Re: [Bug 14276] nfsroot will not remount rw and claims illegal options

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On Sun, 2009-10-04 at 17:48 +0000, bugzilla-daemon@xxxxxxxxxxxxxxxxxxx
wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=14276
> 
> 
> 
> 
> 
> --- Comment #6 from Hans de Bruin <bruinjm@xxxxxxxxx>  2009-10-04 17:48:57 ---
> hans@orion:/var/diskless/kernel/linux-2.6$ git bisect bad
> 53a0b9c4c99ab0085a06421f71592722e5b3fd5f is first bad commit
> commit 53a0b9c4c99ab0085a06421f71592722e5b3fd5f
> Author: Chuck Lever <chuck.lever@xxxxxxxxxx>
> Date:   Sun Aug 9 15:09:36 2009 -0400
> 
>     NFS: Replace nfs_parse_ip_address() with rpc_pton()
> 
>     Clean up: Use the common routine now provided in sunrpc.ko for parsing
> mount
>     addresses.
> 
>     Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
>     Signed-off-by: Trond Myklebust <Trond.Myklebust@xxxxxxxxxx>
> 
> :040000 040000 31c3998309b2c325b7ea927498e1a7e78e0e7747
> 513edbc936111eda9d1646db17e7240c77a32c42 M      fs
> hans@orion:/var/diskless/kernel/linux-2.6$

OK. Switching over to email.

Chuck, can you see how the rpc_pton() might be breaking nfsroot?
The cmdline is of the form

    root=/dev/nfs nfsroot=10.10.0.2:/nfs/gemini,v3,tcp ro ip=::::::dhcp

Cheers
  Trond


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