usb 3-1: dvb_usb_v2: will pass the complete MPEG2 transport stream to the software demuxer dvbdev: DVB: registering new adapter (Hauppauge 126xxx ATSC+) usb 3-1: media controller created dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered. usb 3-1: 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: 2921 Comm: kworker/1:7 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 worker_thread+0x96/0xe20 kernel/workqueue.c:2415 kthread+0x30b/0x410 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 usb 3-1: dvb_usb_v2: usb_bulk_msg() failed=-22 error writing reg: 0xff, val: 0x00 dvb_usb_mxl111sf: probe of 3-1:0.0 failed with error -22 usb 3-1: USB disconnect, device number 39 usb 3-1: new high-speed USB device number 40 using dummy_hcd usb 3-1: Using ep0 maxpacket: 8 usb 3-1: config index 0 descriptor too short (expected 65409, got 253) usb 3-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config usb 3-1: New USB device found, idVendor=2040, idProduct=c60b, bcdDevice=a3.a1 usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 3-1: config 0 descriptor?? usb 3-1: dvb_usb_v2: found a 'Hauppauge 126xxx ATSC+' in warm state usb 3-1: dvb_usb_v2: will pass the complete MPEG2 transport stream to the software demuxer dvbdev: DVB: registering new adapter (Hauppauge 126xxx ATSC+) usb 3-1: media controller created dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered. usb 3-1: selecting invalid altsetting 1 set interface failed usb 3-1: dvb_usb_v2: usb_bulk_msg() failed=-22 error writing reg: 0xff, val: 0x00 dvb_usb_mxl111sf: probe of 3-1:0.0 failed with error -22 scsi 1:0:0:0: Direct-Access Olympus Camedia MAUSB-2 0100 PQ: 0 ANSI: 0 sd 1:0:0:0: Attached scsi generic sg1 type 0 usb 3-1: new high-speed USB device number 43 using dummy_hcd usb 3-1: Using ep0 maxpacket: 8 usb 3-1: config 0 has an invalid interface number: 251 but max is 0 usb 3-1: config 0 has no interface number 0 usb 3-1: New USB device found, idVendor=0856, idProduct=ac30, bcdDevice=67.40 usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 3-1: config 0 descriptor?? mos7840 3-1:0.251: required endpoints missing usb 3-1: USB disconnect, device number 43 usb 3-1: new high-speed USB device number 44 using dummy_hcd usb 3-1: Using ep0 maxpacket: 8 usb 3-1: config 0 has an invalid interface number: 251 but max is 0 usb 3-1: config 0 has no interface number 0 usb 3-1: New USB device found, idVendor=0856, idProduct=ac30, bcdDevice=67.40 usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 3-1: config 0 descriptor?? mos7840 3-1:0.251: required endpoints missing usb 3-1: USB disconnect, device number 44 usb 4-1: new high-speed USB device number 43 using dummy_hcd usb 4-1: Using ep0 maxpacket: 32 usb 4-1: config 1 has an invalid interface number: 51 but max is 0 usb 4-1: config 1 has no interface number 0 usb 4-1: config 1 interface 51 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 0 usb 4-1: config 1 interface 51 altsetting 0 bulk endpoint 0x2 has invalid maxpacket 0 usb 4-1: New USB device found, idVendor=066b, idProduct=0105, bcdDevice= 1.00 usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 ums-sddr09 4-1:1.51: USB Mass Storage device detected