ZFS boot inside on the second partition inside a slice

[Henri Hennebert]

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'

Henri