you were right: [ 2.415947] [drm] nouveau 0000:01:00.0: Unsupported chipset 0xffffffff
this is why the screen freezes when I try a switch to the nvidia card? also, when you have some time, could you explain us how to play witch acpi_call to figure out how to switch the mux? thanks you very much On Mon, May 16, 2011 at 7:12 AM, Alex Williamson < [email protected]> wrote: > On Sun, May 15, 2011 at 12:10 PM, Diego <[email protected]> wrote: > > So, I install and configure the module correctly > > Using the same parameters you use for UL30VT I can turn on and off the > > nvidia card (the power's consuption downs about 6 watts!) > > but! as in asus-switcheroo I can not use the nvidia card. If I do a "echo > > DIS > switch", the screen freezes and I have to blind type "echo IGD > > > switch" to get the screen back > > That's exactly why I wrote byo-switcheroo. Now you can play with > acpi_call on your system to figure out how to switch the mux and add > it to the switchto scripts. I've only got one hybrid graphics laptop, > and the MXMX/MXDS/_DSM script seems to work there. > > > Also, sometimes the folder /sys/kernel/debug/vgaswitcheero doesn't be > > created, so I have to "rmmod nouveau && modprobe nouveau" to make it > appear > > thanks for the help! > > Probably a nouveau problem, check dmesg and look for an "unsupported > chipset" error message. Thanks, > > Alex >
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