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Date: Wed, 11 Apr 2012 07:43:00 +0200 From: Eric Dumazet <eric.dumazet@...il.com> To: Marc MERLIN <marc@...lins.org> Cc: David Miller <davem@...emloft.net>, Larry.Finger@...inger.net, bhutchings@...arflare.com, linux-wireless@...r.kernel.org, netdev@...r.kernel.org Subject: Re: 3.2.8/amd64 full interrupt hangs and deadlocks under big network copies (page allocation failure) On Tue, 2012-04-10 at 22:27 -0700, Marc MERLIN wrote: > On Tue, Apr 10, 2012 at 08:11:03AM +0200, Eric Dumazet wrote: > > Please try following patch, as it solved the problem for me (no more > > order-1 allocations in tx path) > > I applied our patch to 3.3.1 and cannot reproduce the problem anymore. > > I'll leave a big wireless copy running overnight just in case, but I think > you fixed it. > > Thanks much, > Marc Thanks Marc for bringing this issue. I have a lenovo T420s laptop and could debug the thing pretty fast. I'll send two official patches. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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