Summary: battery-related errors/crashes/infinite loops
Kernel Version: 126.96.36.199 (no patches)
Most recent kernel where this bug did *NOT* occur: 188.8.131.52+suspend2
Distribution: Debian unstable
Hardware Environment: Compal ACY13 (almost a Dell Inspiron 2650)
Software Environment: KDE's "klaptop" battery monitor applet
Sometimes when klaptop makes an ACPI request from /proc/acpi, dmesg shows this
ACPI Exception (evregion-0424): AE_TIME, Returned by Handler for
ACPI Exception (dswexec-0458): AE_TIME, While resolving operands for
[OpcodeName unavailable] 
ACPI Error (psparse-0537): Method parse/execution failed
[\_SB_.PCI0.LPCB.BAT1._BST] (Node c147f784), AE_TIME
ACPI Exception (acpi_battery-0207): AE_TIME, Evaluating _BST 
This seems like the most common case.
Sometimes, dmesg reports some sort of reference counting overflow/underflow
(loops around saying something along the lines of "reference count is really
big" and shows a very large number of a count).
Sometimes, it shows an Oops similar to this:
BUG: unable to handle kernel NULL pointer dereference at virtual address
[<e09d7574>] acpi_battery_read_state+0xb1/0x31b [battery]
I have to reboot a bunch of times before I can reproduce this last one, but I
will try to do this soon.
Steps to reproduce:
I think all I need to do is run klaptop and wait a while. Its strace will
report that it is stuck on a read of /proc/acpi/battery/BAT1/state
Thanks, and please please ask if you have more information. If you are in my
area (San Jose/Palo Alto), I may even let you play with my computer if you
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