Bug 103406

Summary: nouveau does not start Xorg on Dell E7450 laptop
Product: xorg Reporter: barry
Component: Driver/nouveauAssignee: Nouveau Project <nouveau>
Status: NEW --- QA Contact: Xorg Project Team <xorg-team>
Severity: normal    
Priority: medium    
Version: unspecified   
Hardware: Other   
OS: All   
i915 platform: i915 features:
Description Flags
dmesg output
Xorg.0.log.old none

Description barry 2017-10-22 18:05:31 UTC
Created attachment 134994 [details]
dmesg output

Fedora 26
Kernel 4.13.5-200.fc26.x86_64

configuring Xorg to use nouveau driver fails to bring up Xorg.

(EE) No devices detected.

from nv.dmesg:
nouveau 0000:03:00.0: bus: MMIO read of 00000000 FAULT at 612004 [ IBUS ]
nouveau 0000:03:00.0: bus: MMIO read of 00000000 FAULT at 10ac08 [ IBUS ]

From Xorg.0.log.old
(EE) No devices detected.
Comment 1 barry 2017-10-22 18:06:06 UTC
Created attachment 134995 [details]
Comment 2 Ilia Mirkin 2017-10-22 18:25:16 UTC
Were you expecting something different to happen?

Here's my analysis... you're forcing the X server to load nouveau, even though the primary (i.e. vgaarb) GPU is the intel one. The NVIDIA GPU does not have any connectors or display hardware attached, and so xf86-video-nouveau can't load.

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