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From: Willy Tarreau <w@1wt.eu>
To: David Miller <davem@davemloft.net>
Cc: herbert@gondor.apana.org.au, mingo@elte.hu,
	davidn@davidnewall.com, torvalds@linux-foundation.org,
	akpm@linux-foundation.org, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org, stefanr@s5r6.in-berlin.de,
	rjw@sisk.pl, ilpo.jarvinen@helsinki.fi
Subject: Re: [TCP bug, regression] stuck distcc connections in latest -git
Date: Thu, 24 Jul 2008 15:01:56 +0200	[thread overview]
Message-ID: <20080724130156.GA21489@1wt.eu> (raw)
In-Reply-To: <20080724.022259.113079007.davem@davemloft.net>

On Thu, Jul 24, 2008 at 02:22:59AM -0700, David Miller wrote:
> 
> BTW, if someone can contact the Fedora folks, specifically whoever
> added that syncookies enable to /etc/sysctl.conf, and let them know
> that they've set our TCP stack back by 10 years by disabling SACK
> and timestamps, I'd really appreciate it.

But syn cookies should not trigger unless the syn backlog is full, right ?
Anyway, it would also explain why Ingo's running no default MSS (though
it should be correctly negociated by syn cookies).

willy


  parent reply	other threads:[~2008-07-24 13:03 UTC|newest]

Thread overview: 255+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-07-20 17:44 [GIT]: Networking David Miller
2008-07-20 17:59 ` Arjan van de Ven
2008-07-20 23:52   ` David Miller
2008-07-21 20:32   ` David Miller
2008-07-21  0:54 ` Linus Torvalds
2008-07-21  1:03   ` David Miller
2008-07-21  1:09     ` Alexey Dobriyan
2008-07-21  1:14       ` David Miller
2008-07-21  1:22         ` Alexey Dobriyan
2008-07-21  2:40         ` Alexey Dobriyan
2008-07-21  2:48           ` David Miller
2008-07-21  5:11             ` David Miller
2008-07-21  9:48               ` Alexander Beregalov
2008-07-21 10:16                 ` Ben Hutchings
2008-07-21 15:35                   ` David Miller
2008-07-21 16:04                     ` Alexander Beregalov
2008-07-21 11:57               ` Alexey Dobriyan
2008-07-21 15:27                 ` David Miller
2008-07-21 16:49               ` Linus Torvalds
2008-07-21 16:53                 ` David Miller
2008-07-21  1:20     ` Patrick McHardy
2008-07-21 11:28       ` Stefan Richter
2008-07-21 11:45       ` James Morris
2008-07-21 12:05         ` Patrick McHardy
2008-07-21 17:28           ` David Miller
2008-07-21 17:40             ` Linus Torvalds
2008-07-21 20:33               ` Patrick McHardy
2008-07-23 23:42                 ` David Miller
2008-07-21  1:07   ` Linus Torvalds
2008-07-21  1:17     ` David Miller
2008-07-21  1:17       ` David Miller
2008-07-21  8:36 ` iwlwifi: fix build bug in "iwlwifi: fix LED stall" Ingo Molnar
2008-07-21 10:02   ` Winkler, Tomas
2008-07-21 10:53     ` Ingo Molnar
2008-07-21 12:12   ` [PATCH] iwlwifi: RS small compile warnings without CONFIG_IWLWIFI_DEBUG Tomas Winkler
2008-07-21 12:12     ` [PATCH] iwlwifi: " Tomas Winkler
2008-07-21 12:12       ` [PATCH] iwlwifi: compilation error when CONFIG_IWLWIFI_DEBUG is not set Tomas Winkler
2008-07-21 13:30 ` [crash, bisected] Kernel BUG at ffffffff8079afb1 (__netif_schedule()) Ingo Molnar
2008-07-21 13:45   ` [crash] BUG: unable to handle kernel NULL pointer dereference at 0000000000000370 Ingo Molnar
2008-07-21 14:30     ` Ingo Molnar
2008-07-21 15:04       ` Ingo Molnar
2008-07-21 15:24         ` David Miller
2008-07-21 18:18           ` Ian Schram
2008-07-21 19:06             ` Ingo Molnar
2008-07-21 19:13               ` Larry Finger
2008-07-21 19:13                 ` Larry Finger
2008-07-21 19:34                 ` Ingo Molnar
2008-07-21 19:34                   ` Ingo Molnar
2008-07-21 19:43                   ` Larry Finger
2008-07-21 19:43                     ` Larry Finger
2008-07-21 19:47                     ` Linus Torvalds
2008-07-21 19:47                       ` Linus Torvalds
2008-07-21 20:15                       ` David Miller
2008-07-21 20:28                       ` Larry Finger
2008-07-21 20:28                         ` Larry Finger
2008-07-21 20:21                     ` David Miller
2008-07-21 20:21                       ` David Miller
2008-07-21 20:38                       ` Larry Finger
2008-07-21 20:38                         ` Larry Finger
2008-07-21 20:46                         ` David Miller
2008-07-21 20:51                           ` Patrick McHardy
2008-07-21 21:01                             ` David Miller
2008-07-21 21:06                               ` Patrick McHardy
2008-07-21 21:35                                 ` Patrick McHardy
2008-07-21 21:35                                   ` Patrick McHardy
2008-07-21 21:42                                   ` Patrick McHardy
2008-07-21 21:42                                     ` Patrick McHardy
2008-07-21 21:51                                   ` Larry Finger
2008-07-21 21:51                                     ` Larry Finger
2008-07-21 22:04                                     ` Patrick McHardy
2008-07-21 22:04                                       ` Patrick McHardy
2008-07-21 22:40                                       ` Larry Finger
2008-07-21 22:40                                         ` Larry Finger
2008-07-21 23:15                                         ` David Miller
2008-07-21 23:15                                           ` David Miller
2008-07-22  6:34                                           ` Larry Finger
2008-07-22 10:51                                             ` Jarek Poplawski
2008-07-22 10:51                                               ` Jarek Poplawski
2008-07-22 11:32                                             ` David Miller
2008-07-22 12:52                                               ` Larry Finger
2008-07-22 20:43                                                 ` David Miller
2008-07-22 13:02                                               ` Larry Finger
2008-07-22 14:53                                                 ` Patrick McHardy
2008-07-22 14:53                                                   ` Patrick McHardy
2008-07-22 21:17                                                   ` David Miller
2008-07-22 21:17                                                     ` David Miller
2008-07-22 16:39                                                 ` Kernel WARNING: at net/core/dev.c:1330 __netif_schedule+0x2c/0x98() Larry Finger
2008-07-22 16:39                                                   ` Larry Finger
2008-07-22 17:20                                                   ` Patrick McHardy
2008-07-22 17:20                                                     ` Patrick McHardy
2008-07-22 18:39                                                     ` Larry Finger
2008-07-22 18:44                                                       ` Patrick McHardy
2008-07-22 19:30                                                         ` Larry Finger
2008-07-22 19:30                                                           ` Larry Finger
2008-07-22 23:04                                                       ` David Miller
2008-07-23  6:20                                                         ` Jarek Poplawski
2008-07-23  7:59                                                           ` David Miller
2008-07-23  8:54                                                             ` Jarek Poplawski
2008-07-23  8:54                                                               ` Jarek Poplawski
2008-07-23  9:03                                                               ` Peter Zijlstra
2008-07-23  9:03                                                                 ` Peter Zijlstra
2008-07-23  9:35                                                                 ` Jarek Poplawski
2008-07-23  9:35                                                                   ` Jarek Poplawski
2008-07-23  9:50                                                                   ` Peter Zijlstra
2008-07-23  9:50                                                                     ` Peter Zijlstra
2008-07-23 10:13                                                                     ` Jarek Poplawski
2008-07-23 10:13                                                                       ` Jarek Poplawski
2008-07-23 10:58                                                                       ` Peter Zijlstra
2008-07-23 11:35                                                                         ` Jarek Poplawski
2008-07-23 11:35                                                                           ` Jarek Poplawski
2008-07-23 11:49                                                                           ` Jarek Poplawski
2008-07-23 11:49                                                                             ` Jarek Poplawski
2008-07-23 20:16                                                                             ` David Miller
2008-07-23 20:43                                                                               ` Jarek Poplawski
2008-07-23 20:55                                                                                 ` David Miller
2008-07-23 20:55                                                                                   ` David Miller
2008-07-24  9:10                                                                               ` Peter Zijlstra
2008-07-24  9:10                                                                                 ` Peter Zijlstra
2008-07-24  9:20                                                                                 ` David Miller
2008-07-24  9:20                                                                                   ` David Miller
2008-07-24  9:27                                                                                   ` Peter Zijlstra
2008-07-24  9:27                                                                                     ` Peter Zijlstra
2008-07-24  9:32                                                                                     ` David Miller
2008-07-24 10:08                                                                                       ` Peter Zijlstra
2008-07-24 10:08                                                                                         ` Peter Zijlstra
2008-07-24 10:38                                                                                         ` Nick Piggin
2008-07-24 10:55                                                                                           ` Miklos Szeredi
2008-07-24 10:55                                                                                             ` Miklos Szeredi
2008-07-24 11:06                                                                                             ` Nick Piggin
2008-07-24 11:06                                                                                               ` Nick Piggin
2008-08-01 21:10                                                                                               ` Paul E. McKenney
2008-08-01 21:10                                                                                                 ` Paul E. McKenney
2008-07-24 10:59                                                                                           ` Peter Zijlstra
2008-07-24 10:59                                                                                             ` Peter Zijlstra
2008-08-01 21:10                                                                                           ` Paul E. McKenney
2008-07-23 20:14                                                                         ` David Miller
2008-07-23 20:14                                                                           ` David Miller
2008-07-24  7:00                                                                           ` Peter Zijlstra
2008-07-24  7:00                                                                             ` Peter Zijlstra
2008-07-25 17:04                                                                           ` Ingo Oeser
2008-07-25 18:36                                                                             ` Jarek Poplawski
2008-07-25 18:36                                                                               ` Jarek Poplawski
2008-07-25 19:16                                                                               ` Johannes Berg
2008-07-25 19:34                                                                                 ` Jarek Poplawski
2008-07-25 19:34                                                                                   ` Jarek Poplawski
2008-07-25 19:36                                                                                   ` Johannes Berg
2008-07-25 20:01                                                                                     ` Jarek Poplawski
2008-07-26  9:18                                                                                       ` David Miller
2008-07-26  9:18                                                                                         ` David Miller
2008-07-26 10:53                                                                                         ` Jarek Poplawski
2008-07-26 13:18                                                                                         ` Jarek Poplawski
2008-07-26 13:18                                                                                           ` Jarek Poplawski
2008-07-27  0:34                                                                                           ` David Miller
2008-07-27  0:34                                                                                             ` David Miller
2008-07-27 20:37                                                                                             ` Jarek Poplawski
2008-07-27 20:37                                                                                               ` Jarek Poplawski
2008-07-31 12:29                                                                                               ` David Miller
2008-07-31 12:29                                                                                                 ` David Miller
2008-07-31 12:38                                                                                                 ` Nick Piggin
2008-07-31 12:38                                                                                                   ` Nick Piggin
2008-07-31 12:44                                                                                                   ` David Miller
2008-08-01  4:27                                                                                                 ` David Miller
2008-08-01  7:09                                                                                                   ` Peter Zijlstra
2008-08-01  7:09                                                                                                     ` Peter Zijlstra
2008-08-01  6:48                                                                                                 ` Jarek Poplawski
2008-08-01  7:00                                                                                                   ` David Miller
2008-08-01  7:00                                                                                                     ` David Miller
2008-08-01  7:01                                                                                                   ` Jarek Poplawski
2008-08-01  7:01                                                                                                     ` David Miller
2008-08-01  7:01                                                                                                       ` David Miller
2008-08-01  7:41                                                                                                       ` Jarek Poplawski
2008-07-25  6:20                           ` [lockdep warning] AOE / networking: aoenet_xmit: noop_qdisc.q.lock, INFO: inconsistent lock state at 0000000000000370 Ingo Molnar
2008-07-25  6:25                             ` David Miller
2008-07-25  7:26                               ` Ingo Molnar
2008-07-25  8:23                                 ` David Miller
2008-07-21 15:10       ` [crash] BUG: unable to handle kernel NULL pointer dereference " David Miller
2008-07-21 15:10         ` David Miller
2008-07-21 15:10         ` David Miller
2008-07-21 18:23     ` [crash] kernel BUG at net/core/dev.c:1328! Ingo Molnar
2008-07-21 18:35       ` Linus Torvalds
2008-07-21 18:46         ` Ingo Molnar
2008-07-21 19:30           ` Ingo Molnar
2008-07-22 11:21           ` [TCP bug] stuck distcc connections in latest -git Ingo Molnar
2008-07-22 13:45             ` David Newall
2008-07-22 13:57               ` Ingo Molnar
2008-07-22 14:54                 ` David Newall
2008-07-22 15:34                   ` Ingo Molnar
2008-07-22 21:12                     ` Willy Tarreau
2008-07-23  8:26                       ` Ingo Molnar
2008-07-24  6:04                         ` [TCP bug, regression] " Ingo Molnar
2008-07-24  6:32                           ` Ingo Molnar
2008-07-24  7:33                             ` Willy Tarreau
2008-07-24  8:35                               ` Ingo Molnar
2008-07-24  7:53                             ` Herbert Xu
2008-07-24  8:24                               ` Willy Tarreau
2008-07-24  8:27                               ` Ingo Molnar
2008-07-24  8:36                                 ` David Miller
2008-07-24  9:05                           ` Herbert Xu
2008-07-24  9:22                             ` David Miller
2008-07-24  9:34                               ` Ingo Molnar
2008-07-24 11:56                                 ` [regression] nf_iterate(), BUG: unable to handle kernel NULL pointer dereference Ingo Molnar
2008-07-24 11:59                                   ` Ingo Molnar
2008-07-24 12:03                                     ` Patrick McHardy
2008-07-24 12:22                                       ` Herbert Xu
2008-07-24 12:40                                         ` Pekka Enberg
2008-07-24 12:50                                           ` Herbert Xu
2008-07-24 12:56                                             ` Nick Piggin
2008-07-24 13:04                                               ` Herbert Xu
2008-07-24 13:13                                                 ` Nick Piggin
2008-07-24 13:32                                                   ` Pekka Enberg
2008-07-24 19:21                                                     ` Matt Mackall
2008-07-25  9:09                                                       ` Nick Piggin
2008-07-24 13:11                                             ` Matt Mackall
2008-07-24 14:37                                               ` Herbert Xu
2008-07-24 17:47                                                 ` Matt Mackall
2008-07-25  1:39                                                   ` Herbert Xu
2008-07-25  2:59                                                     ` Matt Mackall
2008-07-24 12:44                                       ` Pekka Enberg
2008-07-24 12:49                                         ` Patrick McHardy
2008-07-24 13:23                                           ` Pekka Enberg
2008-07-24 13:31                                             ` Patrick McHardy
2008-07-24 13:34                                               ` Pekka Enberg
2008-07-24 18:51                                                 ` Andrew Morton
2008-07-24 18:55                                                   ` Pekka Enberg
2008-07-24 20:58                                                     ` David Miller
2008-07-25  8:02                                                     ` Dieter Ries
2008-07-25 10:41                                                       ` Pekka Enberg
2008-07-24 19:35                                                   ` Ingo Molnar
2008-07-26 16:09                                                     ` Patrick McHardy
2008-07-26 17:34                                                       ` Ingo Molnar
2008-07-26 13:43                                                   ` Patrick McHardy
2008-07-24 21:13                                           ` Linus Torvalds
2008-07-24 22:09                                             ` David Miller
2008-07-26 13:47                                             ` Patrick McHardy
2008-08-01 21:10                                             ` Paul E. McKenney
2008-07-24 14:23                                     ` Ingo Molnar
2008-07-24 15:23                                       ` Patrick McHardy
2008-07-24 15:32                                         ` Ingo Molnar
2008-07-24 15:34                                           ` Patrick McHardy
2008-07-24 18:00                                           ` Krzysztof Oledzki
2008-07-24 13:01                               ` Willy Tarreau [this message]
2008-07-24  9:25                             ` [TCP bug, regression] stuck distcc connections in latest -git Ingo Molnar
2008-07-24  9:29                               ` David Miller
2008-07-24 11:12                               ` Herbert Xu
2008-07-24  9:36                             ` Ilpo Järvinen
2008-07-24 10:03                               ` Ilpo Järvinen
2008-07-21 19:00         ` [crash] kernel BUG at net/core/dev.c:1328! David Miller
2008-07-21 19:20           ` Stefan Richter
2008-07-21 20:11             ` David Miller
2008-07-21 21:26               ` Stefan Richter
2008-07-21 19:44           ` Ingo Molnar
2008-07-21 20:20             ` David Miller
2008-07-21 15:07   ` [crash, bisected] Kernel BUG at ffffffff8079afb1 (__netif_schedule()) David Miller
2008-07-21 13:50 ` [GIT]: Networking Ingo Molnar
2008-07-21 14:15   ` Stefan Richter

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