Details
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Bug
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Resolution: Fixed
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Major
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Lustre 2.4.0
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3
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5120
Description
See also LU-2070.
https://maloo.whamcloud.com/test_sets/d45314ce-11ff-11e2-a663-52540035b04c
From the OSS console log:
01:55:36:LustreError: 15560:0:(obd_mount.c:2107:server_put_super()) lustre-OST0000: Fail to disconnect osp-on-ost! 01:55:36:LustreError: 15560:0:(obd_mount.c:2137:server_put_super()) no obd lustre-OST0000 01:55:36:LustreError: 15560:0:(obd_mount.c:1415:lustre_stop_osp()) Can not find osp-on-ost lustre-MDT0000-osp-OST0000 01:55:36:LustreError: 15560:0:(obd_mount.c:2152:server_put_super()) lustre-OST0000: Fail to stop osp-on-ost! 01:55:37:LustreError: 15159:0:(lu_object.c:1114:lu_device_fini()) ASSERTION( cfs_atomic_read(&d->ld_ref) == 0 ) failed: Refcount is 1 01:55:37:LustreError: 15159:0:(lu_object.c:1114:lu_device_fini()) LBUG 01:55:37:Pid: 15159, comm: obd_zombid 01:55:37: 01:55:37:Call Trace: 01:55:37: [<ffffffffa0c9a905>] libcfs_debug_dumpstack+0x55/0x80 [libcfs] 01:55:37: [<ffffffffa0c9af17>] lbug_with_loc+0x47/0xb0 [libcfs] 01:55:37: [<ffffffffa06d96fc>] lu_device_fini+0xcc/0xd0 [obdclass] 01:55:37: [<ffffffffa06dfefe>] dt_device_fini+0xe/0x10 [obdclass] 01:55:37: [<ffffffffa0f44a43>] osd_device_free+0x173/0x2d0 [osd_zfs] 01:55:37: [<ffffffffa06b769d>] class_decref+0x46d/0x590 [obdclass] 01:55:37: [<ffffffffa0693ce9>] obd_zombie_impexp_cull+0x309/0x610 [obdclass] 01:55:37: [<ffffffffa06940b5>] obd_zombie_impexp_thread+0xc5/0x1c0 [obdclass] 01:55:37: [<ffffffff81060250>] ? default_wake_function+0x0/0x20 01:55:37: [<ffffffffa0693ff0>] ? obd_zombie_impexp_thread+0x0/0x1c0 [obdclass] 01:55:37: [<ffffffff8100c14a>] child_rip+0xa/0x20 01:55:37: [<ffffffffa0693ff0>] ? obd_zombie_impexp_thread+0x0/0x1c0 [obdclass] 01:55:37: [<ffffffffa0693ff0>] ? obd_zombie_impexp_thread+0x0/0x1c0 [obdclass] 01:55:37: [<ffffffff8100c140>] ? child_rip+0x0/0x20 01:55:37: 01:55:37:Kernel panic - not syncing: LBUG 01:55:37:Pid: 15159, comm: obd_zombid Tainted: P --------------- 2.6.32-279.5.1.el6_lustre.ga194b25.x86_64 #1 01:55:37:Call Trace: 01:55:37: [<ffffffff814fd58a>] ? panic+0xa0/0x168 01:55:37: [<ffffffffa0c9af6b>] ? lbug_with_loc+0x9b/0xb0 [libcfs] 01:55:37: [<ffffffffa06d96fc>] ? lu_device_fini+0xcc/0xd0 [obdclass] 01:55:37: [<ffffffffa06dfefe>] ? dt_device_fini+0xe/0x10 [obdclass] 01:55:37: [<ffffffffa0f44a43>] ? osd_device_free+0x173/0x2d0 [osd_zfs] 01:55:37: [<ffffffffa06b769d>] ? class_decref+0x46d/0x590 [obdclass] 01:55:37: [<ffffffffa0693ce9>] ? obd_zombie_impexp_cull+0x309/0x610 [obdclass] 01:55:37: [<ffffffffa06940b5>] ? obd_zombie_impexp_thread+0xc5/0x1c0 [obdclass] 01:55:37: [<ffffffff81060250>] ? default_wake_function+0x0/0x20 01:55:37: [<ffffffffa0693ff0>] ? obd_zombie_impexp_thread+0x0/0x1c0 [obdclass] 01:55:37: [<ffffffff8100c14a>] ? child_rip+0xa/0x20 01:55:37: [<ffffffffa0693ff0>] ? obd_zombie_impexp_thread+0x0/0x1c0 [obdclass] 01:55:37: [<ffffffffa0693ff0>] ? obd_zombie_impexp_thread+0x0/0x1c0 [obdclass] 01:55:37: [<ffffffff8100c140>] ? child_rip+0x0/0x20