[LAU] more machine issues

Fernando Lopez-Lezcano nando at ccrma.Stanford.EDU
Tue Nov 25 18:47:57 EST 2008


On Tue, 2008-11-25 at 17:18 -0500, Dave Phillips wrote:
> garry.ogle at tiscali.co.uk wrote:
> > Dave Phillips wrote:
> >  
> >  > 1) The machine does not cleanly shut down with the rt kernel. The 
> > system appears to go down, but the power light remains on and does not 
> > turn off manually (this happens with the battery in or out). Any fix for 
> > that ? I don't like having to switch off the power at the strip, I doubt 
> > that it's good for the box.
> >
> > i can't help with your other questions but this could a consequence of
> > having the "acpi=off" and/or  "noapic" set in your kernel bootloader
> > config.
> >
> > i don't remember which one disables the auto-power-off, but this is
> > definitely the observed behaviour on my box. i have to physically switch
> > it off after it shuts down.
> >
> > i set these boot options because they help with the way IRQs are
> > allocated, which in turn allows better real-time performance.
> >   
> Hmm, so does that mean I have to live with the behavior ?

It could also be that there was a kernel oops or bug while the machine
was running that left it in a state where the kernel can't finish its
own shutdown, I've seen it happen. 

-- Fernando


> Btw, I upgraded the GNOME Control Center, it no longer replaces my 
> Fluxbox background. :)





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