nvidia-driver not work on my dual graphics card notebook

[Liu Jianfeng]

After I install nvidia-driver on debian sid, I can get into my desktop, but
the nvidia driver is not loaded, so I install nvidia-xconfig and generate
the xorg.conf, but when I reboot I can't get into the desktop with "device
not found" error, then I add
BusID "PCI:1:0:0"
to the xorg.conf and then reboot but still can't get into the desktop.
I've tried version 340,352, even 358 in the svn, all the same issue. I also
tried a 358 driver from a ubuntu ppa team:
https://launchpad.net/~graphics-drivers/+archive/ubuntu/ppa/+packages, it
has small issues but I can get into the desktop with nvidia driver.
Here is the log of xorg: http://paste.ubuntu.com/14864349/
Here is the output of lspci: http://paste.ubuntu.com/14864355/
Here is the output of dmesg: http://paste.ubuntu.com/14864362/
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