On Mon, Mar 22, 2010 at 04:41:39PM +0800, Uwe Dippel wrote: > Having done upgrades from 4.0 onwards, on a OpenBSD-only server > (amd64), this time something must have gone wrong: Despite of the > (remote, I have no physical access, via serial console) 'successful' > upgrade (no error messages), when I was asked to reboot, I did, as > always. Alas, it came up with > > Attempting Boot From Floppy Drive (A:) > Attempting Boot From CD-ROM > Attempting Boot From Hard Drive (C:) > Using drive 0, partition 3. > Loading... > ERR M
That is biosboot(8) telling you that it cannot find /boot, which is the boot loader that prints the boot prompt and so on. Biosboot has to be really small, so its error message are terse. > > on an HP ML350G4p. > > From all I know it is a problem with the MBR. As explained above, no, you likely moved around/corrupted /boot in a way that doesn't work for biosboot. > What I'd really like to get, before I drive there and get access, is > how to best solve this problem, and most straightforward. Talking > about what went wrong can wait, since this is a production machine > and should be back as soon as possible. The procedure is straight forward and documented in installboot(8). > > Thanks in advance, > > Uwe
