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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" <>
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
 Modified Files:
        src/distrib/utils/sysinst [netbsd-6]: mbr.c
 Log Message:
 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 -r1.89.2.1 -r1.89.2.2 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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