Extra battery causes hangs (T40p, FreeBSD 5.1/CURRENT)

Peter Schuller peter.schuller at infidyne.com
Mon Aug 11 12:23:38 PDT 2003


Hello,

> Are you swapping the CDROM and battery while FreeBSD is booted? FreeBSD
> does not handle this at all and will get really upset if you attempt it.

Nope. I did try it once to see if it would affect the hang problem, but
otherwise no.

> You'd have to examine the DSDT table (and perhaps other namespace tables,
> and dmesg)  to see exactly how the code path changes.  Typically, though,
> the ACPI device tree already has space reserved for two batteries even if
> one is not present.

Ok. Do you know of any documentation on how to do this? (I'm not a kernel
hacker of any kind...)

> > acpi_cmbat0: <Control method Battery> on acpi0
> > acpi_cmbat1: <Control method Battery> on acpi0
> 
> ok so both battery slots do register.

Yeah.

Thanks!

-- 
/ Peter Schuller, InfiDyne Technologies HB

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