Bug#631866: linux-source-2.6.39: no APM support even when compiled in AND booted with apm=on

[Ben Hutchings <ben@decadent.org.uk>]

On Mon, Jun 27, 2011 at 11:28:34PM +0200, Hans Ekbrand wrote:
> Package: linux-source-2.6.39
> Version: 2.6.39-2
> Severity: normal
> 
> Summary: I recompiled with make menuconfig, loaded the default
> config for linux-image-2.6.39-486-2 into menuconfig, disabled ACPI,
> enabled APM (but not the sub-items of APM in menuconfig). Then
> booted this image with "apm=on" and now:
> 
> # apm -S
> No APM support in kernel

So apm lies...

> selected output from dmesg:
> 
> $ dmesg | grep -i apm 
> [    0.000000] Kernel command line: BOOT_IMAGE=/vmlinuz-2.6.39 root=/dev/mapper/amin-root ro apm=on quiet
> [   12.378224] apm: BIOS not found.
[...]

Well, are you sure that this machine does have APM BIOS support?
Because the kernel cannot use APM that is not there...

Ben.

-- 
Ben Hutchings
We get into the habit of living before acquiring the habit of thinking.
                                                              - Albert Camus