免责声明，蓝牙可能不是问题。但是，每次执行此命令后都会弹出消息框。
pactl load-module module-bluetooth-discover
转储文件如下：
ProblemType: KernelOops
Annotation: Your system might become unstable now and might need to be restarted.
Date: Sun Mar 3 11:10:03 2019
Failure: oops
OopsText:
BUG: unable to handle kernel NULL pointer dereference at 0000000000000020
IP: klist_next+0x16/0xd0
PGD 0 P4D 0
Oops: 0000 [#1] SMP PTI
Modules linked in: rfcomm msr vmnet(OE) vmw_vsock_vmci_transport vsock vmw_vmci vmmon(OE) cmac bnep nls_iso8859_1 btusb btrtl btbcm btintel bluetooth uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_core ecdh_generic videodev media snd_hda_codec_hdmi intel_rapl x86_pkg_temp_thermal intel_powerclamp …