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PR/45990 CVS commit: [netbsd-6] src/distrib/utils/sysinst
The following reply was made to PR install/45990; it has been noted by GNATS.
From: "Jeff Rizzo" <riz%netbsd.org@localhost>
Subject: PR/45990 CVS commit: [netbsd-6] src/distrib/utils/sysinst
Date: Tue, 12 Jun 2012 19:19:22 +0000
Module Name: src
Committed By: riz
Date: Tue Jun 12 19:19:21 UTC 2012
src/distrib/utils/sysinst [netbsd-6]: mbr.c
Pull up following revision(s) (requested by tsutsui in ticket #317):
distrib/utils/sysinst/mbr.c: revision 1.91
Fix regression by my dumb patch in PR/45990.
sysinst fails with "floating exception" after
changing MBR partition size in MBR editor menu
if the target disk doesn't have valid MBR partition
or has a valid partition 0 whose offset is not 1MB aligned
(like 63 sectors).
read_mbr() (which calls get_ptn_alignment()) is called
before set_bios_geom(), so bhead is not initialized there
and ptn_alignment could be zero.
To workaround, explicitly call get_ptn_alignment() again
in edit_mbr() to update ptn_alignemnt per BIOS geom values.
To generate a diff of this commit:
cvs rdiff -u -r126.96.36.199 -r188.8.131.52 src/distrib/utils/sysinst/mbr.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
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