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Old 03-13-2013, 04:45 AM   #1
trt604
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Registered: Sep 2011
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tqm5200 fails mounting rootfs through nfs from fedora 18


the tqm5200 board won't boot via nfs. the kernel 3.6.10 loads and boots ok via tftp, then the system like hangs and after five minutes reboots:
[ 306.882182] VFS: Unable to mount root fs via NFS, trying floppy.

[ 306.889433] VFS: Cannot open root device «nfs» or unknown-block(2,0): error -6

[ 306.896900] Please append a correct «root=» boot option; here are the available partitions:

[ 306.905546] 1f00 32768 mtdblock0 (driver?)

[root@localhost /]# cat etc/exports

/home/geekay/nfs/rootfs-minimal-dev 192.168.10.113/24(rw,sync,no_wdelay,no_subtree_check,no_root_squash)

/home/geekay/nfs/rootfs-lsb-sdk 192.168.10.113/24(rw,sync,no_wdelay,no_subtree_check,no_root_squash)

the settings in uboot seem to be ok. where showld i look for the error? this is urgent, i've already dumped two days for this. please help!
 
Old 03-13-2013, 05:12 PM   #2
smallpond
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Registered: Feb 2011
Location: Massachusetts, USA
Distribution: Fedora
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On NFS server:
- did you do: export all
- are portmap and rpc services running?
- does /var/log/messages or /var/log secure show any errors?
- are all needed ports unblocked (no firewall)?

On client tqm5200:
- Is interface up with the correct IP 192.168.10.xx?
- Is route and gateway set?

Any way to get an actual error from mount would be helpful. You need to know what is failing.
Can you mount via NFS from some other system?
 
  


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