smart battery driver problem

i have installed rich drivers, but recentrly i have encountered a problem. /proc/acpi/battery/BAT0/ catting info and state froze the console. and applet crashes (very badly, with panel included)
the userspace program works fine..
i i unplug the ac, i can cat ... and if i replug also works.

a deadlock occurs?

i'll try to debug, but first im interesting in your opinions

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