```
Nov 17 06:44:32 sudoku kernel: INFO: task audacity:5446 blocked for more than 15 seconds.
Nov 17 06:44:32 sudoku kernel:       Tainted: P           O    4.9.61 #1-NixOS
Nov 17 06:44:32 sudoku kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Nov 17 06:44:32 sudoku kernel: audacity        D    0  5446   5032 0x00000000
Nov 17 06:44:32 sudoku kernel:  ffff98d26a95a800 0000000000000000 ffff98d27f457e40 ffff98d22f0e2940
Nov 17 06:44:32 sudoku kernel:  ffff98d26ce08dc0 ffffa6a38266bc80 ffffffff84765082 ffff98d228d4f400
Nov 17 06:44:32 sudoku kernel:  ffffa6a38266bc50 00ffffff8462c3e7 ffffa6a38266bc60 ffff98d22f0e2940
Nov 17 06:44:32 sudoku kernel: Call Trace:
Nov 17 06:44:32 sudoku kernel:  [<ffffffff84765082>] ? __schedule+0x192/0x660
Nov 17 06:44:32 sudoku kernel:  [<ffffffff84765586>] schedule+0x36/0x80
Nov 17 06:44:32 sudoku kernel:  [<ffffffffc079d4ce>] usb_kill_urb+0x6e/0xa0 [usbcore]
Nov 17 06:44:32 sudoku kernel:  [<ffffffff842ad3d0>] ? wake_atomic_t_function+0x60/0x60
Nov 17 06:44:32 sudoku kernel:  [<ffffffffc079c23b>] usb_hcd_flush_endpoint+0xcb/0x1a0 [usbcore]
Nov 17 06:44:32 sudoku kernel:  [<ffffffffc079f478>] usb_disable_endpoint+0x58/0xb0 [usbcore]
Nov 17 06:44:32 sudoku kernel:  [<ffffffffc079f515>] usb_disable_interface+0x45/0x60 [usbcore]
Nov 17 06:44:32 sudoku kernel:  [<ffffffffc079fa42>] usb_set_interface+0x1a2/0x380 [usbcore]
Nov 17 06:44:32 sudoku kernel:  [<ffffffffc117614b>] snd_usb_pcm_close.isra.10+0x8b/0xa0 [snd_usb_audio]
Nov 17 06:44:32 sudoku kernel:  [<ffffffffc1176177>] snd_usb_capture_close+0x17/0x20 [snd_usb_audio]
Nov 17 06:44:32 sudoku kernel:  [<ffffffffc0a2afc7>] snd_pcm_release_substream.part.41+0x47/0xa0 [snd_pcm]
Nov 17 06:44:32 sudoku kernel:  [<ffffffffc0a2b0f7>] snd_pcm_release+0xa7/0xb0 [snd_pcm]
Nov 17 06:44:32 sudoku kernel:  [<ffffffff843ed5ff>] __fput+0xdf/0x1f0
Nov 17 06:44:32 sudoku kernel:  [<ffffffff843ed74e>] ____fput+0xe/0x10
Nov 17 06:44:32 sudoku kernel:  [<ffffffff8428c930>] task_work_run+0x80/0xa0
Nov 17 06:44:32 sudoku kernel:  [<ffffffff8420328a>] exit_to_usermode_loop+0xaa/0xb0
Nov 17 06:44:32 sudoku kernel:  [<ffffffff84203a19>] syscall_return_slowpath+0x59/0x60
Nov 17 06:44:32 sudoku kernel:  [<ffffffff84769f84>] entry_SYSCALL_64_fastpath+0xa7/0xa9
```