As it turned out the PPC32 build was broken - due to changes in the
initramfs size calculation - I ended up with a __initramfs_size of zero,
after
which not much worked.
Sorry for cluttering the list with misleading information, however, no
one seem
to have taken any notice so I guess - no harm done.
Patch to follow...
Rgds,
Kerstin
On 10/20/2010 05:03 PM, kerstin jonsson wrote:
Hi,
I have a powerpc based platform and would like to have access to all the
latest
RapiodIO patches included in the mm-tree, but I fail to mount my rootfs
over nfs using the latest mm-kernel.
I can see that the code handling nfs mount in the mm-tree differs
significantly from the code in the kernel I used earlier (where nfs
mount of rootfs works for me - linux-2.6 currently 2.6.36-rc8).
I'm using the same default_config options as input to the mm-build as I
do for 2.6.36-rc8 and the same kernel cmdline options, the console log
from the boot show no significant deviation from the two kernels, not
until I reach the point init init/main.c:kernel_init() where
/dev/console is supposed to be opened. If it is helpfull in any way, the
nfs mount attempt fails at:
line 2131 of fs/namespace.c:do_mount()
I guess that there is something that I need to do different to make this
happen in the mm-tree - possibly something my platform init code should
have prepared or some extra kernel config option(s) that is/are needed
when building the mm kernel.
Please advice!
Kerstin
Kernel command line: root=/dev/nfs rw nfsroot=192.168.0.201:/srv/nfs
ip=192.168.0.142:192.168.0.201:192.168.0.1:255.255.255.0:unknown:eth0:off console=ttyS0,115200
riohdid=0 nfsrootdebug
console printout from mm-kernel:
...
IP-Config: Complete:
device=eth0, addr=192.168.0.142, mask=255.255.255.0, gw=192.168.0.1,
host=unknown, domain=, nis-domain=(none),
bootserver=192.168.0.201, rootserver=192.168.0.201, rootpath=
Warning: unable to open an initial console.
Root-NFS: nfsroot=/srv/nfs
VFS: Unable to mount root fs via NFS, trying floppy.
...
console printout from 2.6.36-rc8:
...
IP-Config: Complete:
device=eth0, addr=192.168.0.142, mask=255.255.255.0, gw=192.168.0.1,
host=unknown, domain=, nis-domain=(none),
bootserver=192.168.0.201, rootserver=192.168.0.201, rootpath=
Root-NFS: Mounting /srv/nfs on server 192.168.0.201 as root
Root-NFS: rsize = 4096, wsize = 4096, timeo = 0, retrans = 0
Root-NFS: acreg (min,max) = (3,60), acdir (min,max) = (30,60)
Root-NFS: nfsd port = -1, mountd port = 0, flags = 00000200
Looking up port of RPC 100003/2 on 192.168.0.201
PHY: mdio@fa724520:09 - Link is Up - 100/Full
Root-NFS: Portmapper on server returned 2049 as nfsd port
Looking up port of RPC 100005/1 on 192.168.0.201
Root-NFS: mountd port is 34144
VFS: Mounted root (nfs filesystem) on device 0:12.
...
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