usb 2-1: dvb_usb_v2: will pass the complete MPEG2 transport stream to the software demuxer dvbdev: DVB: registering new adapter (Hauppauge 117xxx ATSC+) usb 2-1: media controller created dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered. usb 2-1: selecting invalid altsetting 1 set interface failed INFO: trying to register non-static key. the code is fine but needs lockdep annotation. turning off the locking correctness validator. CPU: 1 PID: 2855 Comm: kworker/1:6 Not tainted 5.2.0-rc6+ #15 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: usb_hub_wq hub_event Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xca/0x13e lib/dump_stack.c:113 assign_lock_key kernel/locking/lockdep.c:775 [inline] register_lock_class+0x11ae/0x1240 kernel/locking/lockdep.c:1084 __lock_acquire+0x11d/0x5340 kernel/locking/lockdep.c:3674 lock_acquire+0x100/0x2b0 kernel/locking/lockdep.c:4303 __mutex_lock_common kernel/locking/mutex.c:926 [inline] __mutex_lock+0xf9/0x12b0 kernel/locking/mutex.c:1073 mxl111sf_ctrl_msg+0xb8/0x210 drivers/media/usb/dvb-usb-v2/mxl111sf.c:66 mxl111sf_write_reg+0x8b/0x120 drivers/media/usb/dvb-usb-v2/mxl111sf.c:123 mxl1x1sf_soft_reset+0x6b/0x190 drivers/media/usb/dvb-usb-v2/mxl111sf-phy.c:47 mxl111sf_lgdt3305_frontend_attach.constprop.0+0x23e/0x790 drivers/media/usb/dvb-usb-v2/mxl111sf.c:447 mxl111sf_frontend_attach_atsc_mh+0x13/0x70 drivers/media/usb/dvb-usb-v2/mxl111sf.c:984 dvb_usbv2_adapter_frontend_init drivers/media/usb/dvb-usb-v2/dvb_usb_core.c:641 [inline] dvb_usbv2_adapter_init drivers/media/usb/dvb-usb-v2/dvb_usb_core.c:804 [inline] dvb_usbv2_init drivers/media/usb/dvb-usb-v2/dvb_usb_core.c:865 [inline] dvb_usbv2_probe.cold+0x1e04/0x255d drivers/media/usb/dvb-usb-v2/dvb_usb_core.c:980 usb_probe_interface+0x305/0x7a0 drivers/usb/core/driver.c:361 really_probe+0x281/0x660 drivers/base/dd.c:509 driver_probe_device+0x104/0x210 drivers/base/dd.c:670 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:777 bus_for_each_drv+0x15c/0x1e0 drivers/base/bus.c:454 __device_attach+0x217/0x360 drivers/base/dd.c:843 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:514 device_add+0xae6/0x16f0 drivers/base/core.c:2111 usb_set_configuration+0xdf6/0x1670 drivers/usb/core/message.c:2023 generic_probe+0x9d/0xd5 drivers/usb/core/generic.c:210 usb_probe_device+0x99/0x100 drivers/usb/core/driver.c:266 really_probe+0x281/0x660 drivers/base/dd.c:509 driver_probe_device+0x104/0x210 drivers/base/dd.c:670 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:777 bus_for_each_drv+0x15c/0x1e0 drivers/base/bus.c:454 __device_attach+0x217/0x360 drivers/base/dd.c:843 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:514 device_add+0xae6/0x16f0 drivers/base/core.c:2111 usb_new_device.cold+0x6a4/0xe61 drivers/usb/core/hub.c:2536 hub_port_connect drivers/usb/core/hub.c:5098 [inline] hub_port_connect_change drivers/usb/core/hub.c:5213 [inline] port_event drivers/usb/core/hub.c:5359 [inline] hub_event+0x1abd/0x3550 drivers/usb/core/hub.c:5441 process_one_work+0x905/0x1570 kernel/workqueue.c:2269 process_scheduled_works kernel/workqueue.c:2331 [inline] worker_thread+0x7ab/0xe20 kernel/workqueue.c:2417 kthread+0x30b/0x410 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 usb 2-1: dvb_usb_v2: usb_bulk_msg() failed=-22 error writing reg: 0xff, val: 0x00 dvb_usb_mxl111sf: probe of 2-1:0.0 failed with error -22 usb 2-1: USB disconnect, device number 17 usb 2-1: new high-speed USB device number 18 using dummy_hcd usb 2-1: New USB device found, idVendor=2040, idProduct=b763, bcdDevice=32.9c usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 2-1: config 0 descriptor?? usb 2-1: dvb_usb_v2: found a 'Hauppauge 117xxx ATSC+' in warm state usb 2-1: dvb_usb_v2: will pass the complete MPEG2 transport stream to the software demuxer dvbdev: DVB: registering new adapter (Hauppauge 117xxx ATSC+) usb 2-1: media controller created dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered. usb 2-1: selecting invalid altsetting 1 set interface failed usb 2-1: dvb_usb_v2: usb_bulk_msg() failed=-22 error writing reg: 0xff, val: 0x00 dvb_usb_mxl111sf: probe of 2-1:0.0 failed with error -22 usb 6-1: new high-speed USB device number 26 using dummy_hcd usb 6-1: Using ep0 maxpacket: 8 usb 6-1: config 0 has an invalid interface number: 171 but max is 0 usb 6-1: config 0 has no interface number 0 usb 6-1: New USB device found, idVendor=14f7, idProduct=0500, bcdDevice=ac.d6 usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 6-1: config 0 descriptor?? technisat-usb2: could not set alternate setting to 0 technisat-usb2: firmware version: 98.149 dvb-usb: found a 'Technisat SkyStar USB HD (DVB-S/S2)' in warm state. dvb-usb: will pass the complete MPEG2 transport stream to the software demuxer. dvbdev: DVB: registering new adapter (Technisat SkyStar USB HD (DVB-S/S2)) usb 6-1: media controller created technisat-usb2: i2c-error: out failed 53 = -22 dvb-usb: MAC address reading failed. dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered. technisat-usb2: i2c-error: out failed 68 = -22 dvb-usb: no frontend was attached by 'Technisat SkyStar USB HD (DVB-S/S2)' Registered IR keymap rc-technisat-usb2 rc_core: Loaded IR protocol module ir-rc5-decoder, but protocol rc-5 still not available rc rc0: Technisat SkyStar USB HD (DVB-S/S2) as /devices/platform/dummy_hcd.5/usb6/6-1/rc/rc0 input: Technisat SkyStar USB HD (DVB-S/S2) as /devices/platform/dummy_hcd.5/usb6/6-1/rc/rc0/input13 dvb-usb: schedule remote query interval to 100 msecs. dvb-usb: Technisat SkyStar USB HD (DVB-S/S2) successfully initialized and connected. usb 6-1: USB disconnect, device number 26 dvb-usb: Technisat SkyStar USB HD (DVB-S/S2) successfully deinitialized and disconnected. usb 6-1: new high-speed USB device number 27 using dummy_hcd usb 6-1: Using ep0 maxpacket: 8 usb 6-1: config 0 has an invalid interface number: 171 but max is 0 usb 6-1: config 0 has no interface number 0 usb 6-1: New USB device found, idVendor=14f7, idProduct=0500, bcdDevice=ac.d6 usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 6-1: config 0 descriptor?? technisat-usb2: could not set alternate setting to 0 technisat-usb2: firmware version: 82.214 dvb-usb: found a 'Technisat SkyStar USB HD (DVB-S/S2)' in warm state. dvb-usb: will pass the complete MPEG2 transport stream to the software demuxer. dvbdev: DVB: registering new adapter (Technisat SkyStar USB HD (DVB-S/S2)) usb 6-1: media controller created technisat-usb2: i2c-error: out failed 53 = -22 dvb-usb: MAC address reading failed. dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered. technisat-usb2: i2c-error: out failed 68 = -22 dvb-usb: no frontend was attached by 'Technisat SkyStar USB HD (DVB-S/S2)' Registered IR keymap rc-technisat-usb2 rc_core: Loaded IR protocol module ir-rc5-decoder, but protocol rc-5 still not available rc rc0: Technisat SkyStar USB HD (DVB-S/S2) as /devices/platform/dummy_hcd.5/usb6/6-1/rc/rc0 input: Technisat SkyStar USB HD (DVB-S/S2) as /devices/platform/dummy_hcd.5/usb6/6-1/rc/rc0/input14 dvb-usb: schedule remote query interval to 100 msecs. dvb-usb: Technisat SkyStar USB HD (DVB-S/S2) successfully initialized and connected. usb 6-1: USB disconnect, device number 27 dvb-usb: Technisat SkyStar USB HD (DVB-S/S2) successfully deinitialized and disconnected. usb 3-1: new high-speed USB device number 24 using dummy_hcd