grub-mkrescue: warning: Your xorriso doesn't support `--grub2-boot-info'. Some features are disabled

安装xorriso
重新执行grub-mkrescue -o myos.iso isodir
得到如下输出:

xorriso 1.4.2 : RockRidge filesystem manipulator, libburnia project.

Drive current: -outdev 'stdio:myos.iso'
Media current: stdio file, overwriteable
Media status : is blank
Media summary: 0 sessions, 0 data blocks, 0 data,  189g free
Added to ISO image: directory '/'='/tmp/grub.RLwvLg'
xorriso : UPDATE : 282 files added in 1 seconds
Added to ISO image: directory '/'='/home/lee/simpleos/src/isodir'
xorriso : UPDATE : 286 files added in 1 seconds
xorriso : NOTE : Copying to System Area: 512 bytes from file '/usr/lib/grub/i386-pc/boot_hybrid.img'
ISO image produced: 2559 sectors
Written to medium : 2559 sectors at LBA 0
Writing to 'stdio:myos.iso' completed successfully.

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