Description of problem: Battery and AC status on HP-compaq nx6325 not working. Although bad state problem (bug 229589) is fixed in recent update, the AC and battery status either does not update from start or stops updating after plugging ac in. These problems seem to be fixed in kernel 2.6.21 (according to reports on the gentoo-wiki) so there must exist patches in the kernel bugzilla which should fix this. Perhaps related with this are some APIC errors (see dmesg) but disabling apic doesn't help. How reproducible: Buy a recent HP Compaq notebook and check. :-)
Created attachment 150067 [details] dmesg output with apic errors
Please test 2.6.20-1.2925.fc6
Does not work unfortunately :-( still the same problem
It seems that acpi hangs somehow. Indicators: at least button and battery module cannot be unloaded. thermal polling frequency is not set. Is that standart?
Does booting with the kernel option "acpi_serialize" help?
No, using this option the kernel hangs during init even before udev and so on is starting.
Can you look in /proc/acpi/battery/BATx/state when the status is not updating? This is the kernel's view of what is happening.
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This bug does not appear any more since Fedora 7 due to the new kernel. I have at the moment not the ability to check it with older versions but if they lso have kernel>=2.6.22 it should work without any problems.