Subject: Re: Bogus ACPI battery information in recent current
To: Kevin Lahey <firstname.lastname@example.org>
From: Steven M. Bellovin <email@example.com>
Date: 12/14/2007 01:23:42
On Thu, 13 Dec 2007 16:41:22 -0800
Kevin Lahey <firstname.lastname@example.org> wrote:
> On Thu, 13 Dec 2007 17:31:22 -0700
> Sverre Froyen <email@example.com> wrote:
> > On Thursday 13 December 2007, Steven M. Bellovin wrote:
> > > On Thu, 13 Dec 2007 14:27:50 -0700
> > >
> > > Sverre Froyen <firstname.lastname@example.org> wrote:
> > >
> > > > With the latest current, I'm seeing bogus values for the battery
> > > > information. An example (4.99.42 from this morning):
> > ...
> > >
> > > I wonder if this is related to my "sudden shutdown" issue. (I
> > > alluded to it on tech-userlevel in a different thread.) Here's
> > > some curious output, using a kernel from this afternoon's source:
> > It is indeed. About 30 seconds after I booted the new kernel for
> > the first time, it shut down. after that time, I'm testing in
> > single user mode. I also see the sequence of normal -> critical ->
> > normal -> critical messages. I suspect the reported values keep
> > changing.
> I found that this went away after updating with more recent code.
> I'd blown away the good backup kernel, so eventually I had to pull the
> battery to get the new code built and installed. :-)
How recent? As I said, I saw this with a kernel pulled down around
2:20pm EST today.
--Steve Bellovin, http://www.cs.columbia.edu/~smb