From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 57349] New: [nouveau, EFI] xf86-video-nouveau-1.0.2 and above fail to find device with X 1.13.0
Date: Tue, 20 Nov 2012 22:36:37 +0000 [thread overview]
Message-ID: <bug-57349-502@http.bugs.freedesktop.org/> (raw)
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https://bugs.freedesktop.org/show_bug.cgi?id=57349
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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next reply other threads:[~2012-11-20 22:36 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-20 22:36 bugzilla-daemon [this message]
2014-08-16 22:28 ` [Bug 57349] [nouveau, EFI] xf86-video-nouveau-1.0.2 and above fail to find device with X 1.13.0 bugzilla-daemon
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