Alex Cruise wrote:
> 
> Mine displays a similar failure, except my strace shows:
> 
>   ioctl(3, APM_IOC_SUSPEND, 0 ) = -1 EAGAIN (Resource temporarily
> unavailable)
> 
> I also noticed (as reported by a previous poster) that whether you pass
> "apm=on" or "apm=off" to the kernel, apm gets disabled.  When you don't
> specify a setting, it's enabled.  I had a look at the arch/i386/kernel/apm.c
> in 2.4.10 though, and it seemed to make sense.

Verified here.
APM doesn't install if apm=on or apm=off is used in 2.4.10.

Here's a small patch for it.  With this patch, apm thread,
/proc/apm, misc apm_bios device etc. are created.

~Randy