Kernel Panic on Catalina OS and brand new MacBook Pro 16

Can someone help me understand that is causing the kernel Panic. I do have Office, Parallels, some other network monitoring tools. I just bought this new MacBook Pro to get away from the Kernel Issues I was having on an IMAC, but now it seems to be happening again. Any help or suggestions would be welcomed.


Thank you,


panic(cpu 6 caller 0xffffff8005b928c8): "a freed zone element has been modified in zone kalloc.1664: expected 0xdeadbeefdeadbeef but found 0xdeadbeeedeadbeef, bits changed 0x100000000, at offset 1360 of 1664 in element 0xffffff8050439e00, cookies 0x3f00115f6d44bdc4 0x5352188c0e99281"@/BuildRoot/Library/Caches/com.apple.xbs/Sources/xnu/xnu-6153.41.3/osfmk/kern/zalloc.c:1229

Backtrace (CPU 6), Frame : Return Address

0xffffff922bbeb8f0 : 0xffffff8005b39a3b

0xffffff922bbeb940 : 0xffffff8005c70fe5

0xffffff922bbeb980 : 0xffffff8005c62a5e

0xffffff922bbeb9d0 : 0xffffff8005ae0a40

0xffffff922bbeb9f0 : 0xffffff8005b39127

0xffffff922bbebaf0 : 0xffffff8005b3950b

0xffffff922bbebb40 : 0xffffff80062d17f9

0xffffff922bbebbb0 : 0xffffff8005b928c8

0xffffff922bbebbe0 : 0xffffff8005b9174b

0xffffff922bbebd10 : 0xffffff8005b466b4

0xffffff922bbebd80 : 0xffffff8005b15550

0xffffff922bbebdb0 : 0xffffff8005b3f743

0xffffff922bbebe10 : 0xffffff8005b16545

0xffffff922bbebe70 : 0xffffff8005b2cff5

0xffffff922bbebf00 : 0xffffff8005c49085

0xffffff922bbebfa0 : 0xffffff8005ae1226


BSD process name corresponding to current thread: sysmond

Boot args: chunklist-security-epoch=0 -chunklist-no-rev2-dev


Mac OS version:

19B2106


Kernel version:

Darwin Kernel Version 19.0.0: Wed Oct 23 18:29:05 PDT 2019; root:xnu-6153.41.3~44/RELEASE_X86_64

Kernel UUID: A2105C6A-7856-3F61-8E00-36E694C78609

Kernel slide: 0x0000000005800000

Kernel text base: 0xffffff8005a00000

__HIB text base: 0xffffff8005900000

System model name: MacBookPro16,1 (Mac-E1008331FDC96864)

System shutdown begun: NO

MacBook Pro 15", macOS 10.15

Posted on Dec 4, 2019 8:18 PM

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Kernel Panic on Catalina OS and brand new MacBook Pro 16

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