rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2688 jiffies s: 3837 root: 0x1/. rcu: blocking rcu_node structures (internal RCU debug): Sending NMI from CPU 1 to CPUs 0: cdc_wdm 2-1:1.0: nonzero urb status received: -71 NMI backtrace for cpu 0 CPU: 0 PID: 7108 Comm: syz-executor.1 Not tainted 6.8.0-rc6-syzkaller-00190-ga788e53c05ae #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:io_serial_out+0x8f/0xb0 drivers/tty/serial/8250/8250_port.c:417 Code: 48 8d 7d 40 44 89 e1 48 b8 00 00 00 00 00 fc ff df 48 89 fa d3 e3 48 c1 ea 03 80 3c 02 00 75 18 66 03 5d 40 44 89 e8 89 da ee <5b> 5d 41 5c 41 5d c3 e8 35 b3 13 ff eb a4 e8 8e b3 13 ff eb e1 66 RSP: 0018:ffffc90000007400 EFLAGS: 00000006 RAX: 0000000000000000 RBX: 00000000000003f9 RCX: 0000000000000000 RDX: 00000000000003f9 RSI: ffffffff828833b5 RDI: ffffffff8c1ab320 RBP: ffffffff8c1ab2e0 R08: 0000000000000001 R09: 000000000000001f R10: 0000000000000000 R11: 0000000000000004 R12: 0000000000000000 R13: 0000000000000000 R14: ffffffff8c1ab330 R15: 0000000000000056 FS: 00005555567dc480(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc308c55290 CR3: 000000013b38b000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: serial_out drivers/tty/serial/8250/8250.h:122 [inline] serial8250_clear_IER+0x98/0xb0 drivers/tty/serial/8250/8250_port.c:710 serial8250_console_write+0x18e/0x1060 drivers/tty/serial/8250/8250_port.c:3409 console_emit_next_record kernel/printk/printk.c:2901 [inline] console_flush_all+0x4d8/0xd60 kernel/printk/printk.c:2967 console_unlock+0x10c/0x260 kernel/printk/printk.c:3036 vprintk_emit+0x17f/0x5f0 kernel/printk/printk.c:2303 dev_vprintk_emit drivers/base/core.c:4864 [inline] dev_printk_emit+0xfb/0x140 drivers/base/core.c:4875 __dev_printk+0xf5/0x270 drivers/base/core.c:4887 _dev_err+0xe5/0x120 drivers/base/core.c:4930 wdm_int_callback+0x10f/0xaa0 drivers/usb/class/cdc-wdm.c:269 __usb_hcd_giveback_urb+0x359/0x5c0 drivers/usb/core/hcd.c:1648 usb_hcd_giveback_urb+0x389/0x430 drivers/usb/core/hcd.c:1731 dummy_timer+0x1415/0x3600 drivers/usb/gadget/udc/dummy_hcd.c:1987 call_timer_fn+0x193/0x590 kernel/time/timer.c:1700 expire_timers kernel/time/timer.c:1751 [inline] __run_timers+0x759/0xaa0 kernel/time/timer.c:2038 run_timer_softirq+0x58/0xd0 kernel/time/timer.c:2051 __do_softirq+0x20a/0x8c1 kernel/softirq.c:553 invoke_softirq kernel/softirq.c:427 [inline] __irq_exit_rcu kernel/softirq.c:632 [inline] irq_exit_rcu+0xa7/0x110 kernel/softirq.c:644 sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1076 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649 RIP: 0010:clockid_to_kclock kernel/time/posix-timers.c:1540 [inline] RIP: 0010:clockid_to_kclock kernel/time/posix-timers.c:1528 [inline] RIP: 0010:__do_sys_clock_nanosleep kernel/time/posix-timers.c:1377 [inline] RIP: 0010:__se_sys_clock_nanosleep kernel/time/posix-timers.c:1373 [inline] RIP: 0010:__x64_sys_clock_nanosleep+0x15d/0x490 kernel/time/posix-timers.c:1373 Code: 48 63 ed 48 83 fd 0b 0f 87 de 02 00 00 48 8d 3c ed 00 8d 8a 86 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 b1 02 00 00 48 8b 2c ed 00 8d 8a 86 e8 50 ba 0e 00 48 85 ed RSP: 0018:ffffc90009e57e78 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: 1ffff920013cafd2 RCX: ffffffff813f2b29 RDX: 1ffffffff0d151a0 RSI: ffffffff813f2b37 RDI: ffffffff868a8d00 RBP: 0000000000000000 R08: 0000000000000005 R09: 000000000000000b R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 00007ffcab3fd150 R14: 0000000000000000 R15: 0000000000000000 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f246c9cb273 Code: 00 00 00 00 0f 1f 00 83 ff 03 74 7b 83 ff 02 b8 fa ff ff ff 49 89 ca 0f 44 f8 80 3d 8e 6c 0d 00 00 74 14 b8 e6 00 00 00 0f 05 d8 c3 66 2e 0f 1f 84 00 00 00 00 00 48 83 ec 28 48 89 54 24 10 RSP: 002b:00007ffcab3fd138 EFLAGS: 00000202 ORIG_RAX: 00000000000000e6 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f246c9cb273 RDX: 00007ffcab3fd150 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffcab3fd1dc R08: 0000000000000175 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000032 R13: 000000000005b003 R14: 000000000005ae67 R15: 000000000000000e cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 1-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callba