OS doesn't boot with acpi on, a burning effect shows up before system hangs

[Guruprasad]

Binary package hint: acpi

When I boot into Ubuntu 9.10 my laptop HP Compaq Presario V3000 series laptop, the ubuntu boot-time logo shows up and then a burning white light gradually engulfs the screen and then the system stays there forever. When I boot with 'acpi=off', the system boots into the OS properly but the performance is drastically slow.

This system works great out of the box with Ubuntu 9.04 without any performance issues or problems.

ProblemType: Bug
Architecture: i386
Date: Thu Feb 18 20:07:10 2010
DistroRelease: Ubuntu 9.10
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.2)
NonfreeKernelModules: wl
Package: acpi 1.4-2
ProcEnviron:
 LANG=en_IN
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
SourcePackage: acpi
Uname: Linux 2.6.31-14-generic i686
XsessionErrors:
 (gnome-settings-daemon:1789): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
 (gnome-settings-daemon:1789): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
 (nautilus:1853): Eel-CRITICAL **: eel_preferences_get_boolean: assertion `preferences_is_initialized ()' failed
 (polkit-gnome-authentication-agent-1:1871): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.