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From: David Brownell <david-b@pacbell.net>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Nigel Cunningham <nigel@suspend2.net>,
	Andrew Morton <akpm@osdl.org>,
	linux-pm@lists.osdl.org, linux-usb-devel@lists.sourceforge.net
Subject: Re: [patch/rft 2.6.17-rc2] swsusp resume must not device_suspend()
Date: Wed, 26 Apr 2006 14:31:43 -0700	[thread overview]
Message-ID: <200604261431.44137.david-b@pacbell.net> (raw)
In-Reply-To: <200604261326.15853.rjw@sisk.pl>

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On Wednesday 26 April 2006 4:26 am, Rafael J. Wysocki wrote:
> On Wednesday 26 April 2006 00:56, David Brownell wrote:

> > But it's not the root cause of the problem either.  The same problem appears if
> > the device holding the resume partition gets forced into this "broken suspend"
> > state.
> 
> Well, IMO the state may or may not be broken depending on the device,
> so we should not assume it will always be broken.

Not so.  See my previous emails.  The "broken suspend" state is broken
by definition.  Maybe you're referring to a different issue ... whether
or not its driver would notice that bug.


> > Now, if you have specific examples of things that shouldn't be reset, that
> > could be interesting.
> 
> The resume device and friends (ie. controller, bus, etc.).

Bad answer.  If its driver would notice, then it must be reset.
And if the driver wouldn't notice, resetting won't matter.

There's still no example of a device that should not be reset
(a second time).

- Dave

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  parent reply	other threads:[~2006-04-26 21:31 UTC|newest]

Thread overview: 80+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-04-24 21:29 [patch/rft 2.6.17-rc2] swsusp resume must not device_suspend() David Brownell
2006-04-24 21:47 ` [linux-pm] " Rafael J. Wysocki
2006-04-24 22:47   ` David Brownell
2006-04-25 10:34     ` Nigel Cunningham
2006-04-25 14:41       ` Alan Stern
2006-04-25 17:37         ` [linux-pm] " David Brownell
2006-04-25 20:45           ` Alan Stern
2006-04-26  0:30             ` David Brownell
2006-04-27  8:20               ` Pavel Machek
2006-04-27  8:16             ` Pavel Machek
2006-04-27  8:08         ` Pavel Machek
2006-04-27 14:34           ` [linux-pm] " Alan Stern
2006-04-27 16:55             ` Patrick Mochel
2006-04-27 17:41               ` Alan Stern
2006-04-27 19:21               ` David Brownell
2006-04-27 20:35                 ` Nigel Cunningham
2006-04-27 20:58                   ` Pavel Machek
2006-04-25 16:56       ` David Brownell
2006-04-24 22:31 ` [linux-pm] " Nigel Cunningham
2006-04-25  8:32   ` Rafael J. Wysocki
2006-04-25 16:11     ` David Brownell
2006-04-25 18:56       ` Rafael J. Wysocki
2006-04-25 20:28         ` Nigel Cunningham
2006-04-25 20:53           ` [linux-pm] " Rafael J. Wysocki
2006-04-25 21:03             ` Nigel Cunningham
2006-04-25 22:06               ` Rafael J. Wysocki
2006-04-25 22:18                 ` Nigel Cunningham
2006-04-25 22:34                   ` Rafael J. Wysocki
2006-04-25 23:55                   ` David Brownell
2006-04-26  1:16                     ` Nigel Cunningham
2006-04-26  3:32                       ` [linux-pm] " David Brownell
2006-04-26  3:44                         ` Nigel Cunningham
2006-04-26 14:24           ` Alan Stern
2006-04-26 19:47             ` [linux-pm] " Nigel Cunningham
2006-04-25 21:04         ` David Brownell
2006-04-25 21:41           ` Pavel Machek
2006-04-25 23:13             ` [linux-pm] " David Brownell
2006-04-26  9:07               ` Pavel Machek
2006-04-25 21:55           ` Rafael J. Wysocki
2006-04-25 22:56             ` David Brownell
2006-04-26 11:26               ` Rafael J. Wysocki
2006-04-26 14:38                 ` [linux-pm] " Alan Stern
2006-04-26 15:26                   ` Rafael J. Wysocki
2006-04-26 15:38                     ` Alan Stern
2006-04-26 16:09                       ` Rafael J. Wysocki
2006-04-26 19:06                         ` Alan Stern
2006-04-26 20:37                           ` Rafael J. Wysocki
2006-04-26 21:31                 ` David Brownell [this message]
2006-04-26 22:24                   ` Rafael J. Wysocki
2006-04-27 19:44                     ` David Brownell
2006-04-25 15:56   ` David Brownell
2006-04-27 10:54     ` Pavel Machek
2006-04-25 13:50 ` [linux-usb-devel] " Alan Stern
2006-04-25 15:49   ` David Brownell
2006-04-27  1:22 ` Patrick Mochel
2006-04-27 19:41   ` [linux-pm] " David Brownell
2006-05-02 16:12     ` Patrick Mochel
2006-05-26  3:06       ` David Brownell
2006-05-26 19:50         ` Rafael J. Wysocki
2006-05-26 23:16         ` Pavel Machek
2006-05-27  0:19           ` [linux-usb-devel] " David Brownell
2006-05-27 16:38             ` Pavel Machek
2006-06-05 15:31               ` David Brownell
2006-06-05 16:36               ` [patch/rft 2.6.17-rc5-git 0/6] PM_EVENT_PRETHAW David Brownell
2006-06-05 16:36               ` [patch/rft 2.6.17-rc5-git 1/6] fix broken/dubious driver suspend() methods David Brownell
     [not found]                 ` <20060530191140.GA4017@ucw.cz>
2006-06-07  0:53                   ` David Brownell
2006-06-05 16:37               ` [patch/rft 2.6.17-rc5-git 2/6] add PM_EVENT_PRETHAW David Brownell
2006-05-30 19:17                 ` Pavel Machek
2006-06-07  1:02                   ` David Brownell
2006-06-05 16:38               ` [patch/rft 2.6.17-rc5-git 3/6] PM_EVENT_PRETHAW, handle in IDE and PCI David Brownell
2006-05-30 19:21                 ` Pavel Machek
2006-06-07  0:51                   ` David Brownell
2006-06-05 16:38               ` [patch/rft 2.6.17-rc5-git 4/6] PM_EVENT_PRETHAW for various graphics cards David Brownell
2006-05-30 19:30                 ` Pavel Machek
2006-06-07  1:24                   ` David Brownell
2006-06-07 18:57                     ` PM docs and API? bsmith
2006-06-07 22:58                       ` David Brownell
2006-06-05 16:38               ` [patch/rft 2.6.17-rc5-git 5/6] PM_EVENT_PRETHAW, handle for USB David Brownell
2006-06-05 16:38               ` [patch/rft 2.6.17-rc5-git 6/6] PM_EVENT_PRETHAW, issue from PM core David Brownell
2006-05-30 19:28                 ` Pavel Machek

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