Re: [Qemu-devel] Re: KVM call agenda for July 27

[Daniel P. Berrange]

On Tue, Jul 27, 2010 at 09:29:13AM -0700, Chris Wright wrote:
> * Daniel P. Berrange (address@hidden) wrote:
> > On Tue, Jul 27, 2010 at 07:17:06PM +0300, Avi Kivity wrote:
> > >  On 07/27/2010 06:28 PM, Anthony Liguori wrote:
> > > >
> > > >If we add docs/deprecated-features.txt, schedule removal for at least 
> > > >1 year in the future, and put a warning in the code that prints 
> > > >whenever raw is probed, I think I could warm up to this.
> > > >
> > > >Since libvirt should be insulating users from this today, I think the 
> > > >fall out might not be terrible.
> > > 
> > > On a related note, we should ask libvirt to make qemu stderr output 
> > > available to its users, or perhaps an ABRT plugin to report such 
> > > messages from libvirt's logs.
> > 
> > QEMU stderr+out is already recorded in /var/lib/libvirt/qemu/$GUESTNAME.log
> > along with the env variables and argv used to spawn it. Or did you mean 
> > provide an API + virsh command /virt-manager UI for accessing the logs ?
> 
> I read that to mean...propagate stderr from qemu to be right in front of
> the user.  So that's output from virsh or in virt-manager.  Trouble is,
> that's only useful (at best) when starting a guest.  Perhaps some
> virt-manager thing (an exclamation point to show there's errors in the
> log and a way to read them), and a virsh utility to match (although
> that'd require the user to actually poll the interface, at which point
> they can just as easily just look at the log).

We already propagate the stderr back to the client when guest startup
fails.

Regards,
Daniel
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