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[archiso] Document isohybrid-gpt boot method

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Signed-off-by: Gerardo Exequiel Pozzi <vmlinuz386@yahoo.com.ar>
This commit is contained in:
Gerardo Exequiel Pozzi 2013-06-28 12:49:46 -03:00
parent e6cae1d3e8
commit ce9c853292
2 changed files with 12 additions and 12 deletions
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11
docs/README.knownissues
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@ -9,15 +9,4 @@
(A.K.A deinitramfs), build at initramfs by [archiso_shutdown] initcpio hook. (A.K.A deinitramfs), build at initramfs by [archiso_shutdown] initcpio hook.
Proper shutdown is mostly important when persistent is used. Proper shutdown is mostly important when persistent is used.
** (2) ISOHYBRID-MBR does boot on some hardware:
Some firmwares (BIOS) gets confused about using this hack
(first partition start at offset 0 -> MBR "infinite recursion").
Solutions:
(a) Do not use this method, instead copy files manually and
setup the bootloader [PC-BIOS (MBR)] (See README.transfer).
(b) Change offset of the partition on the ISO or on the target medium
(if ISO is already dumped):
# isohybrid.pl -offset 1 <ISO-SOURCE>
OR
# isohybrid.pl -offset 1 <DEV-TARGET>

13
docs/README.transfer
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@ -7,6 +7,7 @@ INDEX
* PC-BIOS (MBR) * PC-BIOS (MBR)
* PC-BIOS (ISOHYBRID-MBR) * PC-BIOS (ISOHYBRID-MBR)
* PC-EFI (GPT) [x86_64 only] * PC-EFI (GPT) [x86_64 only]
* PC-EFI (ISOHYBRID-GPT) [x86_64 only]
@ -95,7 +96,7 @@ Note: COW is not supported on NTFS.
Note: This method is the most easily, quick and dirty, but is the most limited Note: This method is the most easily, quick and dirty, but is the most limited
if you want to use your target medium for other purposes. if you want to use your target medium for other purposes.
See README.knownissues (2) if using this method does not boot. If using this does not work, use PC-BIOS (MBR) method instead.
1) Dump ISO file to target medium. 1) Dump ISO file to target medium.
# dd if=<ISO-SOURCE> of=<DEV-TARGET> # dd if=<ISO-SOURCE> of=<DEV-TARGET>
@ -120,3 +121,13 @@ Note: Using here a GPT partition mode as example, but MBR should also works
5) Unmount target filesystem. 5) Unmount target filesystem.
# umount <MNT-TARGET-N> # umount <MNT-TARGET-N>
* PC-EFI (ISOHYBRID-GPT) [x86_64 only]
Note: This method is the most easily, quick and dirty, but is the most limited
if you want to use your target medium for other purposes.
If using this does not work, use PC-EFI (GPT) method instead.
1) Dump ISO file to target medium.
# dd if=<ISO-SOURCE> of=<DEV-TARGET>