usbtmc 2-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 rcu: INFO: rcu_sched self-detected stall on CPU rcu: 1-...!: (1 GPs behind) idle=532/1/0x4000000000000000 softirq=11090/11095 fqs=7 (t=10500 jiffies g=7289 q=208) rcu: rcu_sched kthread timer wakeup didn't happen for 10450 jiffies! g7289 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 rcu: Possible timer handling issue on cpu=0 timer-softirq=2760 rcu: rcu_sched kthread starved for 10451 jiffies! g7289 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 rcu: Unless rcu_sched kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_sched state:I stack:28872 pid: 11 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4339 [inline] __schedule+0x920/0x1f70 kernel/sched/core.c:5147 schedule+0xcb/0x270 kernel/sched/core.c:5226 schedule_timeout+0x14a/0x250 kernel/time/timer.c:1892 rcu_gp_fqs_loop kernel/rcu/tree.c:2004 [inline] rcu_gp_kthread+0xa4b/0x1c70 kernel/rcu/tree.c:2177 kthread+0x38c/0x460 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 rcu: Stack dump where RCU GP kthread last ran: Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 2611 Comm: kworker/0:2 Not tainted 5.13.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: usb_hub_wq hub_event RIP: 0010:arch_safe_halt arch/x86/include/asm/irqflags.h:90 [inline] RIP: 0010:kvm_wait arch/x86/kernel/kvm.c:888 [inline] RIP: 0010:kvm_wait+0xb2/0x100 arch/x86/kernel/kvm.c:871 Code: 89 74 24 0c 48 89 3c 24 e8 bb b2 36 00 8b 74 24 0c 48 8b 3c 24 eb 82 e8 dc b5 36 00 e9 07 00 00 00 0f 00 2d d0 ca f4 04 fb f4 98 e9 07 00 00 00 0f 00 2d c0 ca f4 04 f4 eb bf 89 74 24 0c 48 RSP: 0018:ffffc9000741f560 EFLAGS: 00000206 RAX: 00000000000b9b05 RBX: 0000000000000000 RCX: 1ffffffff151e672 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81105524 RBP: ffffffff87bc5220 R08: 0000000000000001 R09: ffffffff8a8ee72f R10: 0000000000000001 R11: 0000000000000004 R12: 0000000000000000 R13: fffffbfff0f78a44 R14: 0000000000000001 R15: ffff8881f6834080 FS: 0000000000000000(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc307678f0 CR3: 00000001101cb000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pv_wait arch/x86/include/asm/paravirt.h:597 [inline] pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline] __pv_queued_spin_lock_slowpath+0x86f/0xad0 kernel/locking/qspinlock.c:508 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline] queued_spin_lock include/asm-generic/qspinlock.h:85 [inline] do_raw_spin_lock+0x200/0x2b0 kernel/locking/spinlock_debug.c:113 spin_lock include/linux/spinlock.h:354 [inline] kernfs_put.part.0+0x269/0x540 fs/kernfs/dir.c:534 kernfs_put+0x42/0x50 fs/kernfs/dir.c:511 __kernfs_remove+0x703/0xa90 fs/kernfs/dir.c:1345 kernfs_remove_by_name_ns+0x51/0xb0 fs/kernfs/dir.c:1517 kernfs_remove_by_name include/linux/kernfs.h:593 [inline] sysfs_unmerge_group+0xe3/0x160 fs/sysfs/group.c:369 rpm_sysfs_remove drivers/base/power/sysfs.c:826 [inline] dpm_sysfs_remove+0x79/0xb0 drivers/base/power/sysfs.c:835 device_del+0x20c/0xd40 drivers/base/core.c:3485 device_unregister+0x22/0xc0 drivers/base/core.c:3541 usb_remove_ep_devs+0x3e/0x80 drivers/usb/core/endpoint.c:188 remove_intf_ep_devs drivers/usb/core/message.c:1261 [inline] usb_disable_device+0x306/0x7b0 drivers/usb/core/message.c:1412 usb_disconnect.cold+0x27d/0x791 drivers/usb/core/hub.c:2219 hub_port_connect drivers/usb/core/hub.c:5127 [inline] hub_port_connect_change drivers/usb/core/hub.c:5416 [inline] port_event drivers/usb/core/hub.c:5562 [inline] hub_event+0x1c9c/0x4330 drivers/usb/core/hub.c:5644 process_one_work+0x98d/0x1580 kernel/workqueue.c:2275 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421 kthread+0x38c/0x460 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 NMI backtrace for cpu 1 CPU: 1 PID: 4692 Comm: kworker/1:6 Not tainted 5.13.0-rc2-syzkaller #0 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:79 [inline] dump_stack+0x143/0x1db lib/dump_stack.c:120 nmi_cpu_backtrace.cold+0x46/0xe0 lib/nmi_backtrace.c:105 nmi_trigger_cpumask_backtrace+0x1da/0x200 lib/nmi_backtrace.c:62 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline] rcu_dump_cpu_stacks+0x222/0x2a7 kernel/rcu/tree_stall.h:341 print_cpu_stall kernel/rcu/tree_stall.h:624 [inline] check_cpu_stall kernel/rcu/tree_stall.h:699 [inline] rcu_pending kernel/rcu/tree.c:3911 [inline] rcu_sched_clock_irq.cold+0x15d/0x3d4 kernel/rcu/tree.c:2649 update_process_times+0x139/0x1b0 kernel/time/timer.c:1796 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:226 tick_sched_timer+0x1a4/0x2c0 kernel/time/tick-sched.c:1373 __run_hrtimer kernel/time/hrtimer.c:1537 [inline] __hrtimer_run_queues+0x1c0/0xd80 kernel/time/hrtimer.c:1601 hrtimer_interrupt+0x2fc/0x9b0 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xf5/0x420 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0x2f/0x90 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:647 RIP: 0010:_raw_spin_unlock_irqrestore+0x3a/0x50 kernel/locking/spinlock.c:192 Code: 10 e8 5a 38 71 fb 48 89 ef e8 92 ae 71 fb 81 e3 00 02 00 00 75 17 9c 58 f6 c4 02 75 17 48 85 db 74 01 fb 65 ff 0d 46 23 4b 7a <5b> 5d c3 e8 3e 3f 90 fb eb e2 e8 a7 37 fe ff eb e2 0f 1f 44 00 00 RSP: 0018:ffffc90000148b10 EFLAGS: 00000202 RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff1524d7a RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff85b6cbc2 RBP: ffff88810f2c8000 R08: 0000000000000001 R09: ffffffff8a8ee7b7 R10: 0000000000000001 R11: 0000000000000000 R12: ffff88810f3c2440 R13: ffff88810e7af400 R14: dffffc0000000000 R15: ffff8881088d9600 spin_unlock_irqrestore include/linux/spinlock.h:409 [inline] dummy_timer+0x12f1/0x32a0 drivers/usb/gadget/udc/dummy_hcd.c:1992 call_timer_fn+0x1a5/0x630 kernel/time/timer.c:1431 expire_timers kernel/time/timer.c:1476 [inline] __run_timers.part.0+0x67c/0xa10 kernel/time/timer.c:1745 __run_timers kernel/time/timer.c:1726 [inline] run_timer_softirq+0x80/0x120 kernel/time/timer.c:1758 __do_softirq+0x1b0/0x944 kernel/softirq.c:559 invoke_softirq kernel/softirq.c:433 [inline] __irq_exit_rcu kernel/softirq.c:637 [inline] irq_exit_rcu+0x119/0x1a0 kernel/softirq.c:649 sysvec_apic_timer_interrupt+0x6a/0x90 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:647 RIP: 0010:_raw_spin_unlock_irqrestore+0x3a/0x50 kernel/locking/spinlock.c:192 Code: 10 e8 5a 38 71 fb 48 89 ef e8 92 ae 71 fb 81 e3 00 02 00 00 75 17 9c 58 f6 c4 02 75 17 48 85 db 74 01 fb 65 ff 0d 46 23 4b 7a <5b> 5d c3 e8 3e 3f 90 fb eb e2 e8 a7 37 fe ff eb e2 0f 1f 44 00 00 RSP: 0018:ffffc90000cc6648 EFLAGS: 00000282 RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff151e672 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff85b6cbc2 RBP: ffffffff87d5aa40 R08: 0000000000000001 R09: ffffffff8a8ee72f R10: 0000000000000001 R11: 1ffff92000198ca2 R12: 0000000000000029 R13: 0000000000000160 R14: ffff8881021f83e0 R15: ffff8881f54a56b0 stack_depot_save+0x239/0x4e0 lib/stackdepot.c:332 kasan_save_stack+0x32/0x40 mm/kasan/common.c:40 kasan_set_track mm/kasan/common.c:46 [inline] set_alloc_info mm/kasan/common.c:428 [inline] __kasan_slab_alloc+0x61/0x80 mm/kasan/common.c:461 kasan_slab_alloc include/linux/kasan.h:236 [inline] slab_post_alloc_hook mm/slab.h:524 [inline] slab_alloc_node mm/slub.c:2912 [inline] slab_alloc mm/slub.c:2920 [inline] kmem_cache_alloc+0x13e/0x360 mm/slub.c:2925 radix_tree_node_alloc.constprop.0+0x1e4/0x2f0 lib/radix-tree.c:251 idr_get_free+0x554/0xa60 lib/radix-tree.c:1505 idr_alloc_u32+0x170/0x2d0 lib/idr.c:46 idr_alloc_cyclic+0x102/0x230 lib/idr.c:125 __kernfs_new_node+0x117/0x810 fs/kernfs/dir.c:632 kernfs_new_node+0x93/0x120 fs/kernfs/dir.c:688 kernfs_create_link+0xcb/0x230 fs/kernfs/symlink.c:39 sysfs_do_create_link_sd+0x90/0x140 fs/sysfs/symlink.c:44 sysfs_do_create_link fs/sysfs/symlink.c:80 [inline] sysfs_create_link+0x5f/0xc0 fs/sysfs/symlink.c:92 device_create_sys_dev_entry drivers/base/core.c:3143 [inline] device_add+0xfe5/0x2100 drivers/base/core.c:3287 device_create_groups_vargs+0x203/0x280 drivers/base/core.c:3979 device_create+0xdf/0x120 drivers/base/core.c:4021 usb_register_dev drivers/usb/core/file.c:203 [inline] usb_register_dev+0x3a0/0x7e0 drivers/usb/core/file.c:156 usbtmc_probe+0xf6b/0x1a30 drivers/usb/class/usbtmc.c:2459 usb_probe_interface+0x315/0x7f0 drivers/usb/core/driver.c:396 really_probe+0x291/0xf60 drivers/base/dd.c:576 driver_probe_device+0x298/0x410 drivers/base/dd.c:763 __device_attach_driver+0x203/0x2c0 drivers/base/dd.c:870 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431 __device_attach+0x228/0x4b0 drivers/base/dd.c:938 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491 device_add+0xbe0/0x2100 drivers/base/core.c:3320 usb_set_configuration+0x113f/0x1910 drivers/usb/core/message.c:2164 usb_generic_driver_probe+0xba/0x100 drivers/usb/core/generic.c:238 usb_probe_device+0xd9/0x2c0 drivers/usb/core/driver.c:293 really_probe+0x291/0xf60 drivers/base/dd.c:576 driver_probe_device+0x298/0x410 drivers/base/dd.c:763 __device_attach_driver+0x203/0x2c0 drivers/base/dd.c:870 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431 __device_attach+0x228/0x4b0 drivers/base/dd.c:938 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491 device_add+0xbe0/0x2100 drivers/base/core.c:3320 usb_new_device.cold+0x721/0x1058 drivers/usb/core/hub.c:2556 hub_port_connect drivers/usb/core/hub.c:5276 [inline] hub_port_connect_change drivers/usb/core/hub.c:5416 [inline] port_event drivers/usb/core/hub.c:5562 [inline] hub_event+0x2357/0x4330 drivers/usb/core/hub.c:5644 process_one_work+0x98d/0x1580 kernel/workqueue.c:2275 process_scheduled_works kernel/workqueue.c:2337 [inline] worker_thread+0x82b/0x1120 kernel/workqueue.c:2423 kthread+0x38c/0x460 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 6-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 6-1:0.0: usb_submit_urb failed: -19 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status 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status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status 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status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status 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2-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 3-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71 usbtmc 5-1:0.0: unknown status received: -71 usbtmc 4-1:0.0: unknown status received: -71 usbtmc 2-1:0.0: unknown status received: -71 usbtmc 1-1:0.0: unknown status received: -71