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AppleVirtUI errors in guestagent.log


(Planetf1) #1

I keep getting these reported every second in /var/log/guestagent.log

Any ideas? It appears to be docker related.

Note though - this is edge + Mojave +.1 beta

Thu Oct 4 15:13:30 2018 AppleQEMUGuestAgent 1.3-AppleVirtIO-2.0.8~58 (macOSLibertyBSeed tools)
Thu Oct 4 15:13:30 2018 Error opening serial port: ‘/dev/tty.org.qemu.guest_agent.0’ (No such file or directory)


(Jadissa) #2

Confirmed on macOS Mojave 10.14.1 Beta (18B50c)

tail -f  /var/log/guestagent.log
Sat Oct  6 13:48:13 2018 AppleQEMUGuestAgent 1.3-AppleVirtIO-2.0.8~58 (macOSLibertyBSeed tools)
Sat Oct  6 13:48:13 2018 Error opening serial port: '/dev/tty.org.qemu.guest_agent.0' (No such file or directory)

tail -f /var/log/system.log
Oct  6 13:57:04 imac com.apple.xpc.launchd[1] (com.apple.AppleQEMUGuestAgent[70544]): Service exited with abnormal code: 1
Oct  6 13:57:04 imac com.apple.xpc.launchd[1] (com.apple.AppleQEMUGuestAgent): Service only ran for 0 seconds. Pushing respawn out by 1 seconds.

(Jadissa) #3

Still very unclear about this service and I do not recommend running these commands until it is

launchctl list | grep --only-matching --with-filename --line-number --before-context=2 AppleQEMUGuestAgent

launchctl stop com.apple.AppleQEMUGuestAgent

launchctl remove com.apple.AppleQEMUGuestAgent

I see no mention of this service except for on RedHat. From what I’ve learned, it’s a service that allows guest connections to perform actions on a host.
Personally, I’m not interested in such service so I removed it


(Jadissa) #4

Saw the damn thing spin up again.

Got this when digging:
$ sudo launchctl unload /System/Library/LaunchDaemons/com.apple.AppleQEMUGuestAgent.plist
/System/Library/LaunchDaemons/com.apple.AppleQEMUGuestAgent.plist: Operation not permitted while System Integrity Protection is engaged