netdev - Re: surprising memory request

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Message-ID: <20130118181108.GB15466@ppwaskie-mobl2.amr.corp.intel.com>
Date:	Fri, 18 Jan 2013 10:11:08 -0800
From:	"Waskiewicz Jr, Peter P" <peter.p.waskiewicz.jr@...el.com>
To:	Dirk Hohndel <dirk@...ndel.org>
Cc:	netdev@...r.kernel.org, David Woodhouse <dwmw2@...radead.org>
Subject: Re: surprising memory request

On Fri, Jan 18, 2013 at 10:09:30AM -0800, Waskiewicz Jr, Peter P wrote:
> On Fri, Jan 18, 2013 at 08:58:18AM -0800, Dirk Hohndel wrote:
> > 
> > Running openconnect on a very recent 3.8 (a few commits before Linus cut
> > RC4) I get this allocation failure. I'm unclear why we would need 128
> > contiguous pages here...
> > 
> > /D
> 
> [...]
> 
> > [66015.674074] 541777 total pagecache pages
> > [66015.674075] 142 pages in swap cache
> > [66015.674078] Swap cache stats: add 4420, delete 4278, find 106/118
> > [66015.674080] Free swap  = 9197216kB
> > [66015.674082] Total swap = 9213948kB
> > [66015.710738] 2094576 pages RAM
> > [66015.710745] 85536 pages reserved
> > [66015.710746] 1755663 pages shared
> > [66015.710748] 1488520 pages non-shared
> > [66015.710752] netdev: Unable to allocate 1024 tx queues
> 
> What device are you using that is trying to allocate so many Tx queues?
> Assuming this is coming from the VPN device coming online; is SELinux
> in enforcing mode?  There have been a number of changes in the tun
> driver recently around the multiqueue area with SELinux, just a theory
> at this point.  I can keep digging.

Or I can see Eric's mail before replying, nevermind.
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