Bug 703742

Summary: [Arrandale] Cannot set secondary screen as the only screen
Product: [Fedora] Fedora Reporter: Saggi Mizrahi <smizrahi>
Component: xorg-x11-drv-intelAssignee: Adam Jackson <ajax>
Status: CLOSED WORKSFORME QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: medium Docs Contact:
Priority: unspecified    
Version: 15CC: ajax, bazulay, cpanceac, mcepl, xgl-maint
Target Milestone: ---Keywords: Triaged
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: [cat:modesetting]
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2012-08-07 14:41:57 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:
Attachments:
Description Flags
the file previously generated by "Displays" app from gnome 3
none
dmesg since boot with kernel arg
none
Xorg log none

Description Saggi Mizrahi 2011-05-11 08:48:11 UTC
Description of problem:
When I try to configure x11 to only use the screen connected to the vga port and not the built in screen the resolution\refresh rate gets messed up. Using both of them in a dual screen set up works flawlessly.

I have a lenovo T410 laptop and a Samsung SyncMaster 943bm screen.

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


How reproducible:
99% (it worked once)

Steps to Reproduce:
1.start f15
2.open gnome's monitor configuration dialog
3.configure the secondary screen as the only screen
  
Actual results:
Screen says that mode is not supported

Expected results:
Seeing the crisp blue default desktop image of f15

Additional info:

May the force be with you

Comment 1 cornel panceac 2011-05-12 06:53:30 UTC
Thise indeed worked once upon a time, during f15 development. Now, if i disable the laptop's display, both screens turn off and keyboard freezes. If i manage to press keep this configuration before they turn black, rebooting no longer helps. Otherwise, rebooting returns to the default configuration, both displays are active. 

# lspci -nn | grep -i vga
01:00.0 VGA compatible controller [0300]: nVidia Corporation G86M [Quadro NVS 135M] [10de:042b] (rev a1

if, in .config/monitors.xml, i change 

<clone>no</clone> to

<clone>yes</clone>

everything works as expected, i have output only on the external display. i will attach the complete file, "fixed" version :)

Comment 2 cornel panceac 2011-05-12 06:56:29 UTC
Created attachment 498442 [details]
the file previously generated by "Displays" app from gnome 3

later i replaced 'no' with 'yes' in the clone line.

Comment 3 Matěj Cepl 2011-05-12 11:46:18 UTC
Thanks for the bug report.  We have reviewed the information you have provided above, and there is some additional information we require that will be helpful in our diagnosis of this issue.

Please, reporter, add drm.debug=0x04 to the kernel command line, restart computer, and attach

* your X server config file (/etc/X11/xorg.conf, if available),
* X server log file (/var/log/Xorg.*.log)
* output of the dmesg command, and
* system log (/var/log/messages)

to the bug report as individual uncompressed file attachments using the bugzilla file attachment link above.

We will review this issue again once you've had a chance to attach this information.

Thanks in advance.

Comment 4 Saggi Mizrahi 2011-05-15 15:04:22 UTC
Created attachment 499023 [details]
dmesg since boot with kernel arg

Comment 5 Saggi Mizrahi 2011-05-15 15:06:32 UTC
Created attachment 499024 [details]
Xorg log

Comment 6 Saggi Mizrahi 2011-05-15 15:08:33 UTC
I have no /etc/X11/xorg.conf

I also added log markers in dmesg look for "smizrahi" to mark what I did. I did not mark after the screen got unresponsive because I had no screen. I switched again and then logged. I hope this helps.

Comment 7 Fedora End Of Life 2012-08-07 14:42:00 UTC
This message is a notice that Fedora 15 is now at end of life. Fedora
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