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Date:      Tue, 19 Aug 2014 07:40:46 +0300
From:      Kimmo Paasiala <kpaasial@icloud.com>
To:        "freebsd-stable@freebsd.org" <freebsd-stable@freebsd.org>
Cc:        Konstantin Belousov <kib@FreeBSD.org>
Subject:   Re: ZFS on root booting broken somewhere after r270020
Message-ID:  <25886C53-39C1-47A8-95F7-494FA6E7ABA2@icloud.com>
In-Reply-To: <71DEB316-3CDD-4403-A397-BCE684725ABD@icloud.com>
References:  <51AD1F36-1089-481F-8784-8BD8E6EF020F@icloud.com> <71DEB316-3CDD-4403-A397-BCE684725ABD@icloud.com>

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On 18.8.2014, at 8.54, Kimmo Paasiala <kpaasial@icloud.com> wrote:

>=20
> On 18.8.2014, at 2.32, Kimmo Paasiala <kpaasial@icloud.com> wrote:
>=20
>> System is:
>>=20
>> FreeBSD freebsd10.rdnzl.info 10.0-STABLE FreeBSD 10.0-STABLE #2 =
r270020: Fri Aug 15 20:38:59 EEST 2014     =
kimmo@buildstable10amd64.rdnzl.info:/usr/obj/usr/src/sys/GENERIC  amd64
>>=20
>> This version still works fine. The one that didn=92t work was =
r270097. The kernel boots but gets stuck at the line:
>>=20
>> Trying to mount root from zfs:pool/ROOT/default []
>>=20
>> I tried pressing enter at this point but got a panic, I don=92t have =
a screenshot of the panic at the moment.
>>=20
>> Could this problem be related the this commit? :
>>=20
>> =
http://svnweb.freebsd.org/base?view=3Drevision&sortby=3Drev&sortdir=3Ddown=
&revision=3D270095
>>=20
>> -Kimmo
>=20
> Trying to bisect this I backed to r270050 and that version still =
works. More to come.
>=20
> -Kimmo

Version r270094 still works but commit r270095 definitely does break =
booting from ZFS on root on my system. The error message I see on the =
console is  =93Mounting from <the ZFS filesystem> failed with error 5=94 =
and I=92m given the mountroot prompt. I don=92t see the ZFS pool among =
the listed GEOM devices on the mountroot prompt.

Adding the committer of r270095 (kib@) to this discussion.

-Kimmo

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