Date: Mon, 25 Aug 2014 22:27:41 +0200 From: Nikolay Denev <ndenev@gmail.com> To: Peter Grehan <grehan@freebsd.org> Cc: Marat Bakeev <hawara@hawara.com>, freebsd-virtualization@freebsd.org Subject: Re: VirtIo errors inside VM with UFS-in-zvol Message-ID: <CA%2BP_MZHwvSqthrJMjBvF2rw31EfjtMkZhLqFOB9-zpcuhU3jYw@mail.gmail.com> In-Reply-To: <53FB856A.4090900@freebsd.org> References: <CAOb7DXGpDb1fALsLzbfAYk-9nQUoV5wWF9VJQwNDMQ2ZhBPkPg@mail.gmail.com> <CA%2BP_MZHvzuwZuvfNJBb6s3hJEcUKZx56-Zc9RPpXgOs8SUuN%2BQ@mail.gmail.com> <53FB2662.7090501@hawara.com> <53FB856A.4090900@freebsd.org>
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On Mon, Aug 25, 2014 at 8:50 PM, Peter Grehan <grehan@freebsd.org> wrote: > Hi Marat, > > >>> vtbd0: hard error cmd=write 290-305 >>> >> I would like to report the same problem. I'm using 10.0-RELEASE-p7 as a >> host, and 9.3-RELEASE as a guest. VM is created using vmrc script, it >> installed fine. But on attempt to create additional fs inside the vm, >> newfs just silently fails without writing anything to disk. file -s on >> a filesystem reports just 'data', instead of the usual "Unix Fast File >> system" > > > This issue is caused by the FreeBSD GEOM code tasting the zvol, parsing > partition/slice tables, and marking sections read-only. > > There is a fix for this by mav@ in r264145 in CURRENT, and MFC'd to > 10-STABLE in r265678 (May 8). The fix will be in 10.1. > > The zfs man page lists the new zvol property and sysctls that can be used > to prevent GEOM testing. > > later, > > Peter. > > > _______________________________________________ > freebsd-virtualization@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-virtualization > To unsubscribe, send any mail to > "freebsd-virtualization-unsubscribe@freebsd.org" Thanks Peter, That would be volmode=dev, correct? Does it make sense for either the scripts (runvm.sh, vmrc, etc) or bhyve itself print a warning in such case? --Nikolay
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