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panic(cpu 2 caller 0xffffff800d8e3bff): "soreceive: sb 0xffffff80419c6068 so 0xffffff80419c6000 cc 68 mbcnt 2304 mb 0xffffff8201e73900 mbtail 0xffffff8201e73900 " "lastrecord 0xffffff8201e73900\n"@/AppleInternal/BuildRoot/Library/Caches/com.apple.xbs

panic(cpu 2 caller 0xffffff800d8e3bff): "soreceive: sb 0xffffff80419c6068 so 0xffffff80419c6000 cc 68 mbcnt 2304 mb 0xffffff8201e73900 mbtail 0xffffff8201e73900 " "lastrecord 0xffffff8201e73900\n"@/AppleInternal/BuildRoot/Library/Caches/com.apple.xbs/Sources/xnu/xnu-6153.121.2/bsd/kern/uipc_socket2.c:1954


Is this a serious error where I need to worry about it too much, never this happened, I am using a MacBook Pro 2018 with Touch Bar and it happened today for the first time, the system got restarted suddenly when I was doing some journalising and watching a movie simultanesouly on Quick time player.


Please let me know, is this a serious error to be worried, if so, what should be done for next time to prevent this?

MacBook Pro 15”, macOS 10.15

Posted on Jul 12, 2020 8:48 AM

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Question marked as Top-ranking reply

Posted on Jul 12, 2020 9:31 AM

Kernel panic information is saved in non-volatile RAM and at next startup, is formatted into a human readable report and stored at:


/Library/Logs/DiagnosticReports


Copy the above string and paste it into:

Finder> Go menu > Go to folder ...

to get there.

Look at the files there. Panic reports named with Date&Time and end in .panic

Post the most recent one, or the one you noted above, in its entirety.


Please do not post more than about 20 lines of other types of reports -- they are interminable, and the important information (if any) appears in the first screen.

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4 replies
Question marked as Top-ranking reply

Jul 12, 2020 9:31 AM in response to Quasar2018

Kernel panic information is saved in non-volatile RAM and at next startup, is formatted into a human readable report and stored at:


/Library/Logs/DiagnosticReports


Copy the above string and paste it into:

Finder> Go menu > Go to folder ...

to get there.

Look at the files there. Panic reports named with Date&Time and end in .panic

Post the most recent one, or the one you noted above, in its entirety.


Please do not post more than about 20 lines of other types of reports -- they are interminable, and the important information (if any) appears in the first screen.

Jul 12, 2020 9:19 AM in response to Quasar2018

You need to post the whole Kernel Panic report here using the "Additional Text" icon which looks like a piece of paper. Launch the Console app located in the Utilities folder. Within the Console app, look inside the following folders on the left pane of the Console app which will open up another pane to the right. macOS keeps moving the location of these Kernel Panic files so look in folders with names similar to "Diagnostic Reports", "System Reports", "/var/log", and "/private/var/log". The Kernel Panic file names will begin with "kernel" and end in ".panic". Post several Kernel Panic reports if you have them.


Also run EtreCheck and post the report here using the "Additional Text" icon which looks like a piece of paper.

panic(cpu 2 caller 0xffffff800d8e3bff): "soreceive: sb 0xffffff80419c6068 so 0xffffff80419c6000 cc 68 mbcnt 2304 mb 0xffffff8201e73900 mbtail 0xffffff8201e73900 " "lastrecord 0xffffff8201e73900\n"@/AppleInternal/BuildRoot/Library/Caches/com.apple.xbs

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