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Subject: [Bug 202607] [panic] Poudriere umounting file systems causes
 'solaris assert: avl_is_empty(&dn->dn_dbufs)' panic
Date: Tue, 22 Sep 2015 18:41:24 +0000
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=202607

--- Comment #11 from Justin T. Gibbs <gibbs@FreeBSD.org> ---
I was looking at the stack trace, but I guess that can't be trusted?  It's not
clear from the attachment how you got that dbuf pointer, but the bonus buffer
shouldn't be in dn_dbuf. So if you are asserting on things within dn_dbufs and
using it to find what asserted, then I guess there is a data dbuf with
outstanding references.

Can you provide a complete dump of all of the fields in both the dnode and the
dbuf?

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