re: kern/43505: Lot of "acpibat0: Hewlett-Packard ..." while on AC line

[matthew green <mrg%eterna.com.au@localhost>]

>  > 21:34:02 Melon /netbsd: acpibat0: Hewlett-Packard LIon rechargeable
>  > battery Jun 24 21:34:02 Melon /netbsd: acpibat0: serial number 02109
>  > 2009/08/11, model number Primary Jun 24 21:34:02 Melon /netbsd: acpibat0:
>  > low->warn granularity: 0.100Ah, warn->full granularity: 0.100Ah Jun 24
>  > 21:34:21 Melon /netbsd: acpibat0: Hewlett-Packard LIon rechargeable
>  > battery Jun 24 21:34:21 Melon /netbsd: acpibat0: serial number 02109
>  > 2009/08/11, model number Primary Jun 24 21:34:21 Melon /netbsd: acpibat0:
>  > low->warn granularity: 0.100Ah, warn->full granularity: 0.100Ah
>  
>  The BIOS may update the status of the battery periodically. And NetBSD
>  obediently prints the information every time.
>  
>  This is harmless (but annoying).
>  
>  Probably this should be printed only during the attachment. (Albeit this
>  loses the information when e.g. two batteries are swapped at runtime.)

only log when it changes?  all these look the same to me...