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From: w@1wt.eu (Willy Tarreau)
To: linux-arm-kernel@lists.infradead.org
Subject: [BUG,REGRESSION?] 3.11.6+,3.12: GbE iface rate drops to few KB/s
Date: Tue, 19 Nov 2013 19:41:21 +0100	[thread overview]
Message-ID: <20131119184121.GN913@1wt.eu> (raw)
In-Reply-To: <1384885910.8604.110.camel@edumazet-glaptop2.roam.corp.google.com>

On Tue, Nov 19, 2013 at 10:31:50AM -0800, Eric Dumazet wrote:
> On Tue, 2013-11-19 at 18:43 +0100, Willy Tarreau wrote:
> 
> > - #define MVNETA_TX_DONE_TIMER_PERIOD 10
> > + #define MVNETA_TX_DONE_TIMER_PERIOD (1000/HZ)
> > 
> 
> I suggested this in a prior mail :
> 
> #define MVNETA_TX_DONE_TIMER_PERIOD 1

Ah sorry, I remember now.

> But apparently it was triggering strange crashes...

Ah, when a bug hides another one, it's the situation I prefer, because
by working on one, you end up fixing two :-)

Cheers,
Willy

WARNING: multiple messages have this Message-ID (diff)
From: Willy Tarreau <w@1wt.eu>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>,
	Florian Fainelli <f.fainelli@gmail.com>,
	simon.guinot@sequanux.org, netdev@vger.kernel.org,
	Arnaud Ebalard <arno@natisbad.org>,
	edumazet@google.com, Cong Wang <xiyou.wangcong@gmail.com>,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [BUG,REGRESSION?] 3.11.6+,3.12: GbE iface rate drops to few KB/s
Date: Tue, 19 Nov 2013 19:41:21 +0100	[thread overview]
Message-ID: <20131119184121.GN913@1wt.eu> (raw)
In-Reply-To: <1384885910.8604.110.camel@edumazet-glaptop2.roam.corp.google.com>

On Tue, Nov 19, 2013 at 10:31:50AM -0800, Eric Dumazet wrote:
> On Tue, 2013-11-19 at 18:43 +0100, Willy Tarreau wrote:
> 
> > - #define MVNETA_TX_DONE_TIMER_PERIOD 10
> > + #define MVNETA_TX_DONE_TIMER_PERIOD (1000/HZ)
> > 
> 
> I suggested this in a prior mail :
> 
> #define MVNETA_TX_DONE_TIMER_PERIOD 1

Ah sorry, I remember now.

> But apparently it was triggering strange crashes...

Ah, when a bug hides another one, it's the situation I prefer, because
by working on one, you end up fixing two :-)

Cheers,
Willy

  reply	other threads:[~2013-11-19 18:41 UTC|newest]

Thread overview: 121+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-11-10 13:53 [BUG,REGRESSION?] 3.11.6+,3.12: GbE iface rate drops to few KB/s Arnaud Ebalard
2013-11-10 13:53 ` Arnaud Ebalard
2013-11-12  6:48 ` Cong Wang
2013-11-12  6:48   ` Cong Wang
2013-11-12  7:56   ` Arnaud Ebalard
2013-11-12  7:56     ` Arnaud Ebalard
2013-11-12  8:36     ` Willy Tarreau
2013-11-12  8:36       ` Willy Tarreau
2013-11-12  9:14       ` Arnaud Ebalard
2013-11-12  9:14         ` Arnaud Ebalard
2013-11-12 10:01         ` Willy Tarreau
2013-11-12 10:01           ` Willy Tarreau
2013-11-12 15:34           ` Arnaud Ebalard
2013-11-12 15:34             ` Arnaud Ebalard
2013-11-13  7:22             ` Willy Tarreau
2013-11-13  7:22               ` Willy Tarreau
2013-11-17 14:19               ` Willy Tarreau
2013-11-17 14:19                 ` Willy Tarreau
2013-11-17 17:41                 ` Eric Dumazet
2013-11-17 17:41                   ` Eric Dumazet
2013-11-19  6:44                   ` Arnaud Ebalard
2013-11-19  6:44                     ` Arnaud Ebalard
2013-11-19 13:53                     ` Eric Dumazet
2013-11-19 13:53                       ` Eric Dumazet
2013-11-19 17:43                       ` Willy Tarreau
2013-11-19 17:43                         ` Willy Tarreau
2013-11-19 18:31                         ` Eric Dumazet
2013-11-19 18:31                           ` Eric Dumazet
2013-11-19 18:41                           ` Willy Tarreau [this message]
2013-11-19 18:41                             ` Willy Tarreau
2013-11-19 23:53                             ` Arnaud Ebalard
2013-11-19 23:53                               ` Arnaud Ebalard
2013-11-20  0:08                               ` Eric Dumazet
2013-11-20  0:08                                 ` Eric Dumazet
2013-11-20  0:35                                 ` Willy Tarreau
2013-11-20  0:35                                   ` Willy Tarreau
2013-11-20  0:43                                   ` Eric Dumazet
2013-11-20  0:43                                     ` Eric Dumazet
2013-11-20  0:52                                     ` Willy Tarreau
2013-11-20  0:52                                       ` Willy Tarreau
2013-11-20  8:50                               ` Thomas Petazzoni
2013-11-20  8:50                                 ` Thomas Petazzoni
2013-11-20 19:21                                 ` Arnaud Ebalard
2013-11-20 19:11                               ` Willy Tarreau
2013-11-20 19:11                                 ` Willy Tarreau
2013-11-20 19:26                                 ` Arnaud Ebalard
2013-11-20 19:26                                   ` Arnaud Ebalard
2013-11-20 21:28                                 ` Arnaud Ebalard
2013-11-20 21:28                                   ` Arnaud Ebalard
2013-11-20 21:54                                   ` Willy Tarreau
2013-11-20 21:54                                     ` Willy Tarreau
2013-11-21  0:44                                     ` Willy Tarreau
2013-11-21  0:44                                       ` Willy Tarreau
2013-11-21 18:38                                       ` ARM network performance and dma_mask (was: [BUG,REGRESSION?] 3.11.6+,3.12: GbE iface rate drops to few KB/s) Willy Tarreau
2013-11-21 19:04                                         ` Thomas Petazzoni
2013-11-21 19:04                                           ` Thomas Petazzoni
2013-11-21 21:51                                           ` ARM network performance and dma_mask (was: [BUG, REGRESSION?] 3.11.6+, 3.12: " Willy Tarreau
2013-11-21 21:51                                             ` ARM network performance and dma_mask (was: [BUG,REGRESSION?] 3.11.6+,3.12: " Willy Tarreau
2013-11-21 22:01                                         ` ARM network performance and dma_mask Rob Herring
2013-11-21 22:01                                           ` Rob Herring
2013-11-21 22:13                                           ` Willy Tarreau
2013-11-21 22:13                                             ` Willy Tarreau
2013-11-21 21:51                                       ` [BUG,REGRESSION?] 3.11.6+,3.12: GbE iface rate drops to few KB/s Arnaud Ebalard
2013-11-21 21:51                                         ` Arnaud Ebalard
2013-11-21 21:52                                         ` Willy Tarreau
2013-11-21 21:52                                           ` Willy Tarreau
2013-11-21 22:00                                           ` Eric Dumazet
2013-11-21 22:00                                             ` Eric Dumazet
2013-11-21 22:55                                             ` Arnaud Ebalard
2013-11-21 22:55                                               ` Arnaud Ebalard
2013-11-21 23:23                                               ` Rick Jones
2013-11-21 23:23                                                 ` Rick Jones
2013-11-20 17:12                   ` Willy Tarreau
2013-11-20 17:12                     ` Willy Tarreau
2013-11-20 17:30                     ` Eric Dumazet
2013-11-20 17:30                       ` Eric Dumazet
2013-11-20 17:38                       ` Willy Tarreau
2013-11-20 17:38                         ` Willy Tarreau
2013-11-20 18:52                       ` David Miller
2013-11-20 18:52                         ` David Miller
2013-11-20 17:34                     ` Willy Tarreau
2013-11-20 17:34                       ` Willy Tarreau
2013-11-20 17:40                       ` Eric Dumazet
2013-11-20 17:40                         ` Eric Dumazet
2013-11-20 18:15                         ` Willy Tarreau
2013-11-20 18:15                           ` Willy Tarreau
2013-11-20 18:21                           ` Eric Dumazet
2013-11-20 18:21                             ` Eric Dumazet
2013-11-20 18:29                             ` Willy Tarreau
2013-11-20 18:29                               ` Willy Tarreau
2013-11-20 19:22                           ` Arnaud Ebalard
2013-11-20 19:22                             ` Arnaud Ebalard
2013-11-18 10:09                 ` David Laight
2013-11-18 10:09                   ` David Laight
2013-11-18 10:52                   ` Willy Tarreau
2013-11-18 10:52                     ` Willy Tarreau
2013-11-18 10:26                 ` Thomas Petazzoni
2013-11-18 10:26                   ` Thomas Petazzoni
2013-11-18 10:44                   ` Simon Guinot
2013-11-18 10:44                     ` Simon Guinot
2013-11-18 16:54                     ` Stephen Hemminger
2013-11-18 16:54                       ` Stephen Hemminger
2013-11-18 17:13                       ` Eric Dumazet
2013-11-18 17:13                         ` Eric Dumazet
2013-11-18 10:51                   ` Willy Tarreau
2013-11-18 10:51                     ` Willy Tarreau
2013-11-18 17:58                     ` Florian Fainelli
2013-11-18 17:58                       ` Florian Fainelli
2013-11-12 14:39     ` [PATCH] tcp: tsq: restore minimal amount of queueing Eric Dumazet
2013-11-12 15:24       ` Sujith Manoharan
2013-11-13 14:06       ` Eric Dumazet
2013-11-13 14:32       ` [PATCH v2] " Eric Dumazet
2013-11-13 21:18         ` Arnaud Ebalard
2013-11-13 21:59           ` Holger Hoffstaette
2013-11-13 23:40             ` Eric Dumazet
2013-11-13 23:52               ` Holger Hoffstaette
2013-11-17 23:15                 ` Francois Romieu
2013-11-18 16:26                   ` Holger Hoffstätte
2013-11-18 16:47                     ` Eric Dumazet
2013-11-13 22:41           ` Eric Dumazet
2013-11-14 21:26         ` David Miller

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