I have enable switcheroo in kernel config .
Why is there not /sys/kernel/debug/vgaswitcheroo/switch ?
Linux ubuntu-raid-w500 2.6.38-10-generic #46-Ubuntu SMP Tue Jun 28 15:07:17 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux
My computer is Thinkpad W500 . One graphic card is ATI Mobility FireGL V5700 (512 MB). The other one is Intel Graphics Media Accelerator 4500MHD .
I am using official kernel 2.6.38-10, I do NOT customize it. I add kernel option pcie_aspm=force
in GRUB_CMDLINE_LINUX_DEFAULT of /etc/default/grub
- Setting
modeset=1
doesn't seem to help - Here is the output of kern.log
- Here is my entire bootup.