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>