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From: Andi Kleen <andi@firstfloor.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Andi Kleen <andi@firstfloor.org>,
	paul@mad-scientist.net, linux-kernel@vger.kernel.org
Subject: Re: [2.6.27.24] Kernel coredump to a pipe is failing
Date: Wed, 27 May 2009 01:14:28 +0200	[thread overview]
Message-ID: <20090526231428.GK846@one.firstfloor.org> (raw)
In-Reply-To: <20090526160017.98fc62e4.akpm@linux-foundation.org>

On Tue, May 26, 2009 at 04:00:17PM -0700, Andrew Morton wrote:
> dump_write() doesn't seem right, either.  If ->write() returns, say,
> 100 then the dump should keep on going.  At present it treats this
> return as an error.

I think that's correct actually. Short write typically means serious 
issue like disk full or broken pipe, so stopping is good.

> I wonder why the signal problem has just turned up now - did we change
> the pipe code or something?

No idea.

-Andi

-- 
ak@linux.intel.com -- Speaking for myself only.

  reply	other threads:[~2009-05-26 23:08 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-05-26 16:33 [2.6.27.24] Kernel coredump to a pipe is failing Paul Smith
2009-05-26 18:01 ` Paul Smith
2009-05-26 20:31 ` Andi Kleen
2009-05-26 21:09   ` Paul Smith
2009-05-26 23:00   ` Andrew Morton
2009-05-26 23:14     ` Andi Kleen [this message]
2009-05-26 23:28       ` Andrew Morton
2009-05-26 23:41         ` Andi Kleen
2009-05-26 23:45           ` Andrew Morton
2009-05-27  0:11             ` Andi Kleen
2009-05-27  0:29               ` Andrew Morton
2009-05-27  6:02                 ` Paul Smith
2009-05-27  6:17                 ` Paul Smith
2009-05-27  7:31                 ` Andi Kleen
2009-05-27  7:45                   ` Andrew Morton
2009-05-27  8:52                     ` Andi Kleen
2009-05-27  8:56                       ` Andrew Morton
2009-05-27 20:25           ` Jesper Juhl
2009-05-29 10:34           ` Pavel Machek
2009-05-27 18:31   ` Oleg Nesterov
2009-05-27 18:50     ` Andi Kleen
2009-05-27 19:05       ` Oleg Nesterov
2009-05-27 19:49         ` Paul Smith
2009-05-27 20:34           ` Oleg Nesterov
2009-05-27 20:04     ` Oleg Nesterov
2009-05-27 20:22       ` Paul Smith
  -- strict thread matches above, loose matches on Subject: below --
2009-05-22 12:34 Paul Smith

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