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Re: [Qemu-devel] [PATCH v6 01/10] qom: add helpers for UserCreatable obj
From: |
Daniel P. Berrange |
Subject: |
Re: [Qemu-devel] [PATCH v6 01/10] qom: add helpers for UserCreatable object types |
Date: |
Wed, 27 Apr 2016 15:55:05 +0100 |
User-agent: |
Mutt/1.5.24 (2015-08-30) |
On Wed, Apr 27, 2016 at 06:43:43AM -0600, Eric Blake wrote:
> On 04/27/2016 03:58 AM, Daniel P. Berrange wrote:
> > On Wed, Apr 27, 2016 at 11:26:23AM +0200, Markus Armbruster wrote:
> >> This commit regresses error message quality from
> >>
> >> $ qemu-system-x86_64 -nodefaults -display none -object
> >> secret,id=sec0,data=letmein,format=raw,foo=bar
> >> qemu-system-x86_64: -object
> >> secret,id=sec0,data=letmein,format=raw,foo=bar: Property '.foo' not found
> >>
> >> to just
> >>
> >> qemu-system-x86_64: Property '.foo' not found
> >
> > I'm not seeing that behaviour myself in current git master, nor
> > immediately before or after 90998d58964cd17f8b0b03800b0a4508f8b543da
> > is applied. I always just get
> >
> > $ ./x86_64-softmmu/qemu-system-x86_64 -nodefaults -display none -object
> > secret,id=sec0,data=letmein,format=raw,foo=bar
> > qemu-system-x86_64: -object
> > secret,id=sec0,data=letmein,format=raw,foo=bar: Property '.foo' not found
> >
> > So it all appears to be working correctly. How reliably reproducable
> > is it for you ? I'm testing on Fedora 23 x86_64 host and can't
> > see the failure despite many invokations.
>
> I'm reproducing it on my F23 machine, where 90998d58 indeed flips the
> behavior I'm seeing. Maybe it's a factor of which malloc engine is in
> use, or level of compiler optimization?
>
> My config.status states:
> exec '/home/eblake/qemu/configure' '--enable-kvm' '--enable-system'
> '--disable-user' '--target-list=x86_64-softmmu,ppc64-softmmu'
> '--enable-debug'
For the record, the --enable-debug flag was the key to making this
bug reproducable
Regards,
Daniel
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