[info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 14.146963][ C1] random: crng init done [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.62' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 55.027878][ T102] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 55.387515][ T102] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x84 has an invalid bInterval 0, changing to 7 [ 55.398655][ T102] usb 1-1: New USB device found, idVendor=15c2, idProduct=0035, bcdDevice=d2.65 [ 55.407869][ T102] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 55.417028][ T102] usb 1-1: config 0 descriptor?? [ 55.460972][ T102] input: iMON Panel, Knob and Mouse(15c2:0035) as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/input/input5 [ 55.687578][ T102] Registered IR keymap rc-imon-pad [ 55.908054][ T102] rc rc0: iMON Remote (15c2:0035) as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/rc/rc0 [ 55.918736][ T102] input: iMON Remote (15c2:0035) as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/rc/rc0/input6 [ 55.936079][ T102] imon 1-1:0.0: iMON device (15c2:0035, intf0) on usb<1:2> initialized executing program [ 56.089195][ T102] usb 1-1: USB disconnect, device number 2 [ 56.637440][ T102] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 56.997532][ T102] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x84 has an invalid bInterval 0, changing to 7 [ 57.008745][ T102] usb 1-1: New USB device found, idVendor=15c2, idProduct=0035, bcdDevice=d2.65 [ 57.018679][ T102] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 57.027575][ T102] usb 1-1: config 0 descriptor?? [ 57.069766][ T102] input: iMON Panel, Knob and Mouse(15c2:0035) as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/input/input7 [ 57.307494][ T102] Registered IR keymap rc-imon-pad [ 57.527814][ T102] rc rc0: iMON Remote (15c2:0035) as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/rc/rc0 [ 57.538601][ T102] input: iMON Remote (15c2:0035) as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/rc/rc0/input8 [ 57.551182][ T102] imon 1-1:0.0: iMON device (15c2:0035, intf0) on usb<1:3> initialized executing program [ 57.708934][ T83] usb 1-1: USB disconnect, device number 3 [ 58.247426][ T83] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 58.607547][ T83] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x84 has an invalid bInterval 0, changing to 7 [ 58.619519][ T83] usb 1-1: New USB device found, idVendor=15c2, idProduct=0035, bcdDevice=d2.65 [ 58.628594][ T83] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 58.637936][ T83] usb 1-1: config 0 descriptor?? [ 58.689801][ T83] input: iMON Panel, Knob and Mouse(15c2:0035) as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/input/input9 [ 58.927425][ T83] Registered IR keymap rc-imon-pad [ 59.147799][ T83] rc rc0: iMON Remote (15c2:0035) as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/rc/rc0 [ 59.158431][ T83] input: iMON Remote (15c2:0035) as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/rc/rc0/input10 [ 59.174296][ T83] imon 1-1:0.0: iMON device (15c2:0035, intf0) on usb<1:4> initialized executing program [ 59.328664][ T102] usb 1-1: USB disconnect, device number 4 [ 59.867404][ T102] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 60.227535][ T102] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x84 has an invalid bInterval 0, changing to 7 [ 60.238487][ T102] usb 1-1: New USB device found, idVendor=15c2, idProduct=0035, bcdDevice=d2.65 [ 60.247548][ T102] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 60.256187][ T102] usb 1-1: config 0 descriptor?? [ 60.299882][ T102] input: iMON Panel, Knob and Mouse(15c2:0035) as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/input/input11 [ 60.537454][ T102] Registered IR keymap rc-imon-pad [ 60.757811][ T102] rc rc0: iMON Remote (15c2:0035) as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/rc/rc0 [ 60.768717][ T102] input: iMON Remote (15c2:0035) as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/rc/rc0/input12 [ 60.784306][ T102] imon 1-1:0.0: iMON device (15c2:0035, intf0) on usb<1:5> initialized [ 60.937691][ T1742] [ 60.940057][ T1742] ====================================================== [ 60.947137][ T1742] WARNING: possible circular locking dependency detected [ 60.954564][ T1742] 5.3.0+ #0 Not tainted [ 60.958696][ T1742] ------------------------------------------------------ [ 60.965700][ T1742] syz-executor374/1742 is trying to acquire lock: [ 60.972089][ T1742] ffffffff87424ae0 (driver_lock#2){+.+.}, at: display_open+0x1f/0x1d0 [ 60.980247][ T1742] [ 60.980247][ T1742] but task is already holding lock: [ 60.987596][ T1742] ffffffff87223708 (minor_rwsem){++++}, at: usb_open+0x23/0x270 [ 60.995207][ T1742] [ 60.995207][ T1742] which lock already depends on the new lock. [ 60.995207][ T1742] [ 61.005602][ T1742] [ 61.005602][ T1742] the existing dependency chain (in reverse order) is: [ 61.014589][ T1742] [ 61.014589][ T1742] -> #2 (minor_rwsem){++++}: [ 61.021342][ T1742] down_write+0x92/0x150 [ 61.026076][ T1742] usb_register_dev+0x131/0x670 [ 61.031599][ T1742] imon_probe+0x244d/0x2af0 [ 61.036613][ T1742] usb_probe_interface+0x305/0x7a0 [ 61.042217][ T1742] really_probe+0x281/0x6d0 [ 61.047211][ T1742] driver_probe_device+0x101/0x1b0 [ 61.052813][ T1742] __device_attach_driver+0x1c2/0x220 [ 61.058678][ T1742] bus_for_each_drv+0x162/0x1e0 [ 61.064023][ T1742] __device_attach+0x217/0x360 [ 61.069291][ T1742] bus_probe_device+0x1e4/0x290 [ 61.074637][ T1742] device_add+0xae6/0x16f0 [ 61.079555][ T1742] usb_set_configuration+0xdf6/0x1670 [ 61.085431][ T1742] generic_probe+0x9d/0xd5 [ 61.090348][ T1742] usb_probe_device+0x99/0x100 [ 61.095605][ T1742] really_probe+0x281/0x6d0 [ 61.100620][ T1742] driver_probe_device+0x101/0x1b0 [ 61.106234][ T1742] __device_attach_driver+0x1c2/0x220 [ 61.112096][ T1742] bus_for_each_drv+0x162/0x1e0 [ 61.117452][ T1742] __device_attach+0x217/0x360 [ 61.122712][ T1742] bus_probe_device+0x1e4/0x290 [ 61.128238][ T1742] device_add+0xae6/0x16f0 [ 61.133163][ T1742] usb_new_device.cold+0x6a4/0xe79 [ 61.138887][ T1742] hub_event+0x1b5c/0x3640 [ 61.143806][ T1742] process_one_work+0x92b/0x1530 [ 61.149257][ T1742] worker_thread+0x96/0xe20 [ 61.154266][ T1742] kthread+0x318/0x420 [ 61.158878][ T1742] ret_from_fork+0x24/0x30 [ 61.163785][ T1742] [ 61.163785][ T1742] -> #1 (&ictx->lock){+.+.}: [ 61.170540][ T1742] __mutex_lock+0x158/0x1360 [ 61.175631][ T1742] imon_probe+0xf0c/0x2af0 [ 61.180545][ T1742] usb_probe_interface+0x305/0x7a0 [ 61.186149][ T1742] really_probe+0x281/0x6d0 [ 61.191145][ T1742] driver_probe_device+0x101/0x1b0 [ 61.196749][ T1742] __device_attach_driver+0x1c2/0x220 [ 61.202798][ T1742] bus_for_each_drv+0x162/0x1e0 [ 61.208142][ T1742] __device_attach+0x217/0x360 [ 61.213399][ T1742] bus_probe_device+0x1e4/0x290 [ 61.218754][ T1742] device_add+0xae6/0x16f0 [ 61.223683][ T1742] usb_set_configuration+0xdf6/0x1670 [ 61.229644][ T1742] generic_probe+0x9d/0xd5 [ 61.234565][ T1742] usb_probe_device+0x99/0x100 [ 61.239830][ T1742] really_probe+0x281/0x6d0 [ 61.244827][ T1742] driver_probe_device+0x101/0x1b0 [ 61.250430][ T1742] __device_attach_driver+0x1c2/0x220 [ 61.256308][ T1742] bus_for_each_drv+0x162/0x1e0 [ 61.261660][ T1742] __device_attach+0x217/0x360 [ 61.267089][ T1742] bus_probe_device+0x1e4/0x290 [ 61.272433][ T1742] device_add+0xae6/0x16f0 [ 61.277352][ T1742] usb_new_device.cold+0x6a4/0xe79 [ 61.282964][ T1742] hub_event+0x1b5c/0x3640 [ 61.287875][ T1742] process_one_work+0x92b/0x1530 [ 61.293305][ T1742] worker_thread+0x96/0xe20 [ 61.298313][ T1742] kthread+0x318/0x420 [ 61.302875][ T1742] ret_from_fork+0x24/0x30 [ 61.307789][ T1742] [ 61.307789][ T1742] -> #0 (driver_lock#2){+.+.}: [ 61.314703][ T1742] __lock_acquire+0x1f74/0x3eb0 [ 61.320045][ T1742] lock_acquire+0x127/0x320 [ 61.325048][ T1742] __mutex_lock+0x158/0x1360 [ 61.330132][ T1742] display_open+0x1f/0x1d0 [ 61.335041][ T1742] usb_open+0x1df/0x270 [ 61.339701][ T1742] chrdev_open+0x219/0x5c0 [ 61.344613][ T1742] do_dentry_open+0x494/0x1120 [ 61.349881][ T1742] path_openat+0x1430/0x3f50 [ 61.354977][ T1742] do_filp_open+0x1a1/0x280 [ 61.359990][ T1742] do_sys_open+0x3c0/0x580 [ 61.365124][ T1742] do_syscall_64+0xb7/0x580 [ 61.370129][ T1742] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 61.376518][ T1742] [ 61.376518][ T1742] other info that might help us debug this: [ 61.376518][ T1742] [ 61.386728][ T1742] Chain exists of: [ 61.386728][ T1742] driver_lock#2 --> &ictx->lock --> minor_rwsem [ 61.386728][ T1742] [ 61.398850][ T1742] Possible unsafe locking scenario: [ 61.398850][ T1742] [ 61.406283][ T1742] CPU0 CPU1 [ 61.411634][ T1742] ---- ---- [ 61.417146][ T1742] lock(minor_rwsem); [ 61.421188][ T1742] lock(&ictx->lock); [ 61.427771][ T1742] lock(minor_rwsem); [ 61.434339][ T1742] lock(driver_lock#2); [ 61.438574][ T1742] [ 61.438574][ T1742] *** DEADLOCK *** [ 61.438574][ T1742] [ 61.446715][ T1742] 1 lock held by syz-executor374/1742: [ 61.452141][ T1742] #0: ffffffff87223708 (minor_rwsem){++++}, at: usb_open+0x23/0x270 [ 61.460187][ T1742] [ 61.460187][ T1742] stack backtrace: [ 61.466062][ T1742] CPU: 0 PID: 1742 Comm: syz-executor374 Not tainted 5.3.0+ #0 [ 61.473574][ T1742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.483606][ T1742] Call Trace: [ 61.486877][ T1742] dump_stack+0xca/0x13e [ 61.491101][ T1742] check_noncircular+0x32e/0x3e0 [ 61.496020][ T1742] ? profile_setup.cold+0xc1/0xc1 [ 61.501018][ T1742] ? print_circular_bug.isra.0+0x1e0/0x1e0 [ 61.506794][ T1742] ? graph_lock+0x80/0x180 [ 61.511185][ T1742] ? hlock_class+0x120/0x120 [ 61.515749][ T1742] ? mark_lock+0xbc/0x1160 [ 61.520153][ T1742] ? find_first_zero_bit+0x94/0xb0 [ 61.525250][ T1742] __lock_acquire+0x1f74/0x3eb0 [ 61.530099][ T1742] ? mark_held_locks+0xe0/0xe0 [ 61.534847][ T1742] ? hlock_class+0x120/0x120 [ 61.539419][ T1742] ? mark_lock+0xbc/0x1160 [ 61.543829][ T1742] ? find_first_zero_bit+0x94/0xb0 [ 61.548922][ T1742] lock_acquire+0x127/0x320 [ 61.553411][ T1742] ? display_open+0x1f/0x1d0 [ 61.557980][ T1742] __mutex_lock+0x158/0x1360 [ 61.562548][ T1742] ? display_open+0x1f/0x1d0 [ 61.567177][ T1742] ? mark_held_locks+0xe0/0xe0 [ 61.571950][ T1742] ? display_open+0x1f/0x1d0 [ 61.576528][ T1742] ? __lock_acquire+0x145e/0x3eb0 [ 61.581540][ T1742] ? mutex_trylock+0x2c0/0x2c0 [ 61.586288][ T1742] ? lock_acquire+0x127/0x320 [ 61.590938][ T1742] ? usb_open+0x23/0x270 [ 61.595246][ T1742] ? down_read+0x115/0x420 [ 61.599644][ T1742] ? m_show+0x4f0/0x4f0 [ 61.603776][ T1742] ? display_open+0x1f/0x1d0 [ 61.608355][ T1742] display_open+0x1f/0x1d0 [ 61.612760][ T1742] ? usb_tx_callback+0x110/0x110 [ 61.617677][ T1742] usb_open+0x1df/0x270 [ 61.621812][ T1742] ? usb_devnode+0xa0/0xa0 [ 61.626204][ T1742] chrdev_open+0x219/0x5c0 [ 61.630597][ T1742] ? cdev_put.part.0+0x50/0x50 [ 61.635364][ T1742] do_dentry_open+0x494/0x1120 [ 61.640114][ T1742] ? cdev_put.part.0+0x50/0x50 [ 61.644848][ T1742] ? chmod_common+0x3c0/0x3c0 [ 61.649500][ T1742] ? inode_permission+0xbe/0x3a0 [ 61.654409][ T1742] path_openat+0x1430/0x3f50 [ 61.658987][ T1742] ? save_stack+0x1b/0x80 [ 61.663289][ T1742] ? do_sys_open+0x294/0x580 [ 61.667859][ T1742] ? do_syscall_64+0xb7/0x580 [ 61.672513][ T1742] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 61.678553][ T1742] ? path_lookupat.isra.0+0x8d0/0x8d0 [ 61.683908][ T1742] ? __lock_acquire+0x145e/0x3eb0 [ 61.688908][ T1742] do_filp_open+0x1a1/0x280 [ 61.693473][ T1742] ? may_open_dev+0xf0/0xf0 [ 61.697948][ T1742] ? __alloc_fd+0x46d/0x600 [ 61.702428][ T1742] ? _raw_spin_unlock+0x1f/0x30 [ 61.707250][ T1742] ? __alloc_fd+0x46d/0x600 [ 61.711728][ T1742] do_sys_open+0x3c0/0x580 [ 61.716117][ T1742] ? filp_open+0x70/0x70 [ 61.720341][ T1742] ? switch_fpu_return+0x1c2/0x430 [ 61.725426][ T1742] ? hrtimer_nanosleep+0x4f0/0x4f0 [ 61.730515][ T1742] ? trace_hardirqs_off_caller+0x55/0x1e0 [ 61.736208][ T1742] do_syscall_64+0xb7/0x580 [ 61.740705][ T1742] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 61.747019][ T1742] RIP: 0033:0x4018e0 [ 61.750889][ T1742] Code: 01 f0 ff ff 0f 83 c0 0b 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d ed 1d 2d 00 00 75 14 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 94 0b 00 00 c3 48 83 ec 08 e8 fa 00 00 00 [ 61.770491][ T1742] RSP: 002b:00007ffcc919ea78 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 61.778890][ T1742] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004018e0 executing program [ 61.786840][ T1742] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00007ffcc919ea90 [ 61.794788][ T1742] RBP: 000000000000e155 R08: 0000000000000000 R09: 000000000000000f [ 61.802748][ T1742] R10: 0000000000000064 R11: 0000000000000246 R12: 0000000000402900 [ 61.810698][ T1742] R13: 0000000000402990 R14: 0000000000000000 R15: 0000000000000000 [ 61.820453][ T102] usb 1-1: USB disconnect, device number 5 [ 62.407401][ T102] usb 1-1: new high-speed USB device number 6 using dummy_hcd [ 62.767461][ T102] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x84 has an invalid bInterval 0, changing to 7 [ 62.778380][ T102] usb 1-1: New USB device found, idVendor=15c2, idProduct=0035, bcdDevice=d2.65 [ 62.787595][ T102] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 62.796121][ T102] usb 1-1: config 0 descriptor?? [ 62.839261][ T102] input: iMON Panel, Knob and Mouse(15c2:0035) as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/input/input13 [ 63.067481][ T102] Registered IR keymap rc-imon-pad [ 63.287765][ T102] rc rc0: iMON Remote (15c2:0035) as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/rc/rc0 [ 63.298268][ T102] input: iMON Remote (15c2:0035) as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/rc/rc0/input14 [ 63.312107][ T102] imon 1-1:0.0: iMON device (15c2:0035, intf0) on usb<1:6> initialized executing program [ 63.467613][ T1746] imon:display_open: could not find interface for minor 3 [ 63.475462][ T102] usb 1-1: USB disconnect, device number 6 [ 63.481331][ C0] imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored [ 63.997414][ T102] usb 1-1: new high-speed USB device number 7 using dummy_hcd [ 64.357511][ T102] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x84 has an invalid bInterval 0, changing to 7 [ 64.368434][ T102] usb 1-1: New USB device found, idVendor=15c2, idProduct=0035, bcdDevice=d2.65 [ 64.377482][ T102] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 64.386364][ T102] usb 1-1: config 0 descriptor?? [ 64.429298][ T102] input: iMON Panel, Knob and Mouse(15c2:0035) as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/input/input15 [ 64.657589][ T102] Registered IR keymap rc-imon-pad [ 64.877683][ T102] rc rc0: iMON Remote (15c2:0035) as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/rc/rc0 [ 64.888182][ T102] input: iMON Remote (15c2:0035) as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/rc/rc0/input16 [ 64.901346][ T102] imon 1-1:0.0: iMON device (15c2:0035, intf0) on usb<1:7> initialized executing program [ 65.057652][ T1750] imon:display_open: could not find interface for minor 3 [ 65.065450][ T102] usb 1-1: USB disconnect, device number 7 [ 65.071320][ C0] imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored [ 65.587356][ T102] usb 1-1: new high-speed USB device number 8 using dummy_hcd [ 65.947451][ T102] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x84 has an invalid bInterval 0, changing to 7 [ 65.958401][ T102] usb 1-1: New USB device found, idVendor=15c2, idProduct=0035, bcdDevice=d2.65 [ 65.967448][ T102] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 65.977911][ T102] usb 1-1: config 0 descriptor?? [ 66.019312][ T102] input: iMON Panel, Knob and Mouse(15c2:0035) as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/input/input17 [ 66.257454][ T102] Registered IR keymap rc-imon-pad [ 66.477918][ T102] rc rc0: iMON Remote (15c2:0035) as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/rc/rc0 [ 66.488432][ T102] input: iMON Remote (15c2:0035) as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/rc/rc0/input18 [ 66.501067][ T102] imon 1-1:0.0: iMON device (15c2:0035, intf0) on usb<1:8> initialized executing program [ 66.657594][ T1754] imon:display_open: could not find interface for minor 3 [ 66.665518][ T102] usb 1-1: USB disconnect, device number 8 [ 67.197605][ T102] usb 1-1: new high-speed USB device number 9 using dummy_hcd [ 67.557514][ T102] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x84 has an invalid bInterval 0, changing to 7 [ 67.568972][ T102] usb 1-1: New USB device found, idVendor=15c2, idProduct=0035, bcdDevice=d2.65 [ 67.578009][ T102] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 67.586539][ T102] usb 1-1: config 0 descriptor?? [ 67.629357][ T102] input: iMON Panel, Knob and Mouse(15c2:0035) as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/input/input19 [ 67.857422][ T102] Registered IR keymap rc-imon-pad [ 68.077869][ T102] rc rc0: iMON Remote (15c2:0035) as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/rc/rc0 [ 68.088413][ T102] input: iMON Remote (15c2:0035) as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/rc/rc0/input20 [ 68.101133][ T102] imon 1-1:0.0: iMON device (15c2:0035, intf0) on usb<1:9> initialized executing program [ 68.257627][ T1758] imon:display_open: could not find interface for minor 3 [ 68.265597][ T102] usb 1-1: USB disconnect, device number 9 [ 68.797608][ T102] usb 1-1: new high-speed USB device number 10 using dummy_hcd [ 69.157477][ T102] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x84 has an invalid bInterval 0, changing to 7 [ 69.168395][ T102] usb 1-1: New USB device found, idVendor=15c2, idProduct=0035, bcdDevice=d2.65 [ 69.177428][ T102] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 69.185973][ T102] usb 1-1: config 0 descriptor?? [ 69.229286][ T102] input: iMON Panel, Knob and Mouse(15c2:0035) as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/input/input21 [ 69.457406][ T102] Registered IR keymap rc-imon-pad [ 69.677709][ T102] rc rc0: iMON Remote (15c2:0035) as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/rc/rc0 [ 69.688222][ T102] input: iMON Remote (15c2:0035) as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/rc/rc0/input22 [ 69.700841][ T102] imon 1-1:0.0: iMON device (15c2:0035, intf0) on usb<1:10> initialized executing program [ 69.857605][ T1762] imon:display_open: could not find interface for minor 3 [ 69.865505][ T83] usb 1-1: USB disconnect, device number 10 [ 70.407394][ T83] usb 1-1: new high-speed USB device number 11 using dummy_hcd [ 70.767449][ T83] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x84 has an invalid bInterval 0, changing to 7 [ 70.778416][ T83] usb 1-1: New USB device found, idVendor=15c2, idProduct=0035, bcdDevice=d2.65 [ 70.787503][ T83] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 70.796046][ T83] usb 1-1: config 0 descriptor?? [ 70.849290][ T83] input: iMON Panel, Knob and Mouse(15c2:0035) as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/input/input23