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  1. Lustre
  2. LU-7028

racer:kernel:BUG: spinlock bad magic on CPU#0

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: Lustre 2.8.0
    • Fix Version/s: Lustre 2.8.0
    • Labels:
    • Environment:
      Single Node Stetup, Scientific Linux (2.6.32-431-17.1.el6.x86_x64-Lustre)
    • Severity:
      3
    • Rank (Obsolete):
      9223372036854775807

      Description

      Running racer on master(2.7.58-22-g1d40519) with Single Node setup failed with following crash -
      Message from syslogd@maximus at Aug 21 03:58:02 ...
      kernel:BUG: spinlock bad magic on CPU#0, mdt00_002/3228 (Tainted: G --------------- H )
      Aug 21 03:58:02 maximus kernel: BUG: spinlock bad magic on CPU#0, mdt00_002/3228 (Tainted: G --------------- H )

      Message from syslogd@maximus at Aug 21 03:58:02 ...
      kernel: lock: ffff88001dd76408, .magic: 00000000, .owner: <none>/-1, .owner_cpu: 0
      Aug 21 03:58:02 maximus kernel: lock: ffff88001dd76408, .magic: 00000000, .owner: <none>/-1, .owner_cpu: 0
      Aug 21 03:58:02 maximus kernel: Pid: 3228, comm: mdt00_002 Tainted: G--------------- H 2.6.32 #2
      Aug 21 03:58:02 maximus kernel: Call Trace:
      Aug 21 03:58:02 maximus kernel: [<ffffffff8129c3ca>] ? spin_bug+0xaa/0x100
      Aug 21 03:58:02 maximus kernel: [<ffffffff8129c565>] ? _raw_spin_lock+0xa5/0x180

      Aug 21 03:58:02 maximus kernel: [<ffffffff81173f7c>] ? kmem_cache_alloc_trace+0x20c/0x280
      Aug 21 03:58:02 maximus kernel: [<ffffffff815378ee>] ? _spin_lock+0xe/0x10
      Aug 21 03:58:02 maximus kernel: [<ffffffffa064ec32>] ? tgt_bitmap_chunk_alloc+0x92/0x280 [ptlrpc]
      Aug 21 03:58:02 maximus kernel: [<ffffffffa0652ce3>] ? tgt_txn_stop_cb+0x12f3/0x1320 [ptlrpc]
      Aug 21 03:58:02 maximus kernel: [<ffffffffa0a4a796>] ? ldiskfs_mark_inode_dirty+0x96/0x1f0 [ldiskfs]
      Aug 21 03:58:02 maximus kernel: [<ffffffffa03d683e>] ? dt_txn_hook_stop+0x5e/0x90 [obdclass]
      Aug 21 03:58:02 maximus kernel: [<ffffffffa0aa8100>] ? osd_trans_stop+0x190/0x590 [osd_ldiskfs]
      Aug 21 03:58:34 maximus kernel: LustreError: 19055:0:(file.c:184:ll_close_inode_openhandle()) lustre-clilmv-ffff880015c956b8: inode [0x200000401:0x647:0x0] mdc
      close failed: rc = -13s kernel: [<ffffffffa0ccf8a6>] ? lod_xattr_set+0x156/0x3e0
      Aug 21 03:58:45 maximus kernel: LustreError: 24291:0:(file.c:184:ll_close_inode_openhandle()) lustre-clilmv-ffff8800155c4860: inode [0x200000402:0x96a:0x0] mdc
      close failed: rc = -13
      Aug 21 03:58:56 maximus kernel: LustreError: 28956:0:(file.c:184:ll_close_inode_openhandle()) lustre-clilmv-ffff8800155c4860: inode [0x200000402:0xb36:0x0] mdc
      close failed: rc = -13s kernel: [<ffffffffa03f2b70>] ? lu_ucred+0x20/0x30 [obdclass]
      Aug 21 03:58:02 maximus kernel: [<ffffffffa0cab8dc>] ? lod_trans_stop+0x2bc/0x330 [lod]
      Aug 21 03:58:02 maximus kernel: [<ffffffffa0ba97ba>] ? mdd_trans_stop+0x1a/0x1c[mdd]
      Aug 21 03:58:02 maximus kernel: [<ffffffffa0b98bd9>] ? mdd_create+0x13b9/0x1760[mdd]
      Aug 21 03:58:02 maximus kernel: [<ffffffffa0bf83b4>] ? mdt_version_save+0x84/0x1a0 [mdt]
      Aug 21 03:58:02 maximus kernel: [<ffffffffa0bfc6fc>] ? mdt_reint_create+0xbbc/0xcc0 [mdt]
      Aug 21 03:58:02 maximus kernel: [<ffffffffa03f2b70>] ? lu_ucred+0x20/0x30 [obdclass]
      Aug 21 03:58:02 maximus kernel: [<ffffffffa0bda245>] ? mdt_ucred+0x15/0x20 [mdt]

      Aug 21 03:58:02 maximus kernel: [<ffffffffa0bf353c>] ? mdt_root_squash+0x2c/0x3f0 [mdt]
      Aug 21 03:58:02 maximus kernel: [<ffffffffa0622072>] ? __req_capsule_get+0x162/0x6e0 [ptlrpc]
      Aug 21 03:58:02 maximus kernel: [<ffffffffa0bf76fd>] ? mdt_reint_rec+0x5d/0x200[mdt]
      Aug 21 03:58:02 maximus kernel: [<ffffffffa0be0bfb>] ? mdt_reint_internal+0x62b/0xa40 [mdt]
      Aug 21 03:58:02 maximus kernel: [<ffffffffa0be14ab>] ? mdt_reint+0x6b/0x120 [mdt]
      Aug 21 03:58:02 maximus kernel: [<ffffffffa0660bf2>] ? tgt_request_handle+0xa42/0x1230 [ptlrpc]
      Aug 21 03:58:02 maximus kernel: [<ffffffffa060be84>] ? ptlrpc_main+0xd74/0x1850[ptlrpc]
      Aug 21 03:58:02 maximus kernel: [<ffffffffa060b110>] ? ptlrpc_main+0x0/0x1850 [ptlrpc]
      Aug 21 03:58:02 maximus kernel: [<ffffffff8109b656>] ? kthread+0x96/0xa0
      Aug 21 03:58:02 maximus kernel: [<ffffffff8100c24a>] ? child_rip+0xa/0x20
      Aug 21 03:58:02 maximus kernel: [<ffffffff8109b5c0>] ? kthread+0x0/0xa0
      Aug 21 03:58:02 maximus kernel: [<ffffffff8100c240>] ? child_rip+0x0/0x20
      Aug 21 03:58:17 maximus kernel: LustreError: 11382:0:(file.c:184:ll_close_inode_openhandle()) lustre-clilmv-ffff880015c956b8: inode [0x200000401:0x32a:0x0] mdc
      close failed: rc = -13
      Aug 21 03:58:29 maximus kernel: LustreError: 17103:0:(file.c:184:ll_close_inode_openhandle()) lustre-clilmv-ffff880015c956b8: inode [0x200000402:0x61b:0x0] mdc
      close failed: rc = -13

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              • Assignee:
                emoly.liu Emoly Liu
                Reporter:
                maximus Ashish Purkar (Inactive)
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                • Created:
                  Updated:
                  Resolved: