From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Garrett 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 Message-ID: <20080220192516.GA24771@srcf.ucam.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: suspend-devel-bounces@lists.sourceforge.net Errors-To: suspend-devel-bounces@lists.sourceforge.net To: Jeff Chua Cc: suspend-devel List , Dave Airlie , Greg KH , lkml , "Rafael J. Wysocki" , linux-acpi@vger.kernel.org, Jesse Barnes , Linus Torvalds List-Id: linux-acpi@vger.kernel.org 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 ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/