Re: [PATCH] Add source address to sunrpc svc errors

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* J. Bruce Fields ([email protected]) wrote:
> On Sat, Aug 25, 2007 at 04:09:27PM +0100, Dr. David Alan Gilbert wrote:
> >   This patch adds the address of the client that caused an
> > error in sunrpc/svc.c so that you get errors that look like:
> > 
> > svc: 192.168.66.28, port=709: unknown version (3 for prog 100003, nfsd)
> > 
> > I've seen machines which get bunches of unknown version or similar
> > errors from time to time, and while the recent patch to add
> > the service helps to find which service has the wrong version it doesn't
> > help find the potentially bad client.
> 
> Looks like a reasonable idea to me, thanks!  Any objection to just
> calling it "svc_printk" instead of "svc_printkerr"?

No, that's fine.

> I also wonder whether these shouldn't all be dprintk's instead of
> printk's.  One misbehaving client could create a lot of noise in the
> logs.

Yeh; I wasn't going to change anything else about it;   the
rate limiting (that I think Neil put in a few months ago) means
that any one client doesn't get too noisy - I've got something
trying to do version 0 on nfs to a bunch of boxes and I do wonder
why; I suspect it's just a monitoring script - but it seems better
to know about it until I figure it out.

I'm not going to be able to recut the patch until the weekend;
do you just want to remove the 'err' in your copy and feed this
to the main tree with some of the rest of your patches?

Dave
-- 
 -----Open up your eyes, open up your mind, open up your code -------   
/ Dr. David Alan Gilbert    | Running GNU/Linux on Alpha,68K| Happy  \ 
\ gro.gilbert @ treblig.org | MIPS,x86,ARM,SPARC,PPC & HPPA | In Hex /
 \ _________________________|_____ http://www.treblig.org   |_______/
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