I have tried Ubuntu 9.10 karmic. The problem described above still appears, no change. I managed to compile a custom kernel, which contains the fixed DSDT code, and while booting, the custom DSDT will be loaded successfully. More details about compiling a custom kernel (ubuntu), building a custom DSDT into the kernel, etc.: - https://help.ubuntu.com/community/Kernel/Compile - http://lesswatts.org/projects/acpi/overridingDSDT.php - http://gaugusch.at/kernel.shtml
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