Re: Kerberized NFS-Server Problem still present in 3.10.0-rc2

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On Mon, Jul 08, 2013 at 10:08:05AM +0200, Sven Geggus wrote:
> Monday Monday, so good to me :)
> 
> On Friday, 5. Jul 2013 22:34, J. Bruce Fields wrote:
> 
> > Hm, might be interesting to see what mountd's doing too:
> > 
> > 	strace -p $(pidof rpc.svcgssd) -s4096 -e trace=open,close,read,write

Argh--I said "mountd", then I forgot to replace the rpc.svcgssd in the
cut-n-pasted commandline; should have been:

	strace -p $(pidof rpc.mountd) -s4096 -e trace=open,close,read,write

> 
> OK, output attached. While reading this output I recogniced, that I
> overlooked the following error-messages from rpc.svcgssd and rpc.mountd:
> 
> Jul  8 09:53:38 vnfsrv rpc.svcgssd[2914]: ERROR: GSS-API: error in gss_free_lucid_sec_context(): GSS_S_NO_CONTEXT (No context has been established) - Unknown error
> Jul  8 09:53:38 vnfsrv rpc.svcgssd[2914]: WARN: failed to free lucid sec context
> Jul  8 09:53:38 vnfsrv rpc.mountd[2927]: qword_eol: fprintf failed: errno 22 (Invalid argument)
> 
> > Hm, maybe this gid upcall?  Does the following (probably not completely
> > right) help?
> 
> Yes, we are getting there. While the strange messages from rpc.svcgssd
> persist, the mount now seems to work again after your patch has been
> applied.

Anyway.  OK, that more or less solves the mystery, though the strace
output might still be interesting.

--b.
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