On Thu, 2005-11-03 at 18:10 +0000, Mark Fortescue wrote:
> Hi Trond,
>
> I am running a sparc-linux kernel using an NFS Root and it is falling over
> with the trace below.
>
> My Kernel is not a standard kernel (I have had to tweek it to get the
> SBUS GC3 and the 82077 floppy to work on my OPUS Sparc 1 clone).
>
> Can you advise me on any known issues in the NFS Client code that might
> enter NULL pointers into the 'slot->slots[i]' in __lookup_tag.
>
> If there are none that you are aware of, are there any specific areas that
> I should investigate with printk statements.
NFS does not ever directly access the radix tree internals: it always
uses the API, and it always protects those operations using the
NFS_I(inode)->req_lock.
Are you sure that radix_tree_init() is being called before the NFSroot
stuff is started? To me, this whole thing smells of memory scribble.
Cheers,
Trond
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