[Bug 11821] Re: Laptop doesn't poweroff (needs nolapic to poweroff)

[osde.info]

REAPPEARED on IBM Thinkpad T20 hangs on poweroff or shutdown from 6.10
live cd or 6.10 hd install

$ uname -a
Linux ubu 2.6.17-11-generic #2 SMP Thu Feb 1 19:52:28 UTC 2007 i686 GNU/Linux

$ lshal
  smbios.bios.release_date = '12/21/1999'  (string)
  smbios.bios.version = 'IYET61WW (1.22 )'  (string)
  smbios.bios.vendor = 'IBM'  (string)

TEMP FIX
add acpi=force to grub kernel command line

see also bug 9185

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Laptop doesn't poweroff (needs nolapic to poweroff)
https://launchpad.net/bugs/11821