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Subjectco-processor ebsa285: nfs_read_super: get root fattr failed
Hi,

I am trying to use Mark's tool to download ARM-Linux onto ebsa285 (Intel

StrongARM 110 Development
Board) and run it as as co-processor through PCI bus. The host runs
Linux-2.2.10-mvd1, with
nfs-server-2.2beta37-1.i386.rpm and
nfs-server-clients-2.2beta37-1.i386.rpm,
The target runs Linux-2.2.9-rmk3-mvd1. I go the following error message:

nfs_read_super: get root fattr failed

Is this problem related to NFS? Any suggestions? I can still ping the
target correctly,

The syslog on the host says /arm has been mounted by the target
Sep 1 17:10:18 james kernel: PCIMSG network driver started
Sep 1 17:10:18 james kernel: 21285(0): started
Sep 1 17:10:20 james mountd[466]: NFS mount of /arm attempted from

192.168.3.2
Sep 1 17:10:20 james mountd[466]: /arm has been mounted by
192.168.3.2
I also tried to mount /arm from another Linux PC, and I can do read and
write correctly,

More info with NFSROOT_DEBUG on is enclosed,

Root-NFS: Mounting /arm on server 192.168.3.1 as root
Root-NFS: rsize = 4096, wsize = 4096, timeo = 7, retrans = 3
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 192.168.3.1
RPC: 0 sync task resuming
RPC: 0 exit() = 0
Root-NFS: Portmapper on server returned 2049 as nfsd port
Looking up port of RPC 100005/1 on 192.168.3.1
Root-NFS: mountd port is 643
NFS: nfs_mount(c0a80301:/arm)
nfs_read_super: get root fattr failed
VFS: Unable to mount root fs via NFS, trying floppy.
VFS: Cannot open root device 02:00
Kernel panic: VFS: Unable to mount root fs on 02:00

Thanks,
Gaixia Zhang




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