From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Jeff Chua <jeff.chua.linux@gmail.com>
Cc: suspend-devel List <suspend-devel@lists.sourceforge.net>,
Dave Airlie <airlied@linux.ie>, Greg KH <gregkh@suse.de>,
lkml <linux-kernel@vger.kernel.org>,
"Rafael J. Wysocki" <rjw@sisk.pl>,
linux-acpi@vger.kernel.org, Jesse Barnes <jesse.barnes@intel.com>,
Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: 2.6.25-rc2 System no longer powers off after suspend-to-disk. Screen becomes green.
Date: Wed, 20 Feb 2008 19:25:16 +0000 [thread overview]
Message-ID: <20080220192516.GA24771@srcf.ucam.org> (raw)
In-Reply-To: <b6a2187b0802201049r25959293r1e6b83ca67f65f04@mail.gmail.com>
On Thu, Feb 21, 2008 at 02:49:39AM +0800, Jeff Chua wrote:
> Here's an interesting discovery. After I found that "echo reboot >
> /sys/power/disk" does reboot, I tried "echo shutdown >
> /sys/power/disk", it does shutdown properly.
>
> With "platform" it refuses to shutdown. Both reboot and shutdown still
> end up with Mr. Green at resume.
That kind of suggests that the ACPI platform code is hitting the
hardware directly - we've seen similar issues with PATA controllers. The
right thing to do here is almost certainly just to avoid explicitly
powering down hardware on hibernation.
--
Matthew Garrett | mjg59@srcf.ucam.org
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WARNING: multiple messages have this Message-ID (diff)
From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Jeff Chua <jeff.chua.linux@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Jesse Barnes <jesse.barnes@intel.com>,
lkml <linux-kernel@vger.kernel.org>,
Dave Airlie <airlied@linux.ie>, "Rafael J. Wysocki" <rjw@sisk.pl>,
linux-acpi@vger.kernel.org,
suspend-devel List <suspend-devel@lists.sourceforge.net>,
Greg KH <gregkh@suse.de>
Subject: Re: 2.6.25-rc2 System no longer powers off after suspend-to-disk. Screen becomes green.
Date: Wed, 20 Feb 2008 19:25:16 +0000 [thread overview]
Message-ID: <20080220192516.GA24771@srcf.ucam.org> (raw)
In-Reply-To: <b6a2187b0802201049r25959293r1e6b83ca67f65f04@mail.gmail.com>
On Thu, Feb 21, 2008 at 02:49:39AM +0800, Jeff Chua wrote:
> Here's an interesting discovery. After I found that "echo reboot >
> /sys/power/disk" does reboot, I tried "echo shutdown >
> /sys/power/disk", it does shutdown properly.
>
> With "platform" it refuses to shutdown. Both reboot and shutdown still
> end up with Mr. Green at resume.
That kind of suggests that the ACPI platform code is hitting the
hardware directly - we've seen similar issues with PATA controllers. The
right thing to do here is almost certainly just to avoid explicitly
powering down hardware on hibernation.
--
Matthew Garrett | mjg59@srcf.ucam.org
next prev parent reply other threads:[~2008-02-20 19:25 UTC|newest]
Thread overview: 186+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-20 17:17 2.6.25-rc2 System no longer powers off after suspend-to-disk. Screen becomes green Jeff Chua
2008-02-20 17:19 ` Jeff Chua
2008-02-20 17:19 ` Jeff Chua
2008-02-20 17:28 ` Linus Torvalds
2008-02-20 17:28 ` Linus Torvalds
2008-02-20 17:37 ` Jeff Chua
2008-02-20 17:52 ` Linus Torvalds
2008-02-20 17:52 ` Linus Torvalds
2008-02-20 18:02 ` Jeff Chua
2008-02-21 19:43 ` [Suspend-devel] 2.6.25-rc2 System no longer powers off aftersuspend-to-disk. " Romano Giannetti
2008-02-21 19:43 ` Romano Giannetti
2008-02-21 21:02 ` Jesse Barnes
2008-02-21 21:02 ` [Suspend-devel] " Jesse Barnes
2008-02-22 0:20 ` Jeff Chua
2008-02-22 0:23 ` Jesse Barnes
2008-02-22 0:42 ` Jeff Chua
2008-02-22 0:42 ` [Suspend-devel] " Jeff Chua
2008-02-22 0:46 ` Jesse Barnes
2008-02-22 0:52 ` Jeff Chua
2008-02-22 0:52 ` [Suspend-devel] " Jeff Chua
2008-02-22 1:02 ` Jesse Barnes
2008-02-22 1:02 ` [Suspend-devel] " Jesse Barnes
2008-02-22 1:27 ` Jeff Chua
2008-02-22 1:27 ` [Suspend-devel] " Jeff Chua
2008-02-22 1:28 ` Linus Torvalds
2008-02-22 1:28 ` [Suspend-devel] " Linus Torvalds
2008-02-22 1:35 ` Jesse Barnes
2008-02-22 10:37 ` Matthew Garrett
2008-02-22 13:06 ` Ingo Molnar
2008-02-22 16:10 ` Rafael J. Wysocki
2008-02-22 16:50 ` Linus Torvalds
2008-02-22 18:01 ` Matthew Garrett
2008-02-23 11:17 ` Ingo Molnar
2008-02-22 0:31 ` Rafael J. Wysocki
2008-02-22 0:42 ` Jeff Chua
2008-02-22 0:42 ` [Suspend-devel] " Jeff Chua
2008-02-22 1:01 ` Jeff Chua
2008-02-22 1:01 ` [Suspend-devel] " Jeff Chua
2008-02-22 1:06 ` Rafael J. Wysocki
2008-02-22 1:06 ` [Suspend-devel] " Rafael J. Wysocki
2008-02-22 0:46 ` Linus Torvalds
2008-02-22 0:46 ` [Suspend-devel] " Linus Torvalds
2008-02-22 0:54 ` Rafael J. Wysocki
2008-02-22 0:54 ` [Suspend-devel] " Rafael J. Wysocki
2008-02-22 1:13 ` Jesse Barnes
2008-02-22 1:44 ` Jesse Barnes
2008-02-22 23:31 ` i915 hibernation patch (was: Re: [Suspend-devel] 2.6.25-rc2 System no longer powers off aftersuspend-to-disk. Screen becomes green.) Rafael J. Wysocki
2008-02-22 23:31 ` Rafael J. Wysocki
2008-02-23 1:00 ` Linus Torvalds
2008-02-23 1:55 ` Rafael J. Wysocki
2008-02-23 2:07 ` Linus Torvalds
2008-02-23 2:07 ` Linus Torvalds
2008-02-23 4:36 ` Jeff Chua
2008-02-23 4:36 ` Jeff Chua
2008-02-23 18:13 ` [PATCH] PM: Introduce PM_EVENT_HIBERNATE (was: Re: i915 hibernation patch (was: Re: 2.6.25-rc2 System no longer ...)) Rafael J. Wysocki
2008-02-23 18:43 ` Linus Torvalds
2008-02-24 8:29 ` Pavel Machek
2008-02-24 8:29 ` Pavel Machek
2008-02-24 15:21 ` Jeff Chua
2008-02-24 15:21 ` Jeff Chua
2008-02-23 18:43 ` Linus Torvalds
2008-02-24 4:16 ` Mirco Tischler
2008-02-24 11:11 ` Rafael J. Wysocki
2008-02-24 11:11 ` Rafael J. Wysocki
2008-02-24 11:25 ` Rafael J. Wysocki
2008-02-24 11:25 ` Rafael J. Wysocki
2008-02-24 11:25 ` Rafael J. Wysocki
2008-02-24 11:11 ` Rafael J. Wysocki
2008-02-24 4:16 ` Mirco Tischler
2008-02-23 18:13 ` Rafael J. Wysocki
2008-02-23 11:17 ` i915 hibernation patch (was: Re: [Suspend-devel] 2.6.25-rc2 System no longer powers off aftersuspend-to-disk. Screen becomes green.) Pavel Machek
2008-02-23 11:17 ` Pavel Machek
2008-02-23 1:55 ` Rafael J. Wysocki
2008-02-23 1:00 ` Linus Torvalds
2008-02-20 17:54 ` 2.6.25-rc2 System no longer powers off after suspend-to-disk. Screen becomes green Jeff Chua
2008-02-20 17:54 ` Jeff Chua
2008-02-20 18:37 ` Linus Torvalds
2008-02-20 18:37 ` Linus Torvalds
2008-02-18 6:31 ` [Suspend-devel] " Pavel Machek
2008-02-20 18:49 ` Jeff Chua
2008-02-20 19:25 ` Matthew Garrett [this message]
2008-02-20 19:25 ` Matthew Garrett
2008-02-20 18:57 ` Jesse Barnes
2008-02-20 17:50 ` Jesse Barnes
2008-02-20 17:50 ` Jesse Barnes
2008-02-20 18:29 ` Jeff Chua
2008-02-20 18:29 ` Jeff Chua
2008-02-20 18:53 ` Jesse Barnes
2008-02-20 19:10 ` Jeff Chua
2008-02-20 19:18 ` Jesse Barnes
2008-02-20 19:18 ` Jesse Barnes
2008-02-20 20:09 ` Jesse Barnes
2008-02-20 20:09 ` Jesse Barnes
2008-02-20 20:14 ` Rafael J. Wysocki
2008-02-20 20:29 ` Linus Torvalds
2008-02-20 20:29 ` Linus Torvalds
2008-02-20 20:33 ` Pablo Sanchez
2008-02-20 20:33 ` [Suspend-devel] " Pablo Sanchez
2008-02-20 20:41 ` Jesse Barnes
2008-02-20 20:41 ` Jesse Barnes
2008-02-20 21:13 ` Linus Torvalds
2008-02-20 21:44 ` Jesse Barnes
2008-02-20 21:44 ` Jesse Barnes
2008-02-20 22:22 ` Linus Torvalds
2008-02-20 22:22 ` Linus Torvalds
2008-02-21 8:30 ` david
2008-02-21 8:30 ` david
2008-02-22 16:56 ` Mark Lord
2008-02-22 17:02 ` Rafael J. Wysocki
2008-02-22 17:32 ` Mark Lord
2008-02-22 17:44 ` Rafael J. Wysocki
2008-02-22 19:23 ` david
2008-02-22 23:16 ` Rafael J. Wysocki
2008-02-20 22:36 ` Rafael J. Wysocki
2008-02-20 22:36 ` Rafael J. Wysocki
2008-02-20 23:13 ` Linus Torvalds
2008-02-20 23:35 ` Rafael J. Wysocki
2008-02-20 23:35 ` Rafael J. Wysocki
2008-02-21 0:00 ` Linus Torvalds
2008-02-21 0:00 ` Linus Torvalds
2008-02-21 0:13 ` Rafael J. Wysocki
2008-02-21 0:13 ` Rafael J. Wysocki
2008-02-21 0:25 ` Linus Torvalds
2008-02-21 0:25 ` Linus Torvalds
2008-02-21 0:59 ` Rafael J. Wysocki
2008-02-22 16:54 ` Mark Lord
2008-02-20 22:45 ` Nigel Cunningham
2008-02-20 22:45 ` Nigel Cunningham
2008-02-21 0:13 ` Matthew Garrett
2008-02-21 0:40 ` Nigel Cunningham
2008-02-21 0:46 ` Greg KH
2008-02-21 1:17 ` Nigel Cunningham
2008-02-21 4:43 ` Greg KH
2008-02-21 6:05 ` Nigel Cunningham
2008-02-21 6:37 ` Greg KH
2008-02-21 1:10 ` Matthew Garrett
2008-02-21 1:25 ` Nigel Cunningham
2008-02-20 20:45 ` Rafael J. Wysocki
2008-02-20 20:45 ` [Suspend-devel] " Rafael J. Wysocki
2008-02-20 21:26 ` Alexey Starikovskiy
2008-02-20 21:37 ` Jesse Barnes
2008-02-21 0:35 ` Jeff Chua
2008-02-21 0:39 ` Jesse Barnes
2008-02-21 1:19 ` Jeff Chua
2008-02-21 1:19 ` Jeff Chua
2008-02-21 1:21 ` Jesse Barnes
2008-02-21 1:49 ` Jeff Chua
2008-02-21 1:49 ` Jeff Chua
2008-02-21 2:00 ` Jeff Chua
2008-02-21 2:00 ` Jeff Chua
2008-02-21 16:27 ` [Suspend-devel] " Rafael J. Wysocki
2008-02-21 18:34 ` Jesse Barnes
2008-02-21 18:34 ` Jesse Barnes
2008-02-21 20:30 ` Rafael J. Wysocki
2008-02-21 20:30 ` Rafael J. Wysocki
2008-02-21 22:11 ` Rafael J. Wysocki
2008-02-21 22:11 ` Rafael J. Wysocki
2008-02-21 23:45 ` Jesse Barnes
2008-02-21 23:45 ` Jesse Barnes
2008-02-22 0:28 ` Rafael J. Wysocki
2008-02-22 0:28 ` Rafael J. Wysocki
2008-02-22 0:48 ` Jeff Chua
2008-02-22 0:48 ` Jeff Chua
2008-02-21 16:27 ` Rafael J. Wysocki
2008-02-20 22:32 ` Jesse Barnes
2008-02-20 22:32 ` Jesse Barnes
2008-02-20 23:03 ` Jesse Barnes
2008-02-20 23:03 ` Jesse Barnes
2008-02-20 23:34 ` Jesse Barnes
2008-02-20 23:34 ` Jesse Barnes
2008-02-20 23:49 ` Rafael J. Wysocki
2008-02-20 23:49 ` Rafael J. Wysocki
2008-02-21 0:17 ` Jesse Barnes
2008-02-21 0:17 ` Jesse Barnes
2008-02-21 1:07 ` [Suspend-devel] " Rafael J. Wysocki
2008-02-20 18:47 ` Mark Lord
-- strict thread matches above, loose matches on Subject: below --
2008-02-20 0:53 Jeff Chua
2008-02-20 0:53 ` Jeff Chua
2008-02-20 1:00 ` Jesse Barnes
2008-02-20 1:00 ` Jesse Barnes
2008-02-20 1:06 ` Rafael J. Wysocki
2008-02-20 2:28 ` Linus Torvalds
2008-02-20 2:28 ` Linus Torvalds
2008-02-20 4:32 ` Jesse Barnes
2008-02-20 6:19 ` Jeff Chua
2008-02-20 6:19 ` Jeff Chua
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