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Re: [rtl] APM alert !!!!



Linux 2.3.xx kernels allow APM support to be built as a module.
This feature solves the problem for at least RTL 3.0.

Michael.

David Schleef (ds@stm.lbl.gov) wrote:
> On Thu, Jun 01, 2000 at 04:37:35PM +0100, Stuart Hughes wrote:
> > Hi Victor,
> > 
> > Tried it on RTLinux 2.3/Linux 2.2.14.  Exactly the same effect.  If you
> > cat /proc/apm, the jitter jumps out to ~ 7 miliseconds.
> > 
> > Regards, Stuart.
> > 
> 
> 
> Every so often, a thread comes up in the Linux kernel mailing list about
> modifying the kernel to run APM inside a virtual machine, since APM also
> causes problems with SMP.  There is already other code doing this, such
> as (I think) the VESA framebuffer code and BIOS calls on other
> architectures.  Usually, the thread erupts into a flamewar about the
> stupidities involved with running something inside a virtual machine
> _inside_ the kernel.
> 
> Supposedly, ACPI will solve these problems, except that a) ACPI doesn't
> work on my machine, and b) the user-space ACPI code was developed
> independently from the APM code, and thus is incompatible.  Go figure.
> 
> 
> 
> dave...
> 
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