Date: Thu, 9 Jun 2016 10:07:14 +0100 From: Wei Liu <wei.liu2@citrix.com> To: Roger Pau =?iso-8859-1?Q?Monn=E9?= <royger@FreeBSD.org> Cc: Marcin Cieslak <saper@saper.info>, <freebsd-xen@FreeBSD.org>, <freebsd-virtualization@freebsd.org>, <xen-devel@lists.xenproject.org>, "Wei Liu" <wei.liu2@citrix.com> Subject: Re: [Xen-devel] HEADS UP: Imported Xen 4.7: no blkback Message-ID: <20160609090714.GA24655@citrix.com> In-Reply-To: <20160609080343.44rvpda4hskiy3ge@mac> References: <20160603120921.y5l362zgrhf4fdcb@mac> <alpine.BSF.2.11.1606090010280.2130@z.fncre.vasb> <20160609080343.44rvpda4hskiy3ge@mac>
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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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