Bug 448317 - D820: wrong quirks leads to failed resume
D820: wrong quirks leads to failed resume
Product: Fedora
Classification: Fedora
Component: hal-info (Show other bugs)
All Linux
low Severity low
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Assigned To: David Zeuthen
Fedora Extras Quality Assurance
Depends On:
  Show dependency treegraph
Reported: 2008-05-25 16:37 EDT by Mads Villadsen
Modified: 2013-03-05 22:55 EST (History)
5 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of:
Last Closed: 2009-07-14 11:11:00 EDT
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Regression: ---
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

Attachments (Terms of Use)
Xorg.0.log (24.12 KB, text/plain)
2008-06-08 21:22 EDT, Kevin Fenzi
no flags Details
xorg log file (21.95 KB, text/plain)
2008-06-09 11:37 EDT, Mads Villadsen
no flags Details

  None (edit)
Description Mads Villadsen 2008-05-25 16:37:28 EDT
Description of problem:
I have a Dell Latitude D820 with and intel graphics card. On resume the screen
fails to turn on.

This is because the quirks file does not contain dpms_on.

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

How reproducible:

Steps to Reproduce:
1. Suspend
2. Resume
3. Screen doesn't turn on again
Additional info:
For my machine the only display quirk needed is dpms_on. With that as the only
quirk in the D820 line suspend/resume works for me.
Comment 1 Kevin Fenzi 2008-05-25 17:10:50 EDT
Oddly my D820 with intel graphics works just fine out of the box with Fedora 9. 

What bios version do you have? 
# dmidecode | grep "BIOS Revision" 
here shows version 08. 

# lspci | grep -i disp
00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML
Express Integrated Graphics Controller (rev 03)

Comment 2 Mads Villadsen 2008-05-25 17:25:17 EDT
[root@ice ~]# dmidecode | grep "BIOS Revision"
        BIOS Revision: 0.7
[root@ice ~]# lspci | grep -i disp
00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML
Express Integrated Graphics Controller (rev 03)

So my BIOS is older than yours. I guess I will have a go at updating it then.
Comment 3 Mads Villadsen 2008-05-25 17:49:25 EDT
I upgraded my BIOS to version 0.8 and the suspend/resume problem is still there
with the standard quirks file - and the solution I mentioned also still works.

Very strange.
Comment 4 Kevin Fenzi 2008-05-25 18:49:05 EDT
Yeah, quite strange. Can't think of much else that could be causing the
difference. :(
Comment 5 Richard Hughes 2008-05-30 07:54:09 EDT
Does this fix still need applying using F9? if so, please email the hal
development mailing list and we'll review your quirk there. Thanks.
Comment 6 Kevin Fenzi 2008-05-30 15:16:00 EDT
Well, the odd thing is that it seems Mads and I have the same laptop, but it
works for me, but not for him. 

What version of hal-info do you have? 


Comment 7 Mads Villadsen 2008-06-03 14:13:51 EDT
I also have hal-info-20080508-1.fc9.noarch. So it would seems that everything
about our machines are identical.

My machine is running with a screen resolution of 1920x1200 - not that it should
matter but there has to be a difference somewhere between our two machines to
make them not behave identical. My wireless card is an ipw3945 if that makes a

Can you try using the line

<merge key="power_management.quirk.dpms_on" type="bool">true</merge>

instead of

<merge key="power_management.quirk.vbestate_restore" type="bool">true</merge>

in the D820 section of
/usr/share/hal/fdi/information/10freedesktop/20-video-quirk-pm-dell.fdi to see
if it works for you?
Comment 8 Kevin Fenzi 2008-06-08 20:48:19 EDT
sorry for the delay. 

I tried using the line in comment #7. 
It results in a resume where the screen is bright white and unusable. 
You can get the screen back by switching to a vty and back, but thats hardly
something most people would know to try. :(

I'm at a loss to explain why our two laptops would be so different here. 
I have the same screen and wireless. 
I'm going to attach my /var/log/Xorg.0.log, perhaps you can check it against yours?
Comment 9 Kevin Fenzi 2008-06-08 21:22:27 EDT
Created attachment 308666 [details]

My Xorg.0.log file.
Comment 10 Mads Villadsen 2008-06-09 11:36:35 EDT
I will attach my xorg log file as well.

The differences I can see are related to your machine being 64-bit and mine 32-bit.

Also there is a difference with the EDID vendor (not sure what that means):

< (II) intel(0): EDID vendor "SEC", prod id 12885
> (II) intel(0): EDID vendor "SHP", prod id 5053

And there is a difference with the amount of memory:

< (II) intel(0): Kernel reported 488960 total, 1 used
< (II) intel(0): I830CheckAvailableMemory: 1955836 kB available
> (II) intel(0): Kernel reported 810752 total, 1 used
> (II) intel(0): I830CheckAvailableMemory: 3243004 kB available

Comment 11 Mads Villadsen 2008-06-09 11:37:03 EDT
Created attachment 308694 [details]
xorg log file
Comment 12 Kevin Fenzi 2008-06-09 12:17:43 EDT
Wacky. I just talked to someone on IRC that has a D820, with the same EDID
vendor as you, and it works fine for them. ;( 

Can you try it with no quirks at all set? 

Comment 13 Mads Villadsen 2008-06-11 13:55:45 EDT
Running with no quirks at all (using either pm-suspend or pm-suspend
--quirk-none) works fine for me.
Comment 14 Kevin Fenzi 2008-06-13 14:23:55 EDT
Sadly, running with --quirk-none here gets me the bright white screen on resume. ;( 

Can anyone suggest any further way to tell the two types apart?

Comment 15 Kevin Fenzi 2008-06-22 13:17:09 EDT
I am going to add Ajax (X maintainer) and the dell linux folks here... 
Comment 16 Bug Zapper 2009-06-09 21:10:34 EDT
This message is a reminder that Fedora 9 is nearing its end of life.
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Comment 17 Bug Zapper 2009-07-14 11:11:00 EDT
Fedora 9 changed to end-of-life (EOL) status on 2009-07-10. Fedora 9 is 
no longer maintained, which means that it will not receive any further 
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