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On Wed, Nov 29, 2006 at 11:39:42PM +0100, Joel CARNAT wrote:
> Hi,
>=20
> I have NetBSD 4.99.3 installed on my Shuttle.
> It has an IDE disk driver (wd0, where NetBSD is installed) and two card
> readers (sd0 and sd1, that are empty).
>=20
> With the NetBSD/i386 kernel, the boot process detects "root on wd0a".
> With the NetBSD/xen kernel, the boot process don't automatically detect
> "root on wd0a" and even propose a default "root on sd0a".

I have the same problem.  I simply recompiled a kernel hard-coded
with root on wd0a.
  --david


>=20
> ########################################################################
> <...>
> umass0 at uhub2 port 7 configuration 1 interface 0
> umass0: Ltd Winter Ver1.3, rev 2.00/0.05, addr 2
> umass0: using SCSI over Bulk-Only
> scsibus0 at umass0: 2 targets, 2 luns per target
> sd0 at scsibus0 target 0 lun 0: <USB2.0, CardReader CF RW, 0.0>> disk
> removable
> sd0: drive offline
> sd1 at scsibus0 target 0 lun 1: <USB2.0, CardReader Combo, 0.0>> disk
> removable
> sd1: drive offline
> wd0 at atabus0 drive 0: <ST3120026A>
> wd0: drive supports 16-sector PIO transfers, LBA48 addressing
> wd0: 111 GB, 232581 cyl, 16 head, 63 sec, 512 bytes/sect x 234441648
> sectors
> wd0: 32-bit data port
> wd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 5 (Ultra/100)
> wd0(viaide0:0:0): using PIO mode 4, Ultra-DMA mode 5 (Ultra/100) (using
> DMA)
> atapibus0 at atabus1: 2 targets
> <..>
> sd0(umass0:0:0:0):  Check Condition on CDB: 0x00 00 00 00 00 00
>     SENSE KEY:  Not Ready
>      ASC/ASCQ:  Medium Not Present
>=20
> sd1(umass0:0:0:1):  Check Condition on CDB: 0x00 20 00 00 00 00
>     SENSE KEY:  Not Ready
>      ASC/ASCQ:  Medium Not Present
>=20
> boot device: sd0
> root on sd0a dumps on sd0b
> sd0(umass0:0:0:0):  Check Condition on CDB: 0x00 00 00 00 00 00
>     SENSE KEY:  Not Ready
>      ASC/ASCQ:  Medium Not Present
>=20
> sd0(umass0:0:0:0):  Check Condition on CDB: 0x00 00 00 00 00 00
>     SENSE KEY:  Not Ready
>      ASC/ASCQ:  Medium Not Present
>=20
> vfs_mountroot: can't open root device
> cannot mount root, error =3D 19
> root device (default sd0a): AT S7=3D45 S0=3D0 L1 V1 X4 &c1 E1 Q0
> use one of: nfe0 fxp0 fxp1 fwip0 sd0[a-p] sd1[a-p] wd0[a-p] cd0[a-p] ddb
> halt reboot
> root device (default sd0a): wd0a                         =20
> dump device (default wd0b):                              =20
> file system (default generic):=20
> root on wd0a dumps on wd0b
> mountroot: trying lfs...
> mountroot: trying ffs...
> root file system type: ffs
> init path (default /sbin/init):=20
> init: copying out path `/sbin/init' 11
> Wed Nov 29 23:35:19 CET 2006
> ########################################################################
>=20
> Manually entering "wd0a" boots Xen correctly.
> Is there a specific parameter to give to grub so that the root is
> correctly automatically detected ? Or do I have to force it in the
> kernel file ?
>=20
> My Grub conf boot part is
> ########################################################################
> title   NetBSD/xen (serial)
>         root (hd0,0,a)
>         kernel (hd0,0,a)/usr/pkg/xen3-kernel/xen.gz dom0_mem=3D196608 com=
1=3D9600,8n1
>         module (hd0,0,a)/netbsd-xen0 root=3D/dev/hda1 ro console=3DttyS0
> ########################################################################
>=20
> TIA,
> 	Jo
>=20

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