Improper failure declarations for cmbat

[Nate Lawson]

Kevin Oberman wrote:
> I have an IBM T30 with 2 batteries. Yesterday I was running on battery
> for a while and completely exhausted the secondary battery. The primary
> never dropped below about 75%.
> 
> When the secondary dropped, acpi_cmbat1 started spitting out large
> numbers of errors.
> acpi_cmbat1: critically low charge!
> While the messages are correct, they are not really appropriate when the
> primary battery is fully charged and is both annoying and fills up the
> log, possibly causing "real" messages to be missed. I would suggest that
> no battery critical warning be issued unless all batteries are critical.

Thanks for the bug report.  I just committed a small fix to only report 
the message once.  Checking all batteries is a larger change that we can 
examine in the future.

-- 
Nate