| Priority | medium |
|---|---|
| Bug ID | 57349 |
| Assignee | dri-devel@lists.freedesktop.org |
| Summary | [nouveau, EFI] xf86-video-nouveau-1.0.2 and above fail to find device with X 1.13.0 |
| Severity | normal |
| Classification | Unclassified |
| OS | Linux (All) |
| Reporter | bonbons67@internet.lu |
| Hardware | x86-64 (AMD64) |
| Status | NEW |
| Version | XOrg CVS |
| Component | DRM/other |
| Product | DRI |
Commit 2f48b8f462a03cb92db9e9a7ae1957eb27473965 "nouveau: add platform bus support" added in -1.0.2 prevents X from starting on a MacBookAir booted via EFI. As debugged on IRC with airlied, the cause is that kernel reports "boot_vga" being "0" for the GeForce 9400M (C79) when efifb is not being used (not compiled into kernel whereas nouveau is). [booting with efifb built-in causes "boot_vga" to be "1"] When there is no other GPU around and KMS (+ fbcon) is active on that GPU X should accept it as well (or kernel adjust boot_vga as needed even while efifb is not compiled in/used). Kernel used if 3.7-rc5 (with efifb disabled), 3.7-rc6 (with efifb built-in)
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