ZFS boot inside on the second partition inside a slice

[John Baldwin]

On Friday, June 17, 2011 1:06:22 pm Henri Hennebert wrote:
> On 06/16/2011 19:35, John Baldwin wrote:
> > On Thursday, June 16, 2011 8:45:41 am Zhihao Yuan wrote:
> >> Exactly. The MFCed ZFSv28 is different from any patch maintained by
> >> mm at . Maybe some untested changes involved.
> > 
> > Can you try reverting this change:
> > 
> > Author: jhb
> > Date: Thu Apr 28 17:44:24 2011
> > New Revision: 221177
> > URL: http://svn.freebsd.org/changeset/base/221177
> > 
> > Log:
> >   Due to space constraints, the UFS boot2 and boot1 use an evil hack where
> >   boot2 calls back into boot1 to perform disk reads.  The ZFS MBR boot blocks
> >   do not have the same space constraints, so remove this hack for ZFS.
> >   While here, remove commented out code to support C/H/S addressing from
> >   zfsldr.  The ZFS and GPT bootstraps always just use EDD LBA addressing.
> >   
> >   MFC after:    2 weeks
> > 
> > Modified:
> >   head/sys/boot/i386/boot2/Makefile
> >   head/sys/boot/i386/common/drv.c
> >   head/sys/boot/i386/zfsboot/Makefile
> >   head/sys/boot/i386/zfsboot/zfsldr.S
> > 
> I try with this revision (221177) reverted to no avail:
> same error - 'read error'

Hmm, ok.  No other ideas off the top of my head.

-- 
John Baldwin