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From: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
To: Stefan Schmidt <zaphodb@zaphods.net>
Cc: Nick Piggin <piggin@cyberone.com.au>,
	Andrew Morton <akpm@osdl.org>,
	linux-kernel@vger.kernel.org, netdev@oss.sgi.com
Subject: Re: 2.6.10-rc1-mm4 -1 EAGAIN after allocation failure was: Re: Kernel 2.6.9 Multiple Page Allocation Failures
Date: Wed, 10 Nov 2004 08:56:21 -0200	[thread overview]
Message-ID: <20041110105621.GA11097@logos.cnet> (raw)
In-Reply-To: <20041110124810.GG28163@zaphods.net>

On Wed, Nov 10, 2004 at 01:48:11PM +0100, Stefan Schmidt wrote:
> On Wed, Nov 10, 2004 at 06:58:31AM -0200, Marcelo Tosatti wrote:
> > > > > Can you try the following patch, please? It is diffed against 2.6.10-rc1,
> > > I did. No apparent change with mm4 and vm.min_free_kbytes = 8192. I will try
> > > latest bk next.
> 
> > > > I set it back to CONFIG_PACKET_MMAP=y and if the application does not freeze
> > > > for some hours at this load we can blame at least this issue (-1 EAGAIN) on
> > > > that parameter.
> > > Nope, that didn't change anything, still getting EAGAIN, checked two times.
> > Its not clear to me - do you have Nick's watermark patch in? 
> Yes i have vm.min_free_kbytes=8192 and Nick's patch in mm4. I'll try
> rc1-bk19 with his restore-atomic-buffer patch in a few minutes.

Stefan, 

Please always run your tests with show_free_area() call at the 
page allocation failure path.

I fully disagree with Andrew when he says  
"I don't think it'd help much - we know what's happening."


  reply	other threads:[~2004-11-10 14:28 UTC|newest]

Thread overview: 64+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-11-03 22:24 Kernel 2.6.9 Multiple Page Allocation Failures (Part 2) Stefan Schmidt
2004-11-04 12:17 ` Marcelo Tosatti
2004-11-04 18:18   ` Stefan Schmidt
2004-11-09 16:41     ` Kernel 2.6.9 Multiple Page Allocation Failures Marcelo Tosatti
2004-11-09 22:35       ` Lukas Hejtmanek
2004-11-09 22:46         ` Andrew Morton
2004-11-09 22:44           ` Lukas Hejtmanek
2004-11-09 20:33             ` Marcelo Tosatti
2004-11-10 20:35               ` Lukas Hejtmanek
2004-11-10 21:09                 ` Andrew Morton
2004-11-10 21:24                   ` Lukas Hejtmanek
2004-11-10 21:47                     ` Andrew Morton
2004-11-10 21:28               ` Lukas Hejtmanek
2004-11-10 18:11                 ` Marcelo Tosatti
2004-11-11  1:04                   ` Lukas Hejtmanek
2004-11-11 21:44                   ` Lukas Hejtmanek
2004-11-12 12:09                     ` Nick Piggin
2004-11-13 14:47                       ` Stefan Schmidt
2004-11-16  9:33                         ` Marcelo Tosatti
2004-11-16 17:05                           ` Lukas Hejtmanek
2004-11-21  1:43                             ` Stefan Schmidt
2004-11-21  2:42                               ` Stefan Schmidt
2004-12-02 19:54                                 ` Lukas Hejtmanek
2004-12-02 20:25                                   ` Andrew Morton
2004-12-02 21:03                                     ` Lukas Hejtmanek
2004-12-02 22:31                                       ` Stefan Schmidt
2004-12-02 22:48                                         ` Lukas Hejtmanek
2004-12-02 22:56                                         ` Andrew Morton
2004-12-02 23:18                                           ` Lukas Hejtmanek
2004-12-03  0:18                                             ` Andrew Morton
2004-12-03 12:11                                               ` Lukas Hejtmanek
2004-12-03 12:17                                                 ` Lukas Hejtmanek
2004-12-07 22:52                                                 ` Nick Piggin
2004-12-07 22:59                                                   ` Lukas Hejtmanek
2004-12-07 23:05                                                     ` Nick Piggin
2004-12-08 11:18                                                       ` Lukas Hejtmanek
2004-12-08 11:23                                                         ` Nick Piggin
2004-12-08 11:46                                                           ` Lukas Hejtmanek
2004-12-08 13:14                                                           ` Lukas Hejtmanek
2004-12-09  8:52                                                             ` Nick Piggin
2004-12-09  9:02                                                               ` Lukas Hejtmanek
2004-12-09 10:29                                                                 ` Nick Piggin
2004-12-09 10:37                                                                   ` Lukas Hejtmanek
2004-12-03  6:18                                           ` Nathan Scott
2004-12-03  7:06                                             ` Andrew Morton
2004-12-07 11:17                                             ` Lukas Hejtmanek
2004-12-08  0:15                                               ` Nathan Scott
2004-12-08  0:36                                                 ` Lukas Hejtmanek
2004-12-03 10:35                                           ` Christoph Hellwig
2004-12-03 10:58                                     ` P
2004-12-03 17:11                                       ` Andrew Morton
2004-11-09 23:52           ` Stefan Schmidt
2004-11-10  1:27             ` 2.6.10-rc1-mm4 -1 EAGAIN after allocation failure was: " Stefan Schmidt
2004-11-10  1:39               ` Andrew Morton
2004-11-10  2:03                 ` Stefan Schmidt
2004-11-10  2:21                   ` Andrew Morton
2004-11-10  4:24                   ` Nick Piggin
2004-11-10 10:28                     ` Stefan Schmidt
2004-11-10 12:06                       ` Stefan Schmidt
2004-11-10  8:58                         ` Marcelo Tosatti
2004-11-10 12:48                           ` Stefan Schmidt
2004-11-10 10:56                             ` Marcelo Tosatti [this message]
2004-11-11  1:23                             ` Nick Piggin
2004-11-11 18:31                               ` jhigdon

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