Bug 979905

Summary: no signal found, monitor is going to sleep
Product: [Fedora] Fedora Reporter: Marcus Moeller <marcus.moeller>
Component: xorg-x11-drv-intelAssignee: Adam Jackson <ajax>
Status: CLOSED EOL QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 19CC: ajax, xgl-maint
Target Milestone: ---   
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2015-02-17 15:45:54 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Embargoed:
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Description Flags
Xorg log
none
su -c 'dd if=/dev/mem of=/tmp/rom bs=64k skip=12 count=1'
none
/sys/kernel/debug/dri/*/i915_opregion
none
su -c 'intel_reg_snapshot > /tmp/snapshot' none

Description Marcus Moeller 2013-07-01 06:40:40 UTC 
We have a setup with a Fujitsu Esprimo E9900 with:

00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 02) (prog-if 00 [VGA controller])
	Subsystem: Fujitsu Technology Solutions Device 1168
	Flags: bus master, fast devsel, latency 0, IRQ 42
	Memory at f0000000 (64-bit, non-prefetchable) [size=4M]
	Memory at d0000000 (64-bit, prefetchable) [size=256M]
	I/O ports at 1890 [size=8]
	Expansion ROM at <unassigned> [disabled]
	Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
	Capabilities: [d0] Power Management version 2
	Capabilities: [a4] PCI Advanced Features
	Kernel driver in use: i915

The monitor that is connected is a Fujitsu B24W-6 LED. Connection Type is display-port.

When the machine starts up, plymouth is displayed correctly but when X should start, the monitor is going to sleep with a message 'no signal found'.

When I connect the monitor via DVI, it works fine. I have also tried to change the display-port cable, but it behaves the same.

A different monitor works fine when it's connected to the display-port, so it might be a combination of the graphics card, the output and the monitor type.

I find it really hard to debug, so I have attached the information as described here:

https://fedoraproject.org/wiki/How_to_debug_Xorg_problems

Please let me know if there are other things that I can do in oder to debug this issue.
Comment 1 Marcus Moeller 2013-07-01 06:41:34 UTC 
Created attachment 767252 [details]
Xorg log
Comment 2 Marcus Moeller 2013-07-01 06:41:57 UTC 
Created attachment 767253 [details]
su -c 'dd if=/dev/mem of=/tmp/rom bs=64k skip=12 count=1'
Comment 3 Marcus Moeller 2013-07-01 06:42:26 UTC 
Created attachment 767254 [details]
/sys/kernel/debug/dri/*/i915_opregion
Comment 4 Marcus Moeller 2013-07-01 06:42:55 UTC 
Created attachment 767255 [details]
su -c 'intel_reg_snapshot > /tmp/snapshot'
Comment 5 Fedora End Of Life 2015-01-09 18:35:49 UTC 
This message is a notice that Fedora 19 is now at end of life. Fedora 
has stopped maintaining and issuing updates for Fedora 19. It is 
Fedora's policy to close all bug reports from releases that are no 
longer maintained. Approximately 4 (four) weeks from now this bug will
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Comment 6 Fedora End Of Life 2015-02-17 15:45:54 UTC 
Fedora 19 changed to end-of-life (EOL) status on 2015-01-06. Fedora 19 is
no longer maintained, which means that it will not receive any further
security or bug fix updates. As a result we are closing this bug.

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