diff options
| author | Kenneth R Westerback <krw@cvs.openbsd.org> | 2003-09-07 12:01:57 +0000 |
|---|---|---|
| committer | Kenneth R Westerback <krw@cvs.openbsd.org> | 2003-09-07 12:01:57 +0000 |
| commit | 2f5f8cba460804d959b5542f9cd555577b9ba5a4 (patch) | |
| tree | e8073a74441421a688f9c7b3b0dd44298a5149d9 /distrib/notes/i386/upgrade | |
| parent | 5215469caf7cf816ef552a677fc89fa6f3be5806 (diff) | |
i386: Some more verbiage around i386 a.out -> ELF upgrades.
Sparc64: Mention Blade 100 problems with upgrading over the network vs
non-serial console.
ok miod@.
Diffstat (limited to 'distrib/notes/i386/upgrade')
| -rw-r--r-- | distrib/notes/i386/upgrade | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/distrib/notes/i386/upgrade b/distrib/notes/i386/upgrade index 47544532f9b..15245b370f2 100644 --- a/distrib/notes/i386/upgrade +++ b/distrib/notes/i386/upgrade @@ -1,12 +1,27 @@ -dnl $OpenBSD: upgrade,v 1.18 2003/09/07 00:21:47 miod Exp $ +dnl $OpenBSD: upgrade,v 1.19 2003/09/07 12:01:56 krw Exp $ dnl OpenBSDUpgrade({:-the CD-ROM or an installation floppy as you would do for dnl a new installation-:}) -Due to the change in binary format from a.out to ELF in OpenBSD OSREV, -upgrades, albeit possible, are very tricky. The best solution, whenever +Due to the change from a.out to ELF binary format in OpenBSD OSREV, +upgrades can be a complex, delicate process. The best solution, whenever possible, is to backup your data and reinstall from scratch. -The two main hurdles in the upgrade from an a.out system to an ELF OpenBSD -OSREV system are: +The second best solution is to remove all ports, third party programs and +libraries installed on your system; upgrade; and then add ELF versions of +the removed files. + +In all cases, once you start the upgrade you MUST complete it. If the +upgrade process fails or is abandoned before it completes you will almost +certainly be left with a non-functional system. + +Finally, you cannot use the bsd.rd kernel to upgrade the system. The +existing bootblocks on your system cannot boot the OSREV bsd.rd. + +If you must do an upgrade while preserving the functionality of any +existing a.out binary files, then the rest of this section will guide you +through that process. + +The two main hurdles in upgrading from an a.out system to an ELF OpenBSD +OSREV system while preserving the functioning of a.out binaryies are: - the a.out binary emulation, required for compatibility with a.out binaries using shared libraries, is not enabled by default, and requires an explicit configuration change. |