[Bug 227772] regression: gptzfsboot sees remains of old pools and fails to boot

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Wed Apr 25 15:29:11 UTC 2018


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=227772

            Bug ID: 227772
           Summary: regression: gptzfsboot sees remains of old pools and
                    fails to boot
           Product: Base System
           Version: 11.1-STABLE
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: bin
          Assignee: bugs at FreeBSD.org
          Reporter: emz at norma.perm.ru

Using 11.1-RELEASE I was getting the "cannot read MOS" message concering the
old deleted pool (which labels for some reason persist on the new vdevs) but
this didn't lead to the inability to boot.

Using recent STABLE r332095 gptzfsboot it now does.

I'm getting various messages (see attached screenshots) but the most fatal
semmms to be "ZFS unexpected object set type 0", then booting process hangs,
gptzfsboot seems to see the pool, but entering the pool name and path to the
kernel does nothing - progress bar stucks.

The workaround is to use old 11.1 gptzfsboot loader.

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