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Due to commit [cdrtools-native: fix booting EFI ISO live failed] applied to improve mkisofs to fix nsectors exceeds 0xffff situation which set selection criteria type = 2 and save extra nsectors to vendor unique selection criteria In following case, add 64MB extra space to bootable image efi.img, and the partition table of EFI is truncated to 32M $ echo 'IMAGE_FSTYPES:pn-core-image-minimal = " live"' >> conf/local.conf $ echo 'MACHINE_FEATURES:append = " efi pcbios"' >> conf/local.conf $ echo '# 64MB extra space to bootable image efi.img' >> conf/local.conf $ echo 'BOOTIMG_EXTRA_SPACE = "65535"' >> conf/local.conf $ bitbake core-image-minimal $ fdisk -l tmp/deploy/images/qemux86-64/core-image-minimal-qemux86-64.rootfs.iso ... Device Boot Start End Sectors Size Id Type tmp/deploy/images/qemux86-64/core-image-minimal-qemux86-64.rootfs.iso1 * 0 376831 376832 184M 0 Empty tmp/deploy/images/qemux86-64/core-image-minimal-qemux86-64.rootfs.iso2 120 65654 65535 32M ef EFI (FAT-12/16/32) After applying this patch to process extra sector count, the partition table of EFI is 90.3M $ fdisk -l tmp/deploy/images/qemux86-64/core-image-minimal-qemux86-64.rootfs.iso ... Device Boot Start End Sectors Size Id Type tmp/deploy/images/qemux86-64/core-image-minimal-qemux86-64.rootfs.iso1 * 0 376831 376832 184M 0 Empty tmp/deploy/images/qemux86-64/core-image-minimal-qemux86-64.rootfs.iso2 120 185151 185032 90.3M ef EFI (FAT-12/16/32) [1]https://pdos.csail.mit.edu/6.828/2017/readings/boot-cdrom.pdf (From OE-Core rev: b4e112ed7e6ba5a6c6df530d696485a588831851) (From OE-Core rev: 741d5ed1b906b8763d9f346481e980e2041c9c2a) Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com> Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org> Signed-off-by: Steve Sakoman <steve@sakoman.com> |
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| syslinux_6.04-pre2.bb | ||