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Message-ID: <20080220192516.GA24771@srcf.ucam.org> Date: Wed, 20 Feb 2008 19:25:16 +0000 From: Matthew Garrett <mjg59@...f.ucam.org> To: Jeff Chua <jeff.chua.linux@...il.com> Cc: Linus Torvalds <torvalds@...ux-foundation.org>, Jesse Barnes <jesse.barnes@...el.com>, lkml <linux-kernel@...r.kernel.org>, Dave Airlie <airlied@...ux.ie>, "Rafael J. Wysocki" <rjw@...k.pl>, linux-acpi@...r.kernel.org, suspend-devel List <suspend-devel@...ts.sourceforge.net>, Greg KH <gregkh@...e.de> Subject: Re: 2.6.25-rc2 System no longer powers off after suspend-to-disk. Screen becomes green. 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@...f.ucam.org -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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