The suggestion there was to wipe OS and restore from backup (not sure how that would help if the problem has to do with OS update), but will attempt that next, (over the weekend) just to eliminate it as a possible solution. I submitted every crash report to Apple, also tried my luck on the community forums, to no avail. Since I have 2 different docks, the only thing in common is my MBP & BigSur update, I think that was the culprit.Īttached is the latest crash report from Monday.Ĭontacted CalDigit support - they have no suggestions, other than saying they had no other reports of this issue. The issues started occurring after the BigSur update 2 weeks ago to 11.3.1 from 11.3.0 When I move my between locations, my MBP crashes about 10-15 seconds after reconnecting to the dock at the new location.Īlso, can happen if I power cycle my dock (not consistently thou)ĭis/Re/connecting to the same dock seems to be better (only 1 crash during my testing) (in a time period of a couple of minutes) Having the same issue with my 2 CalDigit USB-C Pro docks (one at home, one at work). System model name: MacBookPro16,4 (Mac-A61BADE1FDAD7B05) Kernel Extensions in name corresponding to current thread: kernel_taskīoot args: chunklist-security-epoch=0 -chunklist-no-rev2-dev chunklist-security-epoch=0 -chunklist-no-rev2-devĭarwin Kernel Version 20.4.0: Thu Apr 22 21:46: root:xnu-7195.101.2~1/RELEASE_X86_64

Panic(cpu 2 caller 0xffffff8007c9f6b6): : element modified after free (off:1672, val:0xffffffff00000000, sz:2048, ptr:0xffffff9366c03000, prot:zero)īacktrace (CPU 2), Frame : Return Address Kernel Extensions in name corresponding to current thread: update_dyld_sim_shared_cacheīoot args: chunklist-security-epoch=0 -chunklist-no-rev2-devĭarwin Kernel Version 20.5.0: Thu Apr 15 05:31: root:xnu-7195.120.38.111.1~4/RELEASE_X86_64 Problem persist! I have many panics every day! Big Sur panic when connect/disconnect usb-c dock (tested with many usb–c docks including baseus, ugreen, non apple – not reproduced with apple multiport adapter).

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