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Message-ID: <CAJyhjX1E_yzT1Vte+3iqc-PnfLiEEdFEyM9GcOCs-6TrUm86XQ@mail.gmail.com> Date: Wed, 23 May 2012 15:30:24 -0300 From: Sergio Correia <lists@...e.net> To: Eric Dumazet <eric.dumazet@...il.com> Cc: netdev@...r.kernel.org Subject: Re: WARNING: at net/ipv4/tcp.c:1301 tcp_cleanup_rbuf+0x4f/0x110() On Wed, May 23, 2012 at 1:36 PM, Eric Dumazet <eric.dumazet@...il.com> wrote: > On Wed, 2012-05-23 at 12:56 -0300, Sergio Correia wrote: >> On Wed, May 23, 2012 at 12:08 PM, Eric Dumazet <eric.dumazet@...il.com> wrote: >> > On Tue, 2012-05-22 at 11:47 -0300, Sergio Correia wrote: >> >> Hi Eric, >> > ... >> >> Yes, it's an Atheros AR9285 adapter. >> >> This morning I did a make mrproper before rebuilding the kernel >> >> (should I always do that?), but the warning has just appeared again. >> > >> > OK, I am taking a look at this problem, thanks. >> > >> >> Thanks. Let me know if you need additional info. As of now, my dmesg >> basically shows only those warnings. > > I believe I found the bug and am testing a fix right now. > > By the way, we might have the same problem in tcp collapses. > > TCP coalescing (introduced in linux-3.5) triggers the problem faster. > > Please test following patch : > I reverted back to 471368557a734c6c486ee757952c902b36e7fd01 and it took almost one hour to trigger the warning. Now I have applied your patch and will report back how it went after a few hours of testing. -- 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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