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From: Vojtech Pavlik <vojtech@suse.cz>
To: Pavel Machek <pavel@suse.cz>
Cc: Jason Lunz <lunz@falooley.org>,
	linux-ide@vger.kernel.org, linux-pm@lists.osdl.org
Subject: Re: [linux-pm] amd74xx crashes when resuming from STR
Date: Tue, 18 Jul 2006 15:39:20 +0200	[thread overview]
Message-ID: <20060718133920.GA4106@suse.cz> (raw)
In-Reply-To: <19700101003716.GA3558@ucw.cz>

On Thu, Jan 01, 1970 at 12:37:16AM +0000, Pavel Machek wrote:
> Hi!
> 
> > On my laptop, suspend-to-ram works for all drivers with the exception of
> > the amd74xx ide driver. And even then, it only has problems when
> > accessing a UDMA hard drive. I know this because the system can use STR
> > reliably when booted from a livecd, so long as nothing accesses the hard
> > disk.
> 
> I guess you need to ask on linux-ide mainling lists?
> 
> Ahha, you are cross-posting there, already.
> 
> What happens if you rmmod amd74xx and insmod it after resume?
 
amd74xx relies on the BIOS to have set up a significant part of the
controller correctly. This likely isn't true after S3 resume. It might
be necessary to save & restore the whole PCI config space of the device.

-- 
Vojtech Pavlik
Director SuSE Labs

  parent reply	other threads:[~2006-07-18 13:39 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-07-15 21:05 amd74xx crashes when resuming from STR Jason Lunz
2006-07-18  4:34 ` [linux-pm] " Pavel Machek
2006-07-18  4:35 ` Pavel Machek
     [not found] ` <19700101003716.GA3558@ucw.cz>
2006-07-18 13:39   ` Vojtech Pavlik [this message]
2006-07-24  0:53     ` [patch, rft] amd74xx: implement suspend-to-ram Jason Lunz
2006-07-25 23:09       ` Pavel Machek
2006-07-26  0:27         ` [linux-pm] " David Brownell
2006-07-26  2:45           ` [patch v2] amd74xx: fix hang on resume from ram Jason Lunz
2006-07-26  3:14           ` [patch v3] " Jason Lunz
2006-07-27 20:35             ` David Brownell
2006-07-26  9:02           ` [linux-pm] [patch, rft] amd74xx: implement suspend-to-ram Pavel Machek
2006-07-27  0:29             ` David Brownell
2006-07-27 20:49               ` Pavel Machek
2006-07-27 22:43                 ` Jason Lunz
2006-07-27 22:51                   ` Pavel Machek
2006-07-28  9:15                     ` Rafael J. Wysocki
2006-07-28 13:23                       ` Vojtech Pavlik

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