Date: Sun, 30 Nov 2008 21:25:59 +0100 From: Ivan Voras <ivoras@freebsd.org> To: freebsd-performance@freebsd.org Cc: freebsd-questions@freebsd.org Subject: Re: boot loader bug??? Message-ID: <ggust7$2hn$1@ger.gmane.org> In-Reply-To: <492B3E3E.1000001@softhammer.net> References: <492B3E3E.1000001@softhammer.net>
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[-- Attachment #1 --] Stephen Sanders wrote: > This may be a bad list to post to for this problem but I'm having an > issue where in it appears that the boot loader fails and then overwrites > the MBR with 0. > > The system boots to : > > F1 - Linux > F3 - FreeBSD > F5 - Drive 1" > > Default: > > But then fails on "boot error". Rebooting will not even make it to the > prompt above and if one checks the MBR (via a PXE boot), it has been set > to 512 bytes of 0. > > Sound familiar? Thanks This is definitely not the right list for your question. Please take it to questions@. There has been one report that points out that some broken BIOSes change disk IDs after booting so that the loader overwrites the boot sector on the wrong disc, but this doesn't look like it's applicable to your problem. You can disable MBR modification by the boot loader with the "noupdate" options to boot0cfg(8). [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iEYEARECAAYFAkky9tcACgkQldnAQVacBchSxACfdDQUkdeIkfBl3I4H759j9CcU y70AoKRVniHF0sjbtbkKPgcf+h9O76JO =CZ06 -----END PGP SIGNATURE-----help
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