Bug 881772

Summary: [drm] nouveau 0000:01:00.0: DDC responded, but no EDID for DP-1 on GF119
Product: Red Hat Enterprise Linux 6 Reporter: Tomas Pelka <tpelka>
Component: xorg-x11-drv-nouveauAssignee: Ben Skeggs <bskeggs>
Status: CLOSED EOL QA Contact: Desktop QE <desktop-qa-list>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 6.4CC: lyude
Target Milestone: rc   
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
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Clone Of: Environment:
Last Closed: 2015-11-12 15:53:12 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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none
Xorg.0.log none

Description Tomas Pelka 2012-11-29 14:45:40 UTC 
Created attachment 654324 [details]
messages

Description of problem:
When DP monitor attached to T520 with nVidia Quadro NVS 4200M (GF119) [10de:1057] monitor stays black and system freeze when trying to setup multihead. xrandr says second monitor is connected.

I can see in messages:
Nov 29 13:16:18 localhost kernel: [drm] nouveau 0000:01:00.0: DDC responded, but no EDID for DP-1
Nov 29 13:16:18 localhost kernel: [drm] nouveau 0000:01:00.0: INIT_AUXCH: rd auxch fail -6
Nov 29 13:16:18 localhost kernel: [drm:output_poll_execute] *ERROR* delayed enqueue failed -125

Version-Release number of selected component (if applicable):
kernel-2.6.32-342.el6
xorg-x11-drv-nouveau-1.0.1-3.el6

How reproducible:
100%

Steps to Reproduce:
1. connect second (DP) monitor
2.
3.
  
Actual results:
in description, logs attached

Expected results:


Additional info:
01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GF119 [Quadro NVS 4200M] [10de:1057] (rev a1) (prog-if 00 [VGA controller])
	Subsystem: Lenovo Device [17aa:21cf]
	Flags: bus master, fast devsel, latency 0, IRQ 16
	Memory at f2000000 (32-bit, non-prefetchable) [size=16M]
	Memory at e0000000 (64-bit, prefetchable) [size=256M]
	Memory at f0000000 (64-bit, prefetchable) [size=32M]
	I/O ports at 4000 [size=128]
	Expansion ROM at f3080000 [disabled] [size=512K]
	Capabilities: [60] Power Management version 3
	Capabilities: [68] MSI: Enable- Count=1/1 Maskable- 64bit+
	Capabilities: [78] Express Endpoint, MSI 00
	Capabilities: [b4] Vendor Specific Information: Len=14 <?>
	Capabilities: [100] Virtual Channel
	Capabilities: [128] Power Budgeting <?>
	Capabilities: [600] Vendor Specific Information: ID=0001 Rev=1 Len=024 <?>
	Kernel driver in use: nouveau
	Kernel modules: nouveau, nvidiafb
Comment 1 Tomas Pelka 2012-11-29 14:46:22 UTC 
Created attachment 654325 [details]
Xorg.0.log
Comment 3 RHEL Program Management 2012-12-14 08:49:10 UTC 
This request was not resolved in time for the current release.
Red Hat invites you to ask your support representative to
propose this request, if still desired, for consideration in
the next release of Red Hat Enterprise Linux.