From: Linus Torvalds <torvalds@linux-foundation.org>
To: Ingo Molnar <mingo@elte.hu>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>,
Jeff Chua <jeff.chua.linux@gmail.com>,
Jesse Barnes <jesse.barnes@intel.com>,
Romano Giannetti <romano@dea.icai.upcomillas.es>,
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
Subject: Re: [Suspend-devel] 2.6.25-rc2 System no longer powers off aftersuspend-to-disk. Screen becomes green.
Date: Fri, 22 Feb 2008 08:50:04 -0800 (PST) [thread overview]
Message-ID: <alpine.LFD.1.00.0802220843560.19896@woody.linux-foundation.org> (raw)
In-Reply-To: <20080222130615.GA29123@elte.hu>
On Fri, 22 Feb 2008, Ingo Molnar wrote:
>
> btw., why isnt there an in-kernel whitelist, with perhaps a dynamic,
> convenient /debug/s2r/whitelist append-API for distros (and testers) to
> add more entries to the whitelist/blacklist? (for cases where the kernel
> whitelist has not caught up yet) Which would eventually converge to
> Utopia: s2ram that just works out of box.
The big problem with that is
- the people who know about the devices are usually not kernel people
- the workarounds that the whitelist requires is quite often not a kernel
workaround.
In other words, the most common workarounds for the s2ram whitelist is
usually to do things like running vbetool in user-level to do VGA register
save/restore (VBE_POST and VGE_SAVE). Sure, the kernel could do that with
usermodehelper etc, but s2ram also has those things as command line flags
etc, so...
Linus
next prev parent reply other threads:[~2008-02-22 16:51 UTC|newest]
Thread overview: 111+ 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. " Jeff Chua
2008-02-20 17:19 ` Jeff Chua
2008-02-20 17:28 ` Linus Torvalds
2008-02-20 17:37 ` Jeff Chua
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 21:02 ` 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 0:46 ` Jesse Barnes
2008-02-22 0:52 ` Jeff Chua
2008-02-22 1:02 ` Jesse Barnes
2008-02-22 1:27 ` Jeff Chua
2008-02-22 1:28 ` 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 [this message]
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 1:01 ` Jeff Chua
2008-02-22 1:06 ` Rafael J. Wysocki
2008-02-22 0:46 ` Linus Torvalds
2008-02-22 0:54 ` 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
2008-02-23 1:00 ` Linus Torvalds
2008-02-23 1:55 ` Rafael J. Wysocki
2008-02-23 2:07 ` Linus Torvalds
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 15:21 ` Jeff Chua
2008-02-24 4:16 ` Mirco Tischler
2008-02-24 11:11 ` Rafael J. Wysocki
2008-02-24 11:25 ` 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
2008-02-20 17:54 ` 2.6.25-rc2 System no longer powers off after suspend-to-disk. Screen becomes green Jeff Chua
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
2008-02-20 18:57 ` Jesse Barnes
2008-02-20 17:50 ` Jesse Barnes
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 20:09 ` Jesse Barnes
2008-02-20 20:14 ` Rafael J. Wysocki
2008-02-20 20:29 ` Linus Torvalds
2008-02-20 20:33 ` [Suspend-devel] " Pablo Sanchez
2008-02-20 20:41 ` Jesse Barnes
2008-02-20 21:13 ` Linus Torvalds
2008-02-20 21:44 ` Jesse Barnes
2008-02-20 22:22 ` Linus Torvalds
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 23:13 ` Linus Torvalds
2008-02-20 23:35 ` Rafael J. Wysocki
2008-02-21 0:00 ` Linus Torvalds
2008-02-21 0:13 ` Rafael J. Wysocki
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
2008-02-21 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 ` [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 1:21 ` Jesse Barnes
2008-02-21 1:49 ` 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 20:30 ` Rafael J. Wysocki
2008-02-21 22:11 ` Rafael J. Wysocki
2008-02-21 23:45 ` Jesse Barnes
2008-02-22 0:28 ` Rafael J. Wysocki
2008-02-22 0:48 ` Jeff Chua
2008-02-20 22:32 ` Jesse Barnes
2008-02-20 23:03 ` Jesse Barnes
2008-02-20 23:34 ` Jesse Barnes
2008-02-20 23:49 ` Rafael J. Wysocki
2008-02-21 0:17 ` Jesse Barnes
2008-02-21 1:07 ` [Suspend-devel] " Rafael J. Wysocki
2008-02-20 18:47 ` Mark Lord
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