最近被内核恐慌困扰，请大家帮我看看

ISPP3015

10.15.4开始一直不稳定，用一段时间就死机，10.15.5好了点，今天中午12点左右开机到晚上9：40 一直稳定运行。也没干什么事开着网页挂着微信。
死机后 重启，有报告：
panic(cpu 2 caller 0xffffff7f875dcad5): userspace watchdog timeout: no successful checkins from com.apple.logd in 120 seconds
service returned not alive with context : unresponsive dispatch queue(s): com.apple.firehose.io-wl
service: com.apple.logd, total successful checkins since load (37290 seconds ago): 3718, last successful checkin: 120 seconds ago
service: com.apple.WindowServer, total successful checkins since load (37260 seconds ago): 3726, last successful checkin: 0 seconds ago

Backtrace (CPU 2), Frame : Return Address
0xffffff83cb023720 : 0xffffff800631f5cd
0xffffff83cb023770 : 0xffffff8006458b05
0xffffff83cb0237b0 : 0xffffff800644a68e
0xffffff83cb023800 : 0xffffff80062c5a40
0xffffff83cb023820 : 0xffffff800631ec97
0xffffff83cb023920 : 0xffffff800631f087
0xffffff83cb023970 : 0xffffff8006ac2858
0xffffff83cb0239e0 : 0xffffff7f875dcad5
0xffffff83cb0239f0 : 0xffffff7f875dc7fa
0xffffff83cb023a10 : 0xffffff8006a54aae
0xffffff83cb023a60 : 0xffffff7f875dbcfe
0xffffff83cb023b60 : 0xffffff8006a5dcd3
0xffffff83cb023ca0 : 0xffffff80064082b2
0xffffff83cb023db0 : 0xffffff8006325328
0xffffff83cb023e10 : 0xffffff80062fbcc5
0xffffff83cb023e70 : 0xffffff8006312aa2
0xffffff83cb023f00 : 0xffffff8006430d05
0xffffff83cb023fa0 : 0xffffff80062c6226
      Kernel Extensions in backtrace:
         com.apple.driver.watchdog(1.0)[B435C72B-B311-3C67-8AA1-1D5CE0FAD429]@0xffffff7f875db000->0xffffff7f875e3fff

BSD process name corresponding to current thread: watchdogd
Boot args: -gux_defer_usb2 kext-dev-mode=1 "Kernel=/System/Library/Kernels/kernel"

Mac OS version:
19F96

Kernel version:
Darwin Kernel Version 19.5.0: Thu Apr 30 18:25:59 PDT 2020; root:xnu-6153.121.1~7/RELEASE_X86_64
Kernel UUID: 7B7F06EE-1B75-345E-B898-2FD4FEC20F0D
Kernel slide:     0x0000000006000000
Kernel text base: 0xffffff8006200000
__HIB  text base: 0xffffff8006100000
System model name: MacPro7,1 (Mac-27AD2F918AE68F61)
System shutdown begun: NO
Panic diags file available: YES (0x0)

System uptime in nanoseconds: 37294477546058
last loaded kext at 36144370193217: @filesystems.msdosfs        1.10 (addr 0xffffff7f8b387000, size 69632)
last unloaded kext at 37234612264396: >usb.cdc        5.0.0 (addr 0xffffff7f8b316000, size 28672)


百度了关键字Kernel Extensions in backtrace:
         com.apple.driver.watchdog 感觉原来白果这个问题的也不少。时不时的出这个问题不知道哪里不对呢。
Z170-AR+RX580 clover引导，请大佬们帮我分析分析 十分感谢