usb 2-1: dvb_usb_v2: will pass the complete MPEG2 transport stream to the software demuxer dvbdev: DVB: registering new adapter (Hauppauge 138xxx DVBT) usb 2-1: media controller created dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered. usb 2-1: 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: 1 PID: 2842 Comm: kworker/1:5 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_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+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 119 usb 2-1: new high-speed USB device number 120 using dummy_hcd usb 2-1: Using ep0 maxpacket: 16 usb 2-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config usb 2-1: New USB device found, idVendor=2040, idProduct=d8d4, bcdDevice=df.ff 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 138xxx DVBT' 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 138xxx DVBT) usb 2-1: media controller created dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered. usb 2-1: selecting invalid altsetting 2 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 2-1: USB disconnect, device number 120 usb 2-1: new high-speed USB device number 121 using dummy_hcd usb 2-1: Using ep0 maxpacket: 16 usb 2-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config usb 2-1: New USB device found, idVendor=2040, idProduct=d8d4, bcdDevice=df.ff 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 138xxx DVBT' 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 138xxx DVBT) usb 2-1: media controller created dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered. usb 2-1: selecting invalid altsetting 2 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 2-1: USB disconnect, device number 121 usb 1-1: USB disconnect, device number 59 usb 1-1: new high-speed USB device number 60 using dummy_hcd usb 1-1: Using ep0 maxpacket: 32 usb 1-1: config index 0 descriptor too short (expected 9, got 0) usb 1-1: can't read configurations, error -22 usb 1-1: new high-speed USB device number 61 using dummy_hcd usb 1-1: Using ep0 maxpacket: 32 usb 1-1: config index 0 descriptor too short (expected 9, got 0) usb 1-1: can't read configurations, error -22 usb usb1-port1: attempt power cycle usb 1-1: new high-speed USB device number 62 using dummy_hcd usb 1-1: Using ep0 maxpacket: 32 usb 1-1: config index 0 descriptor too short (expected 9, got 0) usb 1-1: can't read configurations, error -22 usb 1-1: new high-speed USB device number 63 using dummy_hcd usb 1-1: Using ep0 maxpacket: 32 usb 1-1: config 1 has an invalid interface number: 50 but max is 0 usb 1-1: config 1 has no interface number 0 usb 1-1: New USB device found, idVendor=082d, idProduct=0100, bcdDevice=f2.a3 usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 1-1: Handspring Visor / Palm OS: No valid connect info available usb 1-1: Handspring Visor / Palm OS: port 56, is for unknown use usb 1-1: Handspring Visor / Palm OS: port 181, is for unknown use usb 1-1: Handspring Visor / Palm OS: Number of ports: 2 visor 1-1:1.50: Handspring Visor / Palm OS converter detected usb 1-1: Handspring Visor / Palm OS converter now attached to ttyUSB2 usb 1-1: Handspring Visor / Palm OS converter now attached to ttyUSB3 usb 4-1: new high-speed USB device number 54 using dummy_hcd usb 4-1: Using ep0 maxpacket: 8