Hello,
I'm working on a AT91SAM9260-based SoC trying to get a more recent
kernel to load my root file system (ubuntu 9.04). The kernel that came
with the board is 2.6.28.8 and I'm trying to get 2.6.30 or later to
work. The latest one I tried is the just released 2.6.31-6.25 kernel for
Karmic.
The problem I have is that the kernels I compile can't read the two
types of rootfs that I'm trying, ubifs and plain nfs. In the nfs case
the kernel complains that it can't connect to the server but I am sure
the server is available since I can mount the rootfs from any onther
computer in the LAN.
The following are the results when testing the karmic kernel.
Case 1 (UBIFS)
--------------
...
UBIFS error (pid 1): ubifs_get_sb: cannot open "ubi0:rootfs", error -19
VFS: Cannot open root device "ubi0:rootfs" or unknown-block(0,0)
Please append a correct "root=" boot option; here are the available
partitions:
1f00 256 mtdblock0 (driver?)
1f01 1048320 mtdblock1 (driver?)
Kernel panic - not syncing: VFS: Unable to mount root fs on
unknown-block(0,0)
Case 1 (NFS)
------------
...
IP-Config: Complete:
device=eth0, addr=192.168.215.106, mask=255.255.255.0,
gw=192.168.215.3,
host=benbria, domain=, nis-domain=(none),
bootserver=255.255.255.255, rootserver=192.168.215.59, rootpath=
Looking up port of RPC 100003/2 on 192.168.215.59
eth0: link up (100/Full)
rpcbind: server 192.168.215.59 not responding, timed out
Root-NFS: Unable to get nfsd port number from server, using default
Looking up port of RPC 100005/1 on 192.168.215.59
rpcbind: server 192.168.215.59 not responding, timed out
Root-NFS: Unable to get mountd port number from server, using default
Root-NFS: Server returned error -5 while mounting /data/rootfs/armel
VFS: Unable to mount root fs via NFS, trying floppy.
VFS: Cannot open root device "nfs" or unknown-block(2,0)
The original 2.6.28.8 kernel on the same hardware happily mounts either
rootfs type without any problems. Any ideas on what I can do to fix this?
Thank you,
--
Pedro
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