Matt
At 11:40 +0200 Trond Myklebust wrote:
>>>>>> " " == H Peter Anvin <hpa@transmeta.com> writes:
>
> > Hello everyone, I have a reproducible (and rather quick) oops
> > on a system running linux-2.4.10-ac3, which seems to be NFS
> > (v3) related; although ksymoops core dumps when I try to use
[snip]
> > ftp://ftp.zytor.com/pub/hpa/oops/
>
>I'm trying to look at this, but it seems a hopeless mess: there are no
>calls to any read/write semaphore routines in the NFS code.
>
>AFAICS the second stack return point corresponds to the call to
>generic_file_write() in nfs_file_write(), so I'd guess that the Oops
>is actually happening somewhere there...
>
>Hmm... Looking at the code in generic_file_write(), I see that Alan
>hasn't merged in the kmap() stuff in generic_file_write()from
>Linus. At the same time, the nfs_prepare_write() seems to have been
>synced with Linus, and so the kmap() that used to be there has
>disappeared.
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