From: Pavel Machek <pavel@ucw.cz>
To: Takao Indoh <indou.takao@soft.fujitsu.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH]Diskdump - yet another crash dump function
Date: Fri, 4 Jun 2004 11:33:44 +0200 [thread overview]
Message-ID: <20040604093344.GA700@elf.ucw.cz> (raw)
In-Reply-To: <4BC449CD20D638indou.takao@soft.fujitsu.com>
Hi!
> >> Although I know about LKCD and netdump, I'm developing yet another crash
> >> dump, which is a polling-based disk dump as netdump do. Because it
> >> disables any interrupts during doing dump, it can avoid lots of problems
> >> LKCD has.
> >>
> >> Main Feature
> >> - Reliability
> >> Diskdump disables interrupts, stops other cpus and writes to the
> >> disk with polling mode. Therefore, unnecessary functions(like
> >> interrupt handler) don't disturb dumping.
> >
> >Hmm... with this, better design of swsusp mifht be feasible.
>
> I don't know mechanism of swsusp well.
> Do you mean diskdump is useful when saving system memory to the disk?
Yes. Self-contained code accessing disk would be usefull both when
saving system memory and when reading it back. (This is probably 2.8
material, through).
Pavel
--
934a471f20d6580d5aad759bf0d97ddc
next prev parent reply other threads:[~2004-06-04 9:33 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-05-27 9:33 [PATCH]Diskdump - yet another crash dump function Takao Indoh
2004-05-27 12:36 ` [1/4] " Takao Indoh
2004-05-27 12:37 ` [2/4] " Takao Indoh
2004-05-27 13:48 ` Christoph Hellwig
2004-05-28 2:13 ` Takao Indoh
2004-05-27 12:39 ` [3/4] " Takao Indoh
2004-05-27 13:51 ` Christoph Hellwig
2004-05-27 21:04 ` Ingo Molnar
2004-06-17 11:34 ` Takao Indoh
2004-06-17 12:00 ` Christoph Hellwig
2004-06-17 12:45 ` Takao Indoh
2004-06-17 12:13 ` Ingo Molnar
2004-06-17 12:18 ` Christoph Hellwig
2004-06-17 12:32 ` Ingo Molnar
2004-06-17 14:56 ` Jeff Moyer
2004-06-17 15:45 ` Nobuhiro Tachino
2004-06-17 13:04 ` Takao Indoh
2004-06-17 13:10 ` Ingo Molnar
2004-06-17 13:11 ` Ingo Molnar
2004-06-17 13:15 ` Ingo Molnar
2004-06-17 14:00 ` Takao Indoh
2004-06-17 14:45 ` Nobuhiro Tachino
2004-06-17 14:53 ` Takao Indoh
2004-06-18 12:02 ` Takao Indoh
2004-06-21 20:40 ` Nobuhiro Tachino
2004-06-22 10:19 ` Ingo Molnar
2004-06-23 12:11 ` Takao Indoh
2004-06-23 13:00 ` Takao Indoh
2004-06-21 5:46 ` Keith Owens
2004-06-21 6:25 ` Takao Indoh
2004-06-22 4:21 ` Rob Landley
2004-06-22 7:56 ` Ingo Molnar
2004-05-28 9:38 ` Takao Indoh
2004-05-27 12:40 ` [4/4] " Takao Indoh
2004-05-27 13:34 ` [Document][PATCH]Diskdump " Takao Indoh
2004-06-03 13:10 ` [PATCH]Diskdump " Pavel Machek
2004-06-04 0:44 ` Takao Indoh
2004-06-04 9:33 ` Pavel Machek [this message]
[not found] <20pwP-55v-5@gated-at.bofh.it>
2004-05-27 13:19 ` Andi Kleen
2004-05-27 13:49 ` Christoph Hellwig
2004-05-27 14:02 ` Takao Indoh
2004-05-27 14:45 ` Nobuhiro Tachino
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