From mboxrd@z Thu Jan  1 00:00:00 1970
From: Wei Liu <wei.liu2@citrix.com>
Subject: Re: xen 4.6 regression: xl create fails if domU have
	custom vifname
Date: Fri, 28 Aug 2015 08:56:45 +0100
Message-ID: <20150828075645.GA17809@zion.uk.xensource.com>
References: <55DF21AA.7020909@m2r.biz>
	<20150827144627.GR22586@zion.uk.xensource.com>
	<55E012BE.9000100@m2r.biz>
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To: Fabio Fantoni <fabio.fantoni@m2r.biz>
Cc: xen-devel <xen-devel@lists.xensource.com>, Wei Liu <wei.liu2@citrix.com>, Ian Campbell <ian.campbell@citrix.com>
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On Fri, Aug 28, 2015 at 09:50:22AM +0200, Fabio Fantoni wrote:
> Il 27/08/2015 16:46, Wei Liu ha scritto:
> >On Thu, Aug 27, 2015 at 04:41:46PM +0200, Fabio Fantoni wrote:
> >>Today trying xen 4.6.0-rc2 with all things needed for future production
> >>server I found a regression: xl create fails if domU have custom vifname.
> >>xl create test.cfg
> >>Parsing config from test.cfg
> >>libxl: error: libxl_exec.c:118:libxl_report_child_exitstatus:
> >>/etc/xen/scripts/vif-bridge add [14581] exited with error status 1
> >>libxl: error: libxl_device.c:1085:device_hotplug_child_death_cb: script: ip
> >>link set vif14.0-emu name frc-0-0-emu failed
> >This is the culprit.
> >
> >Did you do a clean install?
> >
> >You need to remove udev files in /etc. I should have mentioned this in
> >testing instructions.
> >
> >Wei.
> 
> Sorry for my mistake I didn't remember to check /etc because the testing deb
> (with make debball) delete /etc files only if specified as considered config
> files.

No worries. It's my fault for not mentioning it in test instructions.
This is something likely to trip people over.

> Removing the udev file solves the problem.

Thanks for confirming.

Wei.