** Changed in: acpi (Ubuntu)
Status: Incomplete => Fix Released
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https://bugs.launchpad.net/bugs/148637
Title:
System crashes on ac power unless acpi=off, but runs on battery
Status in “acpi” package in Ubuntu:
Fix Released
Status in “gnome-power-manager” package in Ubuntu:
Invalid
Status in “acpi” package in Baltix:
Invalid
Bug description:
Although Feisty runs fine in my Sony Vaio PCG-K115z laptop on ac power
or batteries, I can only boot to Gusty if the laptop is running on
battery.
If I try to boot with ac power the system crashes some seconds after
GDM is loaded. And, if I boot on battery and, after the system is
loaded, I plug the ac power, the system crashes instantly.
The only way to boot on ac power (or to plug it after boot on battery
and keep the system running) is to set acpi=off in the kernel line.
I've tried to check the acpi configs and events triggered by the ac
power, but could not find any problem. I've also forced the crash
plugging the ac power after system load to check system logs for that
second, but nothing is registered.
[Hardy Heron Development]
The same model as above, except for me it does not work even if the laptop is
run on battery power. However, running with acpi=off/ noacpi affects useful
areas like wireless interface.
Note that in my case GDM is able to load when booting with kernel boot
option "acpi=ht".
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