http://bugzilla.kernel.org/show_bug.cgi?id=10217
------- Comment #12 from [EMAIL PROTECTED] 2008-04-14 02:57 -------
Hi, Guillaume
Thanks for the info.
From the log in comment #11 we can know that the value of PAR1 is 0x60.
> [ACPI Debug] String: [0x16] "PAR1 value is 00000060"
As the PAR1 is 0x60, it causes that the following AML code can't be
executed and no notification event is sent to VGA device. Of course it will
fail in video output switching.
> If (LNotEqual (And (PAR1, 0x40), 0x40))
{
>Notify (\_SB.PCI0.AGP.VGA, 0x80)
}
It seems that the problem is related with BIOS.
Will you please check whether the latest bios is available and see whether
the problem still exists?
Thanks.
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