I don't know why.
I am not using a NVMe disk, it is a sata samsung 850 pro 512G ssd.
The OC version is 0.7.4. The upgrade is smooth, but the boot speed is too slow.
The CFG Lock setting is hidden from gui, and it blocked the oc booting process. it must be disabled in modGrubShell, after that all worked smoothly. Yes i switched to oc from clover, and oc is charming about booting speed
dfu-util not working with 10.15.3?
# sudo dfu-util -U backup.dfu
dfu-util 0.9
Copyright 2005-2009 Weston Schmidt, Harald Welte and OpenMoko Inc.
Copyright 2010-2016 Tormod Volden and Stefan Schmidt
This program is Free Software and has ABSOLUTELY NO WARRANTY
Please report bugs to...
The card had been perfectly working before upgrading to Catalina.
But the bluetooth become not stable from then on:
1. The bluetooth could not work from time to time on the first power on , I need to reboot system to make it usable.
2. It seems that the signal is not stable, the magic mouse...
Bluetooth could be not working on boot, I need to use Screen Sharing to remove all devices and reset bluetooth to fix it.
The problem recurs from time to time....
After upgrade to 14.15,I used the disk util to check disk for errors, get:
The partition map needs to be repaired because there's a problem with EFI system partition's file system.
I use usb to boot, and use diskutil to fix the partition. But the problem remains after reboot.
I copied the config.plist from EFI of the usb disk to overwrite the one in EFI of the hard disk, apply the needed changes, then reboot to solve the problem.
I have doubled checked to find out that the panic is caused by Intel Graphics Driver:
<key>Graphics</key>
<dict>...
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