Since I am currently experimenting with BOOTP in -current, I patched ONLY
vfs_conf.c and vfs_subr.c with your rootfsid changes. Works fine in a BOOTP
configuration. -current sources are as of last night.
I can now boot a -current system from only a floppy disk with a (kgzipped) kernel
on it!
(plus some patches (see below) to rc.diskless1 where it (bogusly) temporarily
mounts /usr, since it is already there (it should check for "-d /usr/bin" first),
and rc.diskless2 to mfs a /var/msgs dir)
-Mark Taylor
Index: rc.diskless1
===================================================================
RCS file: /FreeBSD/CVS/src/etc/rc.diskless1,v
retrieving revision 1.1
diff -c -2 -r1.1 rc.diskless1
*** rc.diskless1 1999/02/09 17:17:18 1.1
--- rc.diskless1 1999/08/25 16:24:32
***************
*** 48,57 ****
# retargeted /etc/fstab. See instructions in /usr/share/examples/diskless.
#
- set `/bin/df /`
- nfs_root=$8
- mount_nfs -o ro ${nfs_root}/usr /usr
! chkerr $? "mount of /usr"
# Figure out our interface and IP.
#
--- 48,61 ----
# retargeted /etc/fstab. See instructions in /usr/share/examples/diskless.
#
! nfs_root=""
! if [ ! -d /usr/bin ]; then
! set `/bin/df /`
! nfs_root=$8
! mount_nfs -o ro ${nfs_root}/usr /usr
+ chkerr $? "mount of /usr"
+ fi
+
# Figure out our interface and IP.
#
***************
*** 62,66 ****
echo "Interface $bootp_ifc IP-Address $bootp_ipa"
! umount /usr
# retarget /conf/ME
--- 66,72 ----
echo "Interface $bootp_ifc IP-Address $bootp_ipa"
! if [ ! -z $nfs_root ]; then
! umount /usr
! fi
# retarget /conf/ME
Index: rc.diskless2
===================================================================
RCS file: /FreeBSD/CVS/src/etc/rc.diskless2,v
retrieving revision 1.2
diff -c -2 -r1.2 rc.diskless2
*** rc.diskless2 1999/02/10 18:08:16 1.2
--- rc.diskless2 1999/08/25 16:26:56
***************
*** 14,17 ****
--- 14,18 ----
mount_mfs -s ${var_tmp_sectors:=65536} -T qp120at dummy /var/tmp
mount_mfs -s ${var_spool_sectors:=65536} -T qp120at dummy /var/spool
+ mount_mfs -s ${var_msgs_sectors:=2048} -T qp120at dummy /var/msgs
chmod 755 /var/run
chmod 755 /var/db
On 25-Aug-99 Matthew Dillon wrote:
> A new combo patch is now avaiable:
>
> http://www.backplane.com/FreeBSD4/
> first section, multipatch-2.diff hotlink.
>
> The fixes are too numerous to mention. Portions of the patch may be
> committed by Alan or dg at any time so anyone who uses the above should
> beware. Also included is other work discussed by Alan, DG, and I, not
> classified as a 'bug fix', such as the removal of vnode->v_lastr.
>
> This patch should be considered experimental, mainly due to the BOOTP
> related patches which mess around with the rootfsid.
>
> There may be slight (temporary) degredation in I/O performance due
> to lack of tuning of the new sequential detection code.
>
> The patch includes everything not committed to date including bug fixes
> to NFS, VN, CCD, BOOTP, mmap/dirty lockups, and so on. Performance
> improvements to NFS, mmap (faults), and certain filesystem I/O ops have
> also been made.
>
> -Matt
>
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