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SRVR:VE1EUR02HT163; x-forefront-prvs: 0362BF9FDB spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: outlook.com X-MS-Exchange-CrossTenant-originalarrivaltime: 08 Jul 2017 08:34:52.2840 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Internet X-MS-Exchange-CrossTenant-id: 84df9e7f-e9f6-40af-b435-aaaaaaaaaaaa X-MS-Exchange-Transport-CrossTenantHeadersStamped: VE1EUR02HT163 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 08 Jul 2017 08:34:56 -0000 I did a freebsd-update to RC2 yesterday evening. On rebooting with the new = kernel, my zfs mounts were not present. In single user mode, the zfs command was core dumping. Fix was to copy /boo= t/kernel.old to /boot/kernel Backtrace is not super useful I think: lldb) bt * thread #1, name =3D 'zfs', stop reason =3D signal SIGABRT * frame #0: 0x000000080137884a libc.so.7`__sys_thr_kill + 10 frame #1: 0x0000000801378814 libc.so.7`raise + 52 frame #2: 0x0000000801378789 libc.so.7`abort + 73 frame #3: 0x0000000801082913 libzfs.so.2`zfs_standard_error_fmt + 1603 frame #4: 0x00000008010822c5 libzfs.so.2`zfs_standard_error + 21 frame #5: 0x0000000801091da2 libzfs.so.2`zfs_open + 290 frame #6: 0x00000008010838a5 libzfs.so.2`zfs_path_to_zhandle + 85 frame #7: 0x0000000000410005 zfs`___lldb_unnamed_symbol76$$zfs + 437 frame #8: 0x000000000040811b zfs`___lldb_unnamed_symbol18$$zfs + 635 frame #9: 0x00000000004059c2 zfs`___lldb_unnamed_symbol5$$zfs + 834 frame #10: 0x000000000040552f zfs`___lldb_unnamed_symbol1$$zfs + 383 Mark=