I also found this problem, often there is no LOG.

I added a new answer, please refer to it.

Is my driver.dext entitlement missing com.apple.developer.driverkit.allow-any-userclient-access? entitlement file of driver.dext <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> <plist version="1.0"> <dict> <key>com.apple.developer.system-extension.install</key> <true/> <key>com.apple.developer.driverkit.family.hid.eventservice</key> <true/> <key>com.apple.developer.driverkit.family.hid.device</key> <true/> <key>com.apple.developer.driverkit.transport.hid</key> <true/> <key>com.apple.developer.driverkit</key> <true/> <key>com.apple.developer.driverkit.transport.usb</key> <array> <dict> <key>idVendor</key> <integer>1234</integer> </dict> </array> </dict> </plist> entitlement file of Driver.app <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> <plist version="1.0"> <dict> <key>com.apple.developer.system-extension.install</key> <true/> <key>com.apple.security.app-sandbox</key> <true/> <key>com.apple.security.files.user-selected.read-only</key> <true/> </dict> </plist>

Please refer to the detailed response.

system error log: May 28 21:16:02 xianxianmeishizuode-MacBook-Pro com.apple.xpc.launchd[1] (com.apple.mdworker.shared.0B000000-0700-0000-0000-000000000000[1319]): Service exited due to SIGKILL | sent by mds[91] May 28 21:16:06 xianxianmeishizuode-MacBook-Pro com.apple.xpc.launchd[1] (com.apple.null.driver-0x100001311[1359]): removing service since it exited with consistent failure - OS_REASON_CODESIGNING | When validating /Library/SystemExtensions/7E4D2C05-E24F-430D-9048-DBFB508BBEE5/com.etandt.dk1.dext/com.etandt.dk1: Code has restricted entitlements, but the validation of its code signature failed. Unsatisfied Entitlements: May 28 21:16:06 xianxianmeishizuode-MacBook-Pro com.apple.xpc.launchd[1] (com.apple.null.driver-0x100001311[1359]): Binary is improperly signed. entitlements dext: <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> <plist version="1.0"> <dict> <key>com.apple.developer.driverkit.transport.usb</key> <true/> <key>com.apple.security.device.usb</key> <true/> <key>com.apple.developer.driverkit</key> <true/> <key>com.apple.developer.driverkit.transport.hid</key> <true/> <key>com.apple.developer.driverkit.family.hid.device</key> <true/> <key>com.apple.developer.driverkit.family.hid.eventservice</key> <true/> <key>idVendor</key> <integer>1636</integer> </dict> </plist> Provisioning Profile Enabled Capabilities DriverKit USB Transport - VendorID, In-App Purchase

I am also having the same issue.