Zpool is segfaulting

[Fabian Keil]

Stéphane Dupille via freebsd-stable <freebsd-stable at freebsd.org> wrote:

> I've juste upgraded my server from 10.0-RELEASE to 10.1-RELEASE. 
> Everything went well, exception in my daily periodic report, I've found 
> that the command "zpool list" is behaving strangely :
> # zpool list
> bad property list: invalid property 'fragmentation'

Are you sure kernel and userland are in sync?

> But what is frightening me the most is that :
> # zpool upgrade
> This system supports ZFS pool feature flags.
> 
> All pools are formatted using feature flags.
> 
> 
> Some supported features are not enabled on the following pools. Once a
> feature is enabled the pool may become incompatible with software
> that does not support the feature. See zpool-features(7) for details.
> 
> POOL  FEATURE
> ---------------
> zboot
>        com.delphix:async_destroy
> zsh: segmentation fault (core dumped)  zpool upgrade
> 
> 
> Again, it works perfeclty well on a freshly installed 10.1-RELEASE.
> 
> So, on my server, I installed a mirror zfs on top of a GELI layer. I 
> don't know if it's of any importance.

This could be related to:
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=182248

Fabian
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