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Subject: [Bug 202607] [panic] Poudriere umounting file systems causes
 'solaris assert: avl_is_empty(&dn->dn_dbufs)' panic
Date: Thu, 01 Oct 2015 20:06:59 +0000
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=202607

--- Comment #26 from Oliver Pinter <op@freebsd.org> ---
http://permalink.gmane.org/gmane.os.freebsd.current/165824

#5  0xffffffff8039c391 in zfs_get_data (arg=<value optimized out>,
lr=<value optimized out>, buf=<value optimized out>,
zio=0xfffff8019eeb1760) at
/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c:1355
1355                            ASSERT(error || lr->lr_length <= zp->z_blksz);
(kgdb) l
1350                            ASSERT(db->db_offset == offset);
1351                            ASSERT(db->db_size == size);
1352
1353                            error = dmu_sync(zio, lr->lr_common.lrc_txg,
1354                                zfs_get_done, zgd);
1355                            ASSERT(error || lr->lr_length <= zp->z_blksz);
1356
1357                            /*
1358                             * On success, we need to wait for the write
I/O
1359                             * initiated by dmu_sync() to complete
before we can
(kgdb) p *lr
Cannot access memory at address 0xa5a5a5a5a5a5a5a5
(kgdb) p *zp
Cannot access memory at address 0xa5a5a5a5a5a5a5a5
(kgdb)

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