zpool get all core dumps when no pool is active

[Marcelo Araujo]

Hello Johan,

I think it is the normal behavior on CURRENT, due by default there is the
INVARIANTS support that will perform run-time assertion checks and tests to
verify the integrity of kernel.
I made the same test in one machine here using 9.1-BETA1 without INVARIANTS
and it does not happen with me.

INVARIANTS:
http://www.freebsd.org/doc/en/books/developers-handbook/kerneldebug-options.html

May you check if you have this option in your KERNEL? Or in case you are
using the GENERIC, you must have it there.

Best Regards,
- Araujo

2012/7/20 Johan Hendriks <joh.hendriks at gmail.com>

> Hello all.
>
> On my test machine with FreeBSD Current from 14-07-2012 i lost my zpool
> due to a disconnected power supply.
> I noticed when i do a zpool get all on a pool that is not active, zpool
> core dumps.
> I do not know if it should do this, but an error message that there are no
> active pools would make it nicer.
>
> hast2 ~ # zpool status
>   pool: testpool
>  state: UNAVAIL
> status: One or more devices could not be opened.  There are insufficient
>         replicas for the pool to continue functioning.
> action: Attach the missing device and online it using 'zpool online'.
>    see: http://illumos.org/msg/ZFS-**8000-3C<http://illumos.org/msg/ZFS-8000-3C>
>   scan: none requested
> config:
>
>         NAME                      STATE     READ WRITE CKSUM
>         testpool                  UNAVAIL      0     0     0
>           mirror-0                UNAVAIL      0     0     0
>             10238773687773245204  UNAVAIL      0     0     0  was
> /dev/gpt/disk0
>             7739197258598802985   UNAVAIL      0     0     0  was
> /dev/gpt/disk1
> hast2 ~ # zpool get all
> Assertion failed: (nvlist_lookup_nvlist(config, "feature_stats",
> &features) == 0), file /usr/src/cddl/lib/libzfs/../..**
> /../cddl/contrib/opensolaris/**lib/libzfs/common/libzfs_**config.c, line
> 250.
> Abort trap: 6 (core dumped)
>
> It leaves a core file
> -rw-------   1 root  wheel  8990720 Jul 20 12:20 zpool.core
>
> Also a zpool get all testpool coredumps.
>
> regards
> Johan Hendriks
> Neuteboom Automatisering
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-- 
Marcelo Araujo
araujo at FreeBSD.org