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From: Wei Liu <wei.liu2@citrix.com>
To: "Roger Pau Monné" <royger@FreeBSD.org>
Cc: freebsd-xen@FreeBSD.org, Wei Liu <wei.liu2@citrix.com>,
	freebsd-virtualization@freebsd.org,
	Marcin Cieslak <saper@saper.info>,
	xen-devel@lists.xenproject.org
Subject: Re: HEADS UP: Imported Xen 4.7: no blkback
Date: Thu, 9 Jun 2016 10:07:14 +0100	[thread overview]
Message-ID: <20160609090714.GA24655@citrix.com> (raw)
In-Reply-To: <20160609080343.44rvpda4hskiy3ge@mac>

On Thu, Jun 09, 2016 at 10:03:43AM +0200, Roger Pau Monné wrote:
> On Thu, Jun 09, 2016 at 12:16:59AM +0000, Marcin Cieslak wrote:
> > On Fri, 3 Jun 2016, Roger Pau Monné wrote:
> > 
> > > One of the more relevant changes in 4.7 regarding FreeBSD is the support for 
> > > block hotplug scripts. This means that we now have the option to use 
> > > backends different than simple block or regular files, provided that someone 
> > > writes the proper hotplug scripts to attach them (I've heard there are some 
> > > iSCSI hotplug scripts around). This however requires changes in blkback, so 
> > > if you plan to use the Xen 4.7 port, please make sure that you are running a 
> > > kernel that contains revision r301269 (or any later version). The same also 
> > 
> > I am running it with r301685 and the HVM guests have some trouble with
> > block devices.
> > 
> > SeaBIOS does not find /dev/zvol/zroot/freebsd1,raw,xvda,w to boot FreeBSD
> > from, after chaging to "hda" I get up to the kernel mountroot prompt
> > (Xen block devices seem to be detected in dmesg).
> 
> Yes, this is intentional, see:
> 
> https://marc.info/?l=xen-devel&m=144482080812353
> 

Note that I reverted that change yesterday. 4.7 will behave as before.

Wei.

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  parent reply	other threads:[~2016-06-09  9:07 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20160603120921.y5l362zgrhf4fdcb@mac>
2016-06-08 22:18 ` HEADS UP: Imported Xen 4.7 and blkback changes Marcin Cieslak
     [not found] ` <alpine.BSF.2.11.1606082204080.2130@z.fncre.vasb>
2016-06-08 22:35   ` HEADS UP: Imported Xen 4.7 and blkback changes - domU respawning on_crash Marcin Cieslak
2016-06-09  7:40   ` HEADS UP: Imported Xen 4.7 and blkback changes Roger Pau Monné
     [not found]   ` <alpine.BSF.2.11.1606082229190.2130@z.fncre.vasb>
2016-06-09  7:44     ` HEADS UP: Imported Xen 4.7 and blkback changes - domU respawning on_crash Roger Pau Monné
     [not found]   ` <20160609074021.uqtjio2vn7wo5h4m@mac>
2016-06-10 21:41     ` HEADS UP: Imported Xen 4.7 and blkback changes Marcin Cieslak
     [not found]     ` <alpine.BSF.2.11.1606102140290.2130@z.fncre.vasb>
2016-06-13  9:22       ` Roger Pau Monné
2016-06-09  0:16 ` HEADS UP: Imported Xen 4.7: no blkback Marcin Cieslak
     [not found] ` <alpine.BSF.2.11.1606090010280.2130@z.fncre.vasb>
2016-06-09  8:03   ` Roger Pau Monné
     [not found]   ` <20160609080343.44rvpda4hskiy3ge@mac>
2016-06-09  9:07     ` Wei Liu [this message]
2016-06-10 21:38     ` Marcin Cieslak
     [not found]     ` <alpine.BSF.2.11.1606102124330.2130@z.fncre.vasb>
2016-06-13  9:10       ` Roger Pau Monné
     [not found]       ` <20160613091003.cejnbuqepp25zanc@mac>
2016-06-13  9:44         ` Marcin Cieslak
2016-06-13 19:26         ` Marcin Cieslak
     [not found]         ` <alpine.BSF.2.11.1606131922240.2130@z.fncre.vasb>
2016-06-16 15:29           ` Roger Pau Monné
     [not found]           ` <20160616152919.3nelncwerh3nir27@mac>
2016-06-16 17:05             ` Marcin Cieslak

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