Bug 207308

Summary:	Macbook LCD backlight does not turn on after suspend from resume.
Product:	[Fedora] Fedora	Reporter:	Wade Mealing <wmealing>
Component:	kernel	Assignee:	Kernel Maintainer List <kernel-maint>
Status:	CLOSED RAWHIDE	QA Contact:	Brian Brock <bbrock>
Severity:	medium	Docs Contact:
Priority:	medium
Version:	rawhide	CC:	ncunning, pjones, wtogami
Target Milestone:	---
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2007-02-20 01:28:05 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Wade Mealing 2006-09-20 16:01:52 UTC

Description of problem:

After suspending with the gnome applet or pm-suspend application, the system
will return to a "working" mode by pressing the power button, however the system
does not enable/turn on the backlight after the resume

/etc/pm/config has the option for:

HIBERNATE_RESUME_POST_VIDEO=yes
or
HIBERNATE_RESUME_POST_VIDEO=no

Both have the same end result.

Version-Release number of selected component (if applicable):

kernel-2.6.17-1.2647.fc6
pm-utils-0.19-3

How reproducible:

Every time.
Steps to Reproduce:
1. Left Click on the gnome panel applet
2. Choose Suspend, watch machine enter suspend mode
3. press power button, watch machine resume with x11 applications running but
with no backlight on.
  
Actual results:

Backlight is not on, but the system is still functional.

Expected results:

Backlight to turn on, and the people rejoice.


Additional info:

Thanks guys, rock on.

Comment 1 Wade Mealing 2006-09-20 16:03:46 UTC

This was tested from both X11 and runlevel 3.

Comment 2 Wade Mealing 2006-10-05 05:49:38 UTC

After testing it now, it gets worse.  Before I could see something on the screen
ever so dimly.  Now I can not do that.

Would be nice if this didn't flick back from working, to non working, to even
worse between kernel updates.

Comment 3 Phil Knirsch 2006-10-10 03:49:03 UTC

That sounds clearly like either a X11 driver problem but more likely like a
kernel problem.

Reassigning to kernel.

Read ya, Phil

Comment 4 Wade Mealing 2006-10-25 02:22:36 UTC

Same problem exists in FC6 release, does not return from resume.

Comment 5 Wade Mealing 2007-02-20 01:25:19 UTC

Installed FC7Test1, now resumes from suspend !.

Clost this bug, WORKSFORME.

Comment 6 Wade Mealing 2007-02-20 01:25:42 UTC

Installed FC7Test1, now resumes from suspend !.

Close this bug, WORKSFORME.