usb 1-1: dvb_usb_v2: will pass the complete MPEG2 transport stream to the software demuxer dvbdev: DVB: registering new adapter (Hauppauge Mercury) usb 1-1: 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: 0 PID: 536 Comm: kworker/0:3 Not tainted 5.1.0-rc3-319004-g43151d6 #6 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+0xe8/0x16e lib/dump_stack.c:113 assign_lock_key kernel/locking/lockdep.c:786 [inline] register_lock_class+0x11b8/0x1250 kernel/locking/lockdep.c:1095 __lock_acquire+0xfb/0x37c0 kernel/locking/lockdep.c:3582 lock_acquire+0x10d/0x2f0 kernel/locking/lockdep.c:4211 __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0xfe/0x12b0 kernel/locking/mutex.c:1072 mxl111sf_ctrl_msg+0xc7/0x250 drivers/media/usb/dvb-usb-v2/mxl111sf.c:69 mxl111sf_write_reg+0x9f/0x160 drivers/media/usb/dvb-usb-v2/mxl111sf.c:126 mxl1x1sf_soft_reset+0x70/0x190 drivers/media/usb/dvb-usb-v2/mxl111sf-phy.c:56 mxl111sf_lgdt3305_frontend_attach.constprop.0+0x252/0x7c0 drivers/media/usb/dvb-usb-v2/mxl111sf.c:450 mxl111sf_frontend_attach_mercury+0x27/0xa0 drivers/media/usb/dvb-usb-v2/mxl111sf.c:1007 dvb_usbv2_adapter_frontend_init drivers/media/usb/dvb-usb-v2/dvb_usb_core.c:654 [inline] dvb_usbv2_adapter_init drivers/media/usb/dvb-usb-v2/dvb_usb_core.c:817 [inline] dvb_usbv2_init drivers/media/usb/dvb-usb-v2/dvb_usb_core.c:878 [inline] dvb_usbv2_probe.cold+0x2170/0x29f6 drivers/media/usb/dvb-usb-v2/dvb_usb_core.c:993 usb_probe_interface+0x31d/0x820 drivers/usb/core/driver.c:361 really_probe+0x2da/0xb10 drivers/base/dd.c:509 driver_probe_device+0x21d/0x350 drivers/base/dd.c:671 __device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778 bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454 __device_attach+0x223/0x3a0 drivers/base/dd.c:844 bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514 device_add+0xad2/0x16e0 drivers/base/core.c:2106 usb_set_configuration+0xdf7/0x1740 drivers/usb/core/message.c:2023 generic_probe+0xa2/0xda drivers/usb/core/generic.c:210 usb_probe_device+0xc0/0x150 drivers/usb/core/driver.c:266 really_probe+0x2da/0xb10 drivers/base/dd.c:509 driver_probe_device+0x21d/0x350 drivers/base/dd.c:671 __device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778 bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454 __device_attach+0x223/0x3a0 drivers/base/dd.c:844 bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514 device_add+0xad2/0x16e0 drivers/base/core.c:2106 usb_new_device.cold+0x537/0xccf 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+0x138e/0x3b00 drivers/usb/core/hub.c:5432 process_one_work+0x90f/0x1580 kernel/workqueue.c:2269 worker_thread+0x9b/0xe20 kernel/workqueue.c:2415 kthread+0x313/0x420 kernel/kthread.c:253 ret_from_fork+0x3a/0x50 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 1-1:160.0 failed with error -22 usb 1-1: USB disconnect, device number 45 usb 1-1: new high-speed USB device number 46 using dummy_hcd usb 1-1: Using ep0 maxpacket: 8 usb 1-1: config index 0 descriptor too short (expected 146, got 125) usb 1-1: config 160 has an invalid descriptor of length 38, skipping remainder of the config usb 1-1: New USB device found, idVendor=2040, idProduct=d8ff, bcdDevice=13.50 usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 1-1: dvb_usb_v2: found a 'Hauppauge Mercury' in warm state usb 1-1: dvb_usb_v2: will pass the complete MPEG2 transport stream to the software demuxer dvbdev: DVB: registering new adapter (Hauppauge Mercury) usb 1-1: selecting invalid altsetting 1 set interface failed usb 1-1: dvb_usb_v2: usb_bulk_msg() failed=-22 error writing reg: 0xff, val: 0x00 dvb_usb_mxl111sf: probe of 1-1:160.0 failed with error -22 usb 1-1: USB disconnect, device number 46 usb 1-1: new high-speed USB device number 47 using dummy_hcd usb 1-1: device descriptor read/64, error 18 usb 1-1: device descriptor read/64, error 18 usb 1-1: new high-speed USB device number 48 using dummy_hcd usb 1-1: device descriptor read/64, error 18 usb 1-1: device descriptor read/64, error 18 usb usb1-port1: attempt power cycle usb 1-1: new high-speed USB device number 49 using dummy_hcd usb 1-1: device descriptor read/64, error 18 usb 1-1: device descriptor read/64, error 18 usb 1-1: new high-speed USB device number 50 using dummy_hcd usb 1-1: device descriptor read/64, error 18 usb 1-1: device descriptor read/64, error 18 usb usb1-port1: unable to enumerate USB device usb 5-1: new high-speed USB device number 53 using dummy_hcd usb 5-1: config 0 has an invalid interface number: 246 but max is 0 usb 5-1: config 0 has no interface number 0 usb 5-1: New USB device found, idVendor=1a86, idProduct=5523, bcdDevice=4f.83 usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 5-1: config 0 descriptor?? ch341 5-1:0.246: ch341-uart converter detected usb 5-1: failed to send control message: -71 ch341-uart: probe of ttyUSB1 failed with error -71 usb 5-1: USB disconnect, device number 53 ch341 5-1:0.246: device disconnected usb 2-1: new high-speed USB device number 54 using dummy_hcd usb 2-1: config 0 has an invalid interface number: 246 but max is 0 usb 2-1: config 0 has no interface number 0 usb 2-1: New USB device found, idVendor=1a86, idProduct=5523, bcdDevice=4f.83 usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 2-1: config 0 descriptor?? ch341 2-1:0.246: ch341-uart converter detected usb 2-1: failed to send control message: -71 ch341-uart: probe of ttyUSB0 failed with error -71 usb 2-1: USB disconnect, device number 54 ch341 2-1:0.246: device disconnected