dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered.
usb 1-1: selecting invalid altsetting 2
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: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.2.0-rc6+ #13
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_attach_demod+0x279/0x730 drivers/media/usb/dvb-usb-v2/mxl111sf.c:765
 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+0x8c1/0x1016 drivers/usb/core/hub.c:2534
 hub_port_connect drivers/usb/core/hub.c:5089 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5204 [inline]
 port_event drivers/usb/core/hub.c:5350 [inline]
 hub_event+0x1ada/0x3590 drivers/usb/core/hub.c:5432
 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 1-1: dvb_usb_v2: usb_bulk_msg() failed=-22
error writing reg: 0xff, val: 0x00
dvb_usb_mxl111sf: probe of 1-1:0.0 failed with error -22
dummy_hcd dummy_hcd.0: port status 0x00010100 has changes
usb 1-1: USB disconnect, device number 102
usb usb1: dummy_bus_suspend
usb usb4: dummy_bus_resume
dummy_hcd dummy_hcd.3: port status 0x00010101 has changes
dummy_hcd dummy_hcd.3: port status 0x00100503 has changes
usb 4-1: new high-speed USB device number 117 using dummy_hcd
dummy_hcd dummy_hcd.3: port status 0x00100503 has changes
usb 4-1: Using ep0 maxpacket: 8
usb 4-1: config 0 has an invalid interface number: 252 but max is 0
usb 4-1: config 0 has no interface number 0
usb 4-1: New USB device found, idVendor=1d50, idProduct=6089, bcdDevice=15.b9
usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 4-1: config 0 descriptor??
hackrf 4-1:0.252: usb_control_msg() failed -71 request 0e
hackrf 4-1:0.252: Could not detect board
hackrf: probe of 4-1:0.252 failed with error -71
dummy_hcd dummy_hcd.3: port status 0x00010100 has changes
usb 4-1: USB disconnect, device number 117
dummy_hcd dummy_hcd.3: port status 0x00010101 has changes
dummy_hcd dummy_hcd.3: port status 0x00100503 has changes
usb 4-1: new high-speed USB device number 118 using dummy_hcd
dummy_hcd dummy_hcd.3: port status 0x00100503 has changes
usb 4-1: Using ep0 maxpacket: 8
usb 4-1: config 0 has an invalid interface number: 252 but max is 0
usb 4-1: config 0 has no interface number 0
usb 4-1: New USB device found, idVendor=1d50, idProduct=6089, bcdDevice=15.b9
usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 4-1: config 0 descriptor??
hackrf 4-1:0.252: Board ID: 00
hackrf 4-1:0.252: Firmware version: 
hackrf 4-1:0.252: Registered as swradio0
hackrf 4-1:0.252: Registered as swradio1
hackrf 4-1:0.252: SDR API is still slightly experimental and functionality changes may follow
dummy_hcd dummy_hcd.3: port status 0x00010100 has changes
usb 4-1: USB disconnect, device number 118
usb usb4: dummy_bus_suspend
usb usb4: dummy_bus_resume
dummy_hcd dummy_hcd.3: port status 0x00010101 has changes
dummy_hcd dummy_hcd.3: port status 0x00100503 has changes
usb 4-1: new high-speed USB device number 119 using dummy_hcd
dummy_hcd dummy_hcd.3: port status 0x00100503 has changes
usb 4-1: Using ep0 maxpacket: 8
usb 4-1: config 0 has an invalid interface number: 252 but max is 0
usb 4-1: config 0 has no interface number 0
usb 4-1: New USB device found, idVendor=1d50, idProduct=6089, bcdDevice=15.b9
usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 4-1: config 0 descriptor??
hackrf 4-1:0.252: Board ID: 00
hackrf 4-1:0.252: Firmware version: 
hackrf 4-1:0.252: Registered as swradio0
hackrf 4-1:0.252: Registered as swradio1
hackrf 4-1:0.252: SDR API is still slightly experimental and functionality changes may follow
dummy_hcd dummy_hcd.3: port status 0x00010100 has changes
usb 4-1: USB disconnect, device number 119
usb usb4: dummy_bus_suspend
usb usb5: dummy_bus_resume
dummy_hcd dummy_hcd.4: port status 0x00010101 has changes
dummy_hcd dummy_hcd.4: port status 0x00100503 has changes
usb 5-1: new high-speed USB device number 106 using dummy_hcd
dummy_hcd dummy_hcd.4: port status 0x00100503 has changes
usb 5-1: config 0 has an invalid interface number: 239 but max is 0
usb 5-1: config 0 has no interface number 0
usb 5-1: New USB device found, idVendor=2058, idProduct=1005, bcdDevice=a2.ee
usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 5-1: config 0 descriptor??
viperboard 5-1:0.239: version 0.7c found at bus 005 address 106
dummy_hcd dummy_hcd.3: port status 0x00010100 has changes
usb 4-1: USB disconnect, device number 120
usb usb4: dummy_bus_suspend
usb usb4: dummy_bus_resume
dummy_hcd dummy_hcd.3: port status 0x00010101 has changes
dummy_hcd dummy_hcd.3: port status 0x00100503 has changes
usb 4-1: new high-speed USB device number 121 using dummy_hcd
dummy_hcd dummy_hcd.3: port status 0x00100503 has changes
usb 4-1: Using ep0 maxpacket: 8
usb 4-1: config 0 has an invalid interface number: 252 but max is 0
usb 4-1: config 0 has no interface number 0
usb 4-1: New USB device found, idVendor=1d50, idProduct=6089, bcdDevice=15.b9
usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 4-1: config 0 descriptor??
hackrf 4-1:0.252: usb_control_msg() failed -71 request 0f
hackrf 4-1:0.252: Could not detect board
hackrf: probe of 4-1:0.252 failed with error -71