Description of problem: Mini-ITX Asus AT5NM10 based on D510 provides both VGA and LVDS outputs. My LVDS output is unequipped, I do expect this board to use the VGA port as main display. But at boot, both LVDS and VGA are active, then xorg (withour any xorg.conf) starts with the primary screen on LVDS and secondary screen on VGA (no menus there, just the wallpaper and contextual menu).
Version-Release number of selected component (if applicable): 22.214.171.124-90.fc12.i686 kernel
How reproducible: Each time
Steps to Reproduce:
1. Boot 2010/04/28 FC12 on AT5NM10, witout extra options,
2. start or let X start, following the standart boot proces.
Actual results: VGA is the secondary screen in X
Expected results: LVDS is unequipped, VGA should be main X screen
With an xorg.conf file, VGA can be configured as the main display.
This same AT5NM10 is usable with a kernel option in grub.lst. An abstract of my config and workaround:
# dmesg | grep LVD
Kernel command line: .... video=LVDS-1:d <- LVDS is now disabled
[drm] forcing LVDS-1 connector OFF
# lspci | grep LVD
# lspci | grep VGA
00:02.0 VGA compatible controller: Intel Corporation Pineview Integrated Graphics Controller (rev 02)
With this kernel option, video=LVDS-1:d, my VGA port is now the primary screen in X.
I had some doubts and checked the bios. My board was shiped with version 0214 of 2009/01/12. Now I have upgraded to the latest 0405 of 2010/03/23.
Using 0405 bios, I still need video=LVDS-1:d to get the primary display on my analog VGA output. With this kernel option, my xorg reports:
X.Org X Server 1.7.6
Release Date: 2010-03-17
X Protocol Version 11, Revision 0
Build Operating System: x86-02 2.6.18-164.6.1.el5
Current Operating System: ... 126.96.36.199-90.fc12.i686
(--) PCI:*(0:0:2:0) 8086:a001:1043:83e6 Intel Corporation Pineview Integrated Graphics Controller rev 2, Mem @ 0xd0e80000/524288, 0xb0000000/268435456, 0xd0d00000/1048576, I/O @ 0x0000c800/8, BIOS @ 0x????????/131072
(--) PCI: (0:0:2:1) 8086:a002:1043:83e6 Intel Corporation Pineview Integrated Graphics Controller rev 2, Mem @ 0xd0f00000/524288, BIOS @ 0x????????/65536
(II) intel(0): Output LVDS1 disconnected
(II) intel(0): Output VGA1 connected
After grub's menu.lst changes and reboot, without this video=LVDS-1:d kernel option, I again have the secondary screen on the VGA port and the same xorg reports:
(II) intel(0): Output LVDS1 connected
(II) intel(0): Output VGA1 connected
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This bug still exists in Fedora 14.
I have a Zotac NM10-DTX mobo with the Pineview chipset, Atom D510 and which includes the Intel GMA3150 graphics (essentially the same setup as Brunos reported Asus mobo).
In my case my mobo only has the VGA connector so this little bug report was what I needed to get my F14 running, thanks Bruno!
Fedora 12 changed to end-of-life (EOL) status on 2010-12-02. Fedora 12 is
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