Re: 2.6.25-rc2 System no longer powers off after suspend-to-disk. Screen becomes green.

Matthew Garrett
2008-02-20T19:25:50Z

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