--As of February 15, 2012 2:31:10 AM +0200, Daniel Shahaf is alleged to
have said:
One of our amd64 servers runs 9.0-RC2 (releng/9.0@r228325) with a zfs
root.
It fails to boot the 9.0-RELEASE (releng/9.0@r229305) GENERIC kernel
(self compiled) with a mountfrom error:
http://people.apache.org/~danielsh/infra/loki-20120215-mountfrom.png
mountfrom> zfs:zroot
Trying to mount root from zfs:zroot []...
Mounting from zfs:zroot failed with error 2.
We've tried to upgrade the zpool format 15->28; the symptoms are
unchanged. (The zroot fs is at version 4.)
Why does 9.0-RC2 boot while 9.0-RELEASE (as /boot/testkernel) doesn't?
What can do to boot 9.0-RELEASE from our zfs root filesystem?
--As for the rest, it is mine.
Did you update the bootloader? Depending on when you installed the system,
it's possible your upgrading the zpool means the bootloader can't read it.
Daniel T. Staal
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