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Re: [Qemu-devel] [PATCH][RESEND] Add monitor command for system_reboot
From: |
Ryan Harper |
Subject: |
Re: [Qemu-devel] [PATCH][RESEND] Add monitor command for system_reboot |
Date: |
Wed, 8 Jul 2009 10:43:49 -0500 |
User-agent: |
Mutt/1.5.6+20040907i |
* Daniel P. Berrange <address@hidden> [2009-07-08 08:58]:
> On Wed, Jul 08, 2009 at 08:47:19AM -0500, Anthony Liguori wrote:
> > Daniel P. Berrange wrote:
> > >
> > >Only other option I think of is a pure paravirt shutdown/reboot
> > >handler, ala Xen. That sucks in different ways though, namely
> > >needing a driver in the guest, which is probably worse.
> > >
> >
> > What do you think about Avi's suggestion of using -no-shutdown, doing a
> > system_powerdown, waiting to receive a powerdown (you can poll 'info
> > status' too to see when you entered into the paused state), and then
> > doing a system_reset? I'd suggesting doing a timeout too while waiting
> > to avoid waiting forever.
>
> That suffers from the same problem as a system_reboot command in that
> the guest may never start the shutdown. If that's an acceptable
> limitation, then we might as well implement it directly in QEMU as
> system_reboot so its easily available to everyone. Make 'system_reboot'
> take an optional timeout arg (default to 60 seconds) after which it
> cancels its plans.
This seems the most reasonable thing to me. As already mentioned,
system_powerdown already is non-deterministic since the guest could
ignore the ACPI event.
--
Ryan Harper
Software Engineer; Linux Technology Center
IBM Corp., Austin, Tx
address@hidden
- Re: [Qemu-devel] [PATCH][RESEND] Add monitor command for system_reboot, (continued)
Re: [Qemu-devel] [PATCH][RESEND] Add monitor command for system_reboot, Gleb Natapov, 2009/07/08
- Re: [Qemu-devel] [PATCH][RESEND] Add monitor command for system_reboot, Anthony Liguori, 2009/07/08
- Re: [Qemu-devel] [PATCH][RESEND] Add monitor command for system_reboot, Daniel P. Berrange, 2009/07/08
- Re: [Qemu-devel] [PATCH][RESEND] Add monitor command for system_reboot, Anthony Liguori, 2009/07/08
- Re: [Qemu-devel] [PATCH][RESEND] Add monitor command for system_reboot, Daniel P. Berrange, 2009/07/08
- Re: [Qemu-devel] [PATCH][RESEND] Add monitor command for system_reboot, Anthony Liguori, 2009/07/08
- Re: [Qemu-devel] [PATCH][RESEND] Add monitor command for system_reboot,
Ryan Harper <=
- Re: [Qemu-devel] [PATCH][RESEND] Add monitor command for system_reboot, Anthony Liguori, 2009/07/08
- Re: [Qemu-devel] [PATCH][RESEND] Add monitor command for system_reboot, Ryan Harper, 2009/07/08
- Re: [Qemu-devel] [PATCH][RESEND] Add monitor command for system_reboot, Anthony Liguori, 2009/07/08
Re: [Qemu-devel] [PATCH][RESEND] Add monitor command for system_reboot, Avi Kivity, 2009/07/08
Re: [Qemu-devel] [PATCH][RESEND] Add monitor command for system_reboot, Amit Shah, 2009/07/16
Re: [Qemu-devel] [PATCH][RESEND] Add monitor command for system_reboot, Jamie Lokier, 2009/07/16
Re: [Qemu-devel] [PATCH][RESEND] Add monitor command for system_reboot, Amit Shah, 2009/07/16
Re: [Qemu-devel] [PATCH][RESEND] Add monitor command for system_reboot, Gleb Natapov, 2009/07/08
Re: [Qemu-devel] [PATCH][RESEND] Add monitor command for system_reboot, Avi Kivity, 2009/07/08
Re: [Qemu-devel] [PATCH][RESEND] Add monitor command for system_reboot, Daniel P. Berrange, 2009/07/08