Messages in this thread | | | Date | Fri, 22 Feb 2008 10:37:29 +0000 | From | Matthew Garrett <> | Subject | Re: [Suspend-devel] 2.6.25-rc2 System no longer powers off aftersuspend-to-disk. Screen becomes green. |
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On Fri, Feb 22, 2008 at 08:42:15AM +0800, Jeff Chua wrote: > On Fri, Feb 22, 2008 at 8:23 AM, Jesse Barnes <jesse.barnes@intel.com> wrote: > > > Your system (either your distro suspend/resume scripts or your platform) must > > be running the video BIOS at resume time, otherwise it would probably come > > back blank. > > But I don't think so, unless acpid is doing just that. In my > suspend/resume event script, it's just doing a simple s2ram (without > options), and exit after resume.
The s2ram command has a built-in whitelist used to set up video rePOSTing. If you want to test, reboot and do
echo mem >/sys/power/state
without i915 being loaded. If you get a console back on resume then the platform is reinitialising video for you, but otherwise it's your userspace.
-- Matthew Garrett | mjg59@srcf.ucam.org
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