*** This bug is a duplicate of bug 883441 ***
https://bugs.launchpad.net/bugs/883441
I'm posting this here because I'm not sure if subscribers to this bug
report are also automatically subscribed to the duplicate bug #883441,
if so please feel free to delete this post in favor of the one I made on
#883441.
I had this same problem, after doing some digging around I found a
workaround that allows booting the 3.0 series kernel without having to
disable ACPI or Hyperthreading. The workaround involves adding a kernel
parameter to your GRUB configuration:
processor.nocst=1
This forces the kernel to use an older method of determining the
processors 'c-state' (don't ask me what exactly that is, I have
absolutely no idea, all I know is adding this to my GRUB configuration
allowed me to finally boot without disabling ACPI or Hyperthreading on
my D865GLC board (apparently this bug is prevalent on Intel D865GBF
boards, the GLC is basically a mini-ATX version of the GBF and even uses
the same BIOS)).
Rough System specs:
CPU: 2.8ghz Pentium 4 w/hyperthreading
Board: Intel D865GLC (from a Gateway computer, but flashed with newest Intel
BIOS), board revision unknown
RAM: 2x 1Gb DDR & 2x 512Mb DDR
Video: nVidia 7600GS 8X AGP w/512Mb Video Memory
Linux Distro: Kubuntu 11.10 32 bit fully updated including backports
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https://bugs.launchpad.net/bugs/883438
Title:
Kernel 3.0 (11.10 default kernel) won't boot unless acpi=off, worked
fine with the default kernels of the 3 previous releases
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