I'm on Monterey but maybe I can get help, I'm with Intel hd4000, I'm putting the kext with the bless, and works until beta 10 where it says operation not permitted, I've tried also in 12.1 and same, anyone knows how to fix it:
Terminal info
hidden@iMac mont % sudo bless --folder /Volumes/mont/System/Library/CoreServices --bootefi --create-snapshot --verbose
Password:
Sorry, try again.
Password:
EFI found at IODeviceTree:/efi
Mount point for /Volumes/mont/System/Library/CoreServices is /Volumes/mont
Common mount point of '/Volumes/mont/System/Library/CoreServices' and '' is /Volumes/mont
No BootX creation requested
Non-Data-role volume, so not considered Data-Given-Pre-SSV-to-SSV case
This is not an APFS Data-Volume-Parameter-Driven Pre-SSV to SSV case
Volume /Volumes/mont is sealable
boot.efi unchanged at /Volumes/mont/System/Library/CoreServices/boot.efi. Skipping update...
No auxiliary booter partition required
System partition found
Preferred system partition found: disk0s1
Returning booter information dictionary:
{
"Auxiliary Partitions" = (
);
"Data Partitions" = (
disk4s1
);
"Preboot Volumes" = (
disk4s3
);
"System Partitions" = (
disk0s1,
disk2s1
);
}
Mounting at /private/var/folders/zz/zyxvpxvq6csfxvn_n0000000000000/T/bless.lnml
Executing "/sbin/mount"
Returned 0
Executing "/sbin/umount"
Returned 0
EFI found at IODeviceTree:/efi
No auxiliary booter partition required
System partition found
Preferred system partition found: disk0s1
Returning booter information dictionary:
{
"Auxiliary Partitions" = (
);
"Data Partitions" = (
disk4s1
);
"Preboot Volumes" = (
disk4s3
);
"System Partitions" = (
disk0s1,
disk2s1
);
}
Mounting at /private/var/folders/zz/zyxvpxvq6csfxvn_n0000000000000/T/bless.oD14
Executing "/sbin/mount"
Returned 0
Found volume group UUID path in preboot for disk4s1
Volume /Volumes/mont is sealable
Deleted KC file /private/var/folders/zz/zyxvpxvq6csfxvn_n0000000000000/T/bless.oD14/16C91C41-42BE-40AA-97C5-AED946575587/boot/System/Library/KernelCollections/BootKernelExtensions.kc
Deleted KC file /private/var/folders/zz/zyxvpxvq6csfxvn_n0000000000000/T/bless.oD14/16C91C41-42BE-40AA-97C5-AED946575587/boot/System/Library/KernelCollections/BootKernelExtensions.kc.elides
0x04064000 bytes preallocated for /private/var/folders/zz/zyxvpxvq6csfxvn_n0000000000000/T/bless.oD14/16C91C41-42BE-40AA-97C5-AED946575587/boot/System/Library/KernelCollections/BootKernelExtensions.kc
Copied KC file /Volumes/mont/System/Library/KernelCollections/BootKernelExtensions.kc to preboot
0x000002AC bytes preallocated for /private/var/folders/zz/zyxvpxvq6csfxvn_n0000000000000/T/bless.oD14/16C91C41-42BE-40AA-97C5-AED946575587/boot/System/Library/KernelCollections/BootKernelExtensions.kc.elides
Copied KC file /Volumes/mont/System/Library/KernelCollections/BootKernelExtensions.kc.elides to preboot
booter path /Volumes/mont/usr/standalone/i386/boot.efi
boot.efi unchanged at /private/var/folders/zz/zyxvpxvq6csfxvn_n0000000000000/T/bless.oD14/16C91C41-42BE-40AA-97C5-AED946575587/System/Library/CoreServices/boot.efi. Skipping update...
No auxiliary booter partition required
System partition found
Preferred system partition found: disk0s1
Returning booter information dictionary:
{
"Auxiliary Partitions" = (
);
"Data Partitions" = (
disk4s1
);
"Preboot Volumes" = (
disk4s3
);
"System Partitions" = (
disk0s1,
disk2s1
);
}
Deleting old /private/var/folders/zz/zyxvpxvq6csfxvn_n0000000000000/T/bless.oD14/16C91C41-42BE-40AA-97C5-AED946575587/System/Library/CoreServices/BridgeVersion.bin
Opened dest at /private/var/folders/zz/zyxvpxvq6csfxvn_n0000000000000/T/bless.oD14/16C91C41-42BE-40AA-97C5-AED946575587/System/Library/CoreServices/BridgeVersion.bin for writing
No preallocation attempted for /private/var/folders/zz/zyxvpxvq6csfxvn_n0000000000000/T/bless.oD14/16C91C41-42BE-40AA-97C5-AED946575587/System/Library/CoreServices/BridgeVersion.bin
Deleting old /private/var/folders/zz/zyxvpxvq6csfxvn_n0000000000000/T/bless.oD14/16C91C41-42BE-40AA-97C5-AED946575587/System/Library/CoreServices/BridgeVersion.plist
Opened dest at /private/var/folders/zz/zyxvpxvq6csfxvn_n0000000000000/T/bless.oD14/16C91C41-42BE-40AA-97C5-AED946575587/System/Library/CoreServices/BridgeVersion.plist for writing
No preallocation attempted for /private/var/folders/zz/zyxvpxvq6csfxvn_n0000000000000/T/bless.oD14/16C91C41-42BE-40AA-97C5-AED946575587/System/Library/CoreServices/BridgeVersion.plist
Executing "/sbin/umount"
Returned 0
Couldn't create snapshot on volume /Volumes/mont: Operation not permitted
hidden@iMac mont %