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From: Linus Torvalds <torvalds@linux-foundation.org>
To: Stephen Hemminger <shemminger@linux-foundation.org>
Cc: Thomas Gleixner <tglx@linutronix.de>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Jeff Garzik <jeff@garzik.org>
Subject: Re: Linux 2.6.20-rc6 - sky2 resume breakage
Date: Mon, 29 Jan 2007 16:12:27 -0800 (PST)	[thread overview]
Message-ID: <Pine.LNX.4.64.0701291609180.3611@woody.linux-foundation.org> (raw)
In-Reply-To: <20070129154518.40b0b3d3@freekitty>



On Mon, 29 Jan 2007, Stephen Hemminger wrote:
> 
> Why do you insist on maintaining the wrong initialization order
> on resume? When I raised the issue, Len brought up that the resume
> order did not match spec, but then there has been slow progress
> in fixing it (it's buried in -mm tree).

It's not getting merged, SINCE IT DOESN'T WORK. It causes all sorts of 
problems, because ACPI requires all kinds of things to be up and running 
in order to actually work, and that in turn breaks all the devices that 
have different ordering constraints.

ACPI is a piece of sh*t. It asks the OS to do impossible things, like 
running it early in the config sequence when it then at the same time 
wants to depend on stuff that are there *late* in the sequence. It's not 
the first time this insane situation has happened, either.

But we'll try to merge the patch that totally switches around the whole 
initialization order hopefully early after 2.6.20. But no way in hell do 
we do it now, and I personally suspect we'll end reverting it when we do 
try it just because it will probably break other things. But we'll see.

In the meantime, sky2 doesn't work with MSI.

		Linus

  reply	other threads:[~2007-01-30  0:12 UTC|newest]

Thread overview: 84+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-25  2:58 Linux 2.6.20-rc6 Linus Torvalds
2007-01-25 10:09 ` Sunil Naidu
2007-01-25 11:10 ` Linux 2.6.20-rc6 - build failure Eyal Lebedinsky
2007-01-26  2:22   ` Eyal Lebedinsky
2007-01-26 18:49     ` [2.6 patch] fix OCFS2 compile error Adrian Bunk
2007-01-26 19:47       ` Mark Fasheh
2007-01-26 19:53         ` Adrian Bunk
2007-01-26 18:46   ` Linux 2.6.20-rc6 - build failure Mark Fasheh
2007-01-25 17:50 ` Linux 2.6.20-rc6 Arkadiusz Patyk
2007-01-25 21:05 ` Michal Piotrowski
2007-01-25 21:12   ` David Miller
2007-01-26 16:52     ` Venkat Yekkirala
2007-01-26 18:10 ` 2.6.20-rc6: known unfixed regressions (part 1) Adrian Bunk
2007-01-26 18:11 ` 2.6.20-rc6: known unfixed regressions (part 2) Adrian Bunk
2007-01-26 18:16   ` Malte Schröder
2007-01-27 17:28     ` Adrian Bunk
2007-01-27 17:39       ` Adrian Bunk
2007-01-27 17:58       ` Linus Torvalds
2007-01-26 19:04   ` Michal Piotrowski
2007-01-26 19:08     ` Venkat Yekkirala
2007-01-26 18:18 ` 2.6.20-rc6: known regressions with patches Adrian Bunk
2007-01-29  8:45   ` Ingo Molnar
2007-01-29 12:58     ` Dave Jones
2007-01-27 17:32 ` 2.6.20-rc6: known unfixed regressions (v2) (part 1) Adrian Bunk
2007-01-27 17:42 ` 2.6.20-rc6: known unfixed regressions (v2) (part 2) Adrian Bunk
2007-01-28 13:33   ` Uwe Bugla
2007-01-29  6:26     ` Mike Galbraith
2007-01-29  6:48       ` Andrew Morton
2007-01-29  7:08         ` Mike Galbraith
2007-01-29  7:13           ` Linus Torvalds
2007-01-27 17:44 ` 2.6.20-rc6: known regressions with patches (v2) Adrian Bunk
2007-01-27 20:47 ` Linux 2.6.20-rc6 - supend lockdep warning Thomas Gleixner
2007-01-27 20:55 ` Linux 2.6.20-rc6 - sky2 resume breakage Thomas Gleixner
2007-01-29 19:31   ` Stephen Hemminger
2007-01-29 20:10     ` Thomas Gleixner
2007-01-29 21:38       ` Stephen Hemminger
2007-01-29 22:23         ` Thomas Gleixner
2007-01-29 22:23           ` Stephen Hemminger
2007-01-29 22:31             ` Thomas Gleixner
2007-01-29 22:37           ` Linus Torvalds
2007-01-29 22:40             ` Stephen Hemminger
2007-01-29 23:04               ` Linus Torvalds
2007-01-29 23:45                 ` Stephen Hemminger
2007-01-30  0:12                   ` Linus Torvalds [this message]
2007-01-30  0:16                     ` Stephen Hemminger
2007-01-30  0:25                       ` Linus Torvalds
2007-01-30  0:26                         ` Stephen Hemminger
2007-01-30  6:54                         ` Ingo Molnar
2007-01-30  7:39                           ` Jeff Garzik
2007-01-30  7:53                             ` Ingo Molnar
2007-01-30  8:02                               ` Jeff Garzik
2007-01-30  8:08                                 ` Ingo Molnar
2007-01-30  8:13                                   ` Ingo Molnar
2007-01-31 15:27                                   ` Jeff Garzik
2007-01-31 17:38                                     ` Ingo Molnar
2007-01-31 17:52                                       ` Jeff Garzik
2007-01-31 20:13                                         ` Thomas Gleixner
2007-01-30  8:03                             ` Ingo Molnar
2007-02-01  6:15                             ` [LIBATA BUG] sr.c: TEST_UNIT_READY error Conke Hu
2007-02-07 12:40                               ` Jeff Garzik
2007-02-02  5:48                                 ` Conke Hu
2007-02-13  7:30                                   ` Conke Hu
2007-02-15  6:30                                     ` Conke Hu
2007-01-30  8:57                     ` Linux 2.6.20-rc6 - sky2 resume breakage Len Brown
2007-01-30 16:01                       ` Rafael J. Wysocki
2007-01-30 21:28                         ` Nigel Cunningham
2007-02-01 12:49                       ` Pavel Machek
2007-01-29 23:42             ` [PATCH] sky2: fix MSI related " Thomas Gleixner
2007-01-29 22:38           ` Linux 2.6.20-rc6 - sky2 " Frédéric Riss
2007-01-29 22:45             ` Thomas Gleixner
2007-01-29 22:50               ` Frédéric Riss
2007-01-29 22:57                 ` Thomas Gleixner
2007-01-29 23:26                   ` Frédéric Riss
2007-01-29 23:37                     ` Thomas Gleixner
2007-01-29 23:50                       ` [PATCH] block MSI on Sony Stephen Hemminger
2007-01-30  0:22                         ` Thomas Gleixner
2007-01-30  0:21                           ` Stephen Hemminger
2007-01-30  0:31                             ` Thomas Gleixner
2007-01-30  0:31                               ` Stephen Hemminger
2007-01-30  0:26                           ` Thomas Gleixner
2007-01-27 22:11 ` Linux 2.6.20-rc6 - suspend / resume ata_piix Thomas Gleixner
2007-01-27 22:40   ` Jeff Garzik
2007-01-27 22:44     ` Thomas Gleixner
2007-01-28 22:05       ` Thomas Gleixner

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