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CVS commit: [netbsd-6] src/sys
Module Name: src
Committed By: riz
Date: Thu Jul 5 17:36:31 UTC 2012
src/sys/arch/atari/atari [netbsd-6]: autoconf.c
src/sys/dev [netbsd-6]: md.c
src/sys/fs/msdosfs [netbsd-6]: msdosfs_vfsops.c
Pull up following revision(s) (requested by tsutsui in ticket #395):
sys/fs/msdosfs/msdosfs_vfsops.c: revision 1.95
sys/arch/atari/atari/autoconf.c: revision 1.62
sys/dev/md.c: revision 1.67
Add a dirty hack for atari's ancient installation ramdisk:
Forcibly configure md0, md1, and md2 devices before setroot()
for atari's traditional "auto-load from floppy on open" md_root device
which loads installation ramdisk image from floppy.
md(4) has been changed dynamically configured at first open after 5.0
and md devices won't appear in "root device:" prompt without this hack.
Tested on TT030.
Should be pulled up to netbsd-6.
Make sure that disklabel of md(4) device is initialized
in the case where it's configured in MD md_open_hook().
Without this, msdosfs_mountfs() (which is called from msdosfs_mountroot())
will be called with uninitialized disklabel (d_secsize == 0) and
it gets "panic: buf mem pool index 23" later on atari.
This is because getdisksize() doesn't check returned d_secsize value
and msdosfs_mountfs() blindly calls bread(9) with size==0 in that case.
Should be pulled up to netbsd-6 (at least for atari).
Add a sanity check if secsize returned from getdisksize() isn't bogus.
This prevent possible panic "panic: buf mem pool index 23" later in
(I'm not sure if it's okay for getdisksize() to assume that
partinfo taken from DIOCGPART is properly initialized
on all disk(9) devices or not)
To generate a diff of this commit:
cvs rdiff -u -r1.61 -r188.8.131.52 src/sys/arch/atari/atari/autoconf.c
cvs rdiff -u -r1.66 -r184.108.40.206 src/sys/dev/md.c
cvs rdiff -u -r1.93 -r220.127.116.11 src/sys/fs/msdosfs/msdosfs_vfsops.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
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