1-3:1.0 [25064.875349] ehci_hcd 0000:00:10.3: shutdown urb c735c6a0 ep2out-bulk [25064.886554] af9015: bulk message failed:-108 (8/0) [25064.886613] af9013: I2C read failed reg:d507 [25064.886690] ehci_hcd 0000:00:10.3: shutdown urb ceacb1a0 ep4in-bulk [25064.886716] ehci_hcd 0000:00:10.3: shutdown urb ceacb220 ep4in-bulk [25064.886741] ehci_hcd 0000:00:10.3: shutdown urb c3de5e40 ep4in-bulk [25064.886766] ehci_hcd 0000:00:10.3: shutdown urb c3de5f40 ep4in-bulk [25064.886791] ehci_hcd 0000:00:10.3: shutdown urb ceacb0a0 ep4in-bulk [25064.886816] ehci_hcd 0000:00:10.3: shutdown urb ceacb120 ep4in-bulk [25064.898556] af9015_usb_device_exit: [25064.898601] af9015_i2c_exit: [25064.898836] state before exiting everything: 3 [25064.899377] af9013_i2c_gate_ctrl: enable:1 [25064.899422] >>> 20 87 38 d4 17 00 03 01 [25064.899497] af9015: bulk message failed:-19 (8/0) [25064.899536] af9013: I2C read failed reg:d417 [25064.899572] af9013_i2c_gate_ctrl: enable:1 [25064.899605] >>> 20 88 38 d4 17 00 03 01 [25064.899673] af9015: bulk message failed:-19 (8/0) [25064.899711] af9013: I2C read failed reg:d417 [25064.899746] >>> 22 89 c0 00 17 39 01 01 f1 [25064.899820] af9015: bulk message failed:-19 (9/0) [25064.899861] tda18218: i2c wr failed ret:-19 reg:17 len:1 [25064.899901] af9013_i2c_gate_ctrl: enable:0 [25064.899934] >>> 20 8a 38 d4 17 00 03 01 [25064.900003] af9015: bulk message failed:-19 (8/0) [25064.900041] af9013: I2C read failed reg:d417 [25064.900075] af9013_i2c_gate_ctrl: enable:0 [25064.900108] >>> 20 8b 38 d4 17 00 03 01 [25064.900177] af9015: bulk message failed:-19 (8/0) [25064.900215] af9013: I2C read failed reg:d417 [25064.900250] af9013_sleep [25064.900276] af9013_lock_led: onoff:0 [25064.900307] >>> 20 8c 38 d7 30 00 03 01 [25064.900375] af9015: bulk message failed:-19 (8/0) [25064.900413] af9013: I2C read failed reg:d730 [25064.900447] power control: 0 [25200.715024] INFO: task khubd:318 blocked for more than 120 seconds. [25200.715083] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [25200.715139] khubd D e087baf7 0 318 2 0x00000000 [25200.715200] ce3f63e0 00000046 00d23940 e087baf7 000016cb ce3f63e0 ce3f63e0 c1263ea0 [25200.715292] c101d1c5 47aac777 ca1effd0 7fffffff c125e525 00000001 ce3f63e0 c101e334 [25200.715384] 00100100 00200200 ccffb110 ca1effd0 ce961004 ce9388a4 00000246 ce31bc00 [25200.715476] Call Trace: [25200.715538] [<c101d1c5>] ? check_preempt_curr+0x52/0x62 [25200.715598] [<c125e525>] ? wait_for_common+0x60/0xaa [25200.715653] [<c101e334>] ? try_to_wake_up+0x58/0x58 [25200.715838] [<cf995b71>] ? dvb_unregister_frontend+0x95/0xcb [dvb_core] [25200.715901] [<c10360ba>] ? wake_up_bit+0x16/0x16 [25200.715991] [<cfa80119>] ? dvb_usb_adapter_frontend_exit+0x12/0x21 [dvb_usb] [25200.716083] [<cfa7f2c3>] ? dvb_usb_exit+0x43/0xc0 [dvb_usb] [25200.716191] [<cfa7f373>] ? dvb_usb_device_exit+0x33/0x43 [dvb_usb] [25200.716371] [<cf9f70f5>] ? usb_unbind_interface+0x40/0xf2 [usbcore] [25200.716458] [<c119ddde>] ? __device_release_driver+0x5e/0x95 [25200.716512] [<c119de2a>] ? device_release_driver+0x15/0x1e [25200.716564] [<c119da7e>] ? bus_remove_device+0x92/0xa7 [25200.716614] [<c119bdd2>] ? device_del+0xea/0x12d [25200.716748] [<cf9f5a62>] ? usb_disable_device+0x78/0x178 [usbcore] [25200.716944] [<cf9f01fe>] ? usb_disconnect+0x9c/0xeb [usbcore] [25200.717162] [<cf9f1aa5>] ? hub_thread+0x60d/0xe11 [usbcore] [25200.717222] [<c10360ba>] ? wake_up_bit+0x16/0x16 [25200.717272] [<c101d46d>] ? complete+0x23/0x2b [25200.717407] [<cf9f1498>] ? usb_remote_wakeup+0x40/0x40 [usbcore] [25200.717462] [<c1035e57>] ? kthread+0x62/0x67 [25200.717509] [<c1035df5>] ? kthread_worker_fn+0xd9/0xd9 [25200.717570] [<c125fe86>] ? kernel_thread_helper+0x6/0xd [25320.714530] INFO: task khubd:318 blocked for more than 120 seconds. [25320.714587] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [25320.714644] khubd D e087baf7 0 318 2 0x00000000 [25320.714705] ce3f63e0 00000046 00d23940 e087baf7 000016cb ce3f63e0 ce3f63e0 c1263ea0 [25320.714798] c101d1c5 47aac777 ca1effd0 7fffffff c125e525 00000001 ce3f63e0 c101e334 [25320.714890] 00100100 00200200 ccffb110 ca1effd0 ce961004 ce9388a4 00000246 ce31bc00 [25320.714982] Call Trace: [25320.715043] [<c101d1c5>] ? check_preempt_curr+0x52/0x62 [25320.715103] [<c125e525>] ? wait_for_common+0x60/0xaa [25320.715157] [<c101e334>] ? try_to_wake_up+0x58/0x58 [25320.715336] [<cf995b71>] ? dvb_unregister_frontend+0x95/0xcb [dvb_core] [25320.715399] [<c10360ba>] ? wake_up_bit+0x16/0x16 [25320.715488] [<cfa80119>] ? dvb_usb_adapter_frontend_exit+0x12/0x21 [dvb_usb] [25320.715578] [<cfa7f2c3>] ? dvb_usb_exit+0x43/0xc0 [dvb_usb] [25320.715686] [<cfa7f373>] ? dvb_usb_device_exit+0x33/0x43 [dvb_usb] [25320.715864] [<cf9f70f5>] ? usb_unbind_interface+0x40/0xf2 [usbcore] [25320.715950] [<c119ddde>] ? __device_release_driver+0x5e/0x95 [25320.716004] [<c119de2a>] ? device_release_driver+0x15/0x1e [25320.716056] [<c119da7e>] ? bus_remove_device+0x92/0xa7 [25320.716105] [<c119bdd2>] ? device_del+0xea/0x12d [25320.716238] [<cf9f5a62>] ? usb_disable_device+0x78/0x178 [usbcore] [25320.716431] [<cf9f01fe>] ? usb_disconnect+0x9c/0xeb [usbcore] [25320.716646] [<cf9f1aa5>] ? hub_thread+0x60d/0xe11 [usbcore] [25320.716706] [<c10360ba>] ? wake_up_bit+0x16/0x16 [25320.716756] [<c101d46d>] ? complete+0x23/0x2b [25320.716890] [<cf9f1498>] ? usb_remote_wakeup+0x40/0x40 [usbcore] [25320.716945] [<c1035e57>] ? kthread+0x62/0x67 [25320.716992] [<c1035df5>] ? kthread_worker_fn+0xd9/0xd9 [25320.717051] [<c125fe86>] ? kernel_thread_helper+0x6/0xd [25440.714130] INFO: task khubd:318 blocked for more than 120 seconds. [25440.714266] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [25440.714375] khubd D e087baf7 0 318 2 0x00000000 [25440.714452] ce3f63e0 00000046 00d23940 e087baf7 000016cb ce3f63e0 ce3f63e0 c1263ea0 [25440.714599] c101d1c5 47aac777 ca1effd0 7fffffff c125e525 00000001 ce3f63e0 c101e334 [25440.714743] 00100100 00200200 ccffb110 ca1effd0 ce961004 ce9388a4 00000246 ce31bc00 [25440.714851] Call Trace: [25440.714930] [<c101d1c5>] ? check_preempt_curr+0x52/0x62 [25440.715030] [<c125e525>] ? wait_for_common+0x60/0xaa [25440.715125] [<c101e334>] ? try_to_wake_up+0x58/0x58 [25440.715328] [<cf995b71>] ? dvb_unregister_frontend+0x95/0xcb [dvb_core] [25440.715437] [<c10360ba>] ? wake_up_bit+0x16/0x16 [25440.715534] [<cfa80119>] ? dvb_usb_adapter_frontend_exit+0x12/0x21 [dvb_usb] [25440.715625] [<cfa7f2c3>] ? dvb_usb_exit+0x43/0xc0 [dvb_usb] [25440.715735] [<cfa7f373>] ? dvb_usb_device_exit+0x33/0x43 [dvb_usb] [25440.715918] [<cf9f70f5>] ? usb_unbind_interface+0x40/0xf2 [usbcore] [25440.716007] [<c119ddde>] ? __device_release_driver+0x5e/0x95 [25440.718967] [<c119de2a>] ? device_release_driver+0x15/0x1e [25440.719020] [<c119da7e>] ? bus_remove_device+0x92/0xa7 [25440.719069] [<c119bdd2>] ? device_del+0xea/0x12d [25440.719206] [<cf9f5a62>] ? usb_disable_device+0x78/0x178 [usbcore] [25440.719398] [<cf9f01fe>] ? usb_disconnect+0x9c/0xeb [usbcore] [25440.719613] [<cf9f1aa5>] ? hub_thread+0x60d/0xe11 [usbcore] [25440.719673] [<c10360ba>] ? wake_up_bit+0x16/0x16 [25440.719724] [<c101d46d>] ? complete+0x23/0x2b [25440.719858] [<cf9f1498>] ? usb_remote_wakeup+0x40/0x40 [usbcore] [25440.719912] [<c1035e57>] ? kthread+0x62/0x67 [25440.719959] [<c1035df5>] ? kthread_worker_fn+0xd9/0xd9 [25440.720020] [<c125fe86>] ? kernel_thread_helper+0x6/0xd
