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

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Date:	Wed, 29 Aug 2007 09:37:00 -0400
From:	Peter Staubach <staubach@...hat.com>
To:	Valdis.Kletnieks@...edu
CC:	"J. Bruce Fields" <bfields@...ldses.org>,
	"Dr. David Alan Gilbert" <linux@...blig.org>,
	Randy Dunlap <randy.dunlap@...cle.com>, neilb@...e.de,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Add source address to sunrpc svc errors

Valdis.Kletnieks@...edu wrote:
> On Mon, 27 Aug 2007 17:43:33 EDT, "J. Bruce Fields" said:
>
>   
>> Looks like a reasonable idea to me, thanks!  Any objection to just
>> calling it "svc_printk" instead of "svc_printkerr"?
>>
>> 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.
>>     
>
> I shouldn't have to rebuild my kernel with debugging enabled just to see
> who is throwing trash at my machine.  printk(KERN_INFO maybe and/or using
> a printk_ratelimit.
>   

There are a lot of ways to discover who is throwing trash
at your system other than the kernel printing messages.

Tools such as tcpdump and tethereal/wireshark make much better
tools for this purpose.

    Thanx...

       ps
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