[Bug 69272] Re: After Installation of Ubuntu 6.10 laptop doesn't reboot. laptop doesn't shutdown in 6.10 too

[osde.info]

Same problem 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 if your BIOS is older than 2000

add acpi=force to grub kernel command line

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After Installation of Ubuntu 6.10 laptop doesn't reboot. laptop doesn't shutdown in 6.10 too
https://launchpad.net/bugs/69272