powerdown restarts

[Geoffrey Leach]

On 06/30/2012 11:37:58 AM, Mateusz Marzantowicz wrote:
> On 30.06.2012 17:36, Geoffrey Leach wrote:
> > On 06/30/2012 03:51:45 AM, Mateusz Marzantowicz wrote:
> >> On 29.06.2012 22:37, Geoffrey Leach wrote:
> >>> This problem has been submitted to Bugzilla (836657), but I
> thought
> >> I'd 
> >>> ask here to see if there are any fixes lurking.
> >>>
> >>> System is running 3.4.3-1.fc17.x86_64. When I systemctl poweroff 
> >> the
> >>
> >>> kernel reboots instead of powering off. Under Windows 7, power 
> off
> 
> >>> works as expected. All packages are up-to-date.
> >>>
> >>> Any ideas?
> >> What about shutdown -h ? Does it work as expected? Then try halt
> and
> >> poweroff commands.
> > It's my understanding that poweroff is a backwards-compatibility 
> > implementation of systemctl poweroff, which I have tried to no
> avail. I 
> > should have mentioned that. It appears that halt is the same.
> shutdown 
> > if a link to systemctl. Bottom line is that I would not expect any
> of 
> > these to be any different, but I live in hope and will report back
> if 
> > there's any difference.
> >
> > I should also mention that systemctl poweroff works fine on my
> laptop 
> > running the 32-bit version of Fedora 16.
> >
> > One point, FWIW. Power off is essential for my application. Merely 
> > halt-ing is no better than just leaving the system running. 
> >
> > Thanks. I don't wish to seem ungrateful -:)
> >
> >
> 
> Yes, you're right about that links to systemctl. Unfortunately there
> is
> no magic related to shutdown/halt/power off in systemctl, it all 
> calls
> reboot() syscall through libc. Your problem lays probably somewhere 
> in
> kernel and might be ACPI related (it was very common sometime ago).
> 
> Does your 32 bit and 64 bit boxes are the same or different machines?

Different. The 32-bit is a laptop running Fedora 16. The 64-bit is a 
DVR (or will be, once I resolve the no sound problem)