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  1. Lustre
  2. LU-627

LBUG: (lproc_llite.c:852:lprocfs_register_mountpoint()) ASSERTION(obd != NULL) failed

    Details

    • Severity:
      3
    • Rank (Obsolete):
      5721

      Description

      While running conf-sanity test 24a, the following LBUG occurred on Lustre client (client-1-ib):

      Lustre: DEBUG MARKER: == conf-sanity test 24a: Multiple MDTs on a single node == 20:12:46 (1314155566)
      Lustre: 8366:0:(sec.c:1474:sptlrpc_import_sec_adapt()) import MGC192.168.4.134@o2ib->MGC192.168.4.134@o2ib_0 netid 50000: select flavor null
      LustreError: 152-6: Ignoring deprecated mount option 'acl'.
      Lustre: MGC192.168.4.134@o2ib: Reactivating import
      Lustre: 8366:0:(sec.c:1474:sptlrpc_import_sec_adapt()) import lustre-MDT0000-mdc-ffff880312bde000->192.168.4.134@o2ib netid 50000: select flavor null
      LustreError: 11-0: an error occurred while communicating with 192.168.4.134@o2ib. The mds_connect operation failed with -11
      LustreError: 11-0: an error occurred while communicating with 192.168.4.134@o2ib. The mds_connect operation failed with -11
      Lustre: 8366:0:(sec.c:1474:sptlrpc_import_sec_adapt()) import lustre-OST0000-osc-ffff880312bde000->192.168.4.135@o2ib netid 50000: select flavor null
      Lustre: Client lustre-client has started
      Lustre: 8389:0:(debug.c:326:libcfs_debug_str2mask()) You are trying to use a numerical value for the mask - this will be deprecated in a future release.
      LustreError: 8471:0:(lproc_llite.c:852:lprocfs_register_mountpoint()) ASSERTION(obd != NULL) failed
      LustreError: 8471:0:(lproc_llite.c:852:lprocfs_register_mountpoint()) LBUG
      Pid: 8471, comm: mount.lustre
      
      Call Trace:
       [<ffffffffa0977855>] libcfs_debug_dumpstack+0x55/0x80 [libcfs]
       [<ffffffffa0977e95>] lbug_with_loc+0x75/0xe0 [libcfs]
       [<ffffffffa0982d76>] libcfs_assertion_failed+0x66/0x70 [libcfs]
       [<ffffffffa07460ea>] lprocfs_register_mountpoint+0xbaa/0xbb0 [lustre]
       [<ffffffffa0a32840>] ? lprocfs_rd_uuid+0x0/0x80 [obdclass]
       [<ffffffff81098a1a>] ? do_gettimeofday+0x1a/0x50
       [<ffffffffa073628e>] client_common_fill_super+0x1ae/0x5720 [lustre]
       [<ffffffff8126c9e8>] ? vsnprintf+0x198/0x5f0
       [<ffffffff8126ce80>] ? sprintf+0x40/0x50
       [<ffffffffa073c353>] ll_fill_super+0xb53/0x1580 [lustre]
       [<ffffffffa0a5a34a>] lustre_fill_super+0x10a/0x1280 [obdclass]
       [<ffffffff811753e9>] ? sget+0x3f9/0x490
       [<ffffffff81174420>] ? set_anon_super+0x0/0x100
       [<ffffffffa0a5a240>] ? lustre_fill_super+0x0/0x1280 [obdclass]
       [<ffffffff8117592f>] get_sb_nodev+0x5f/0xa0
       [<ffffffffa0a4b275>] lustre_get_sb+0x25/0x30 [obdclass]
       [<ffffffff8117558b>] vfs_kern_mount+0x7b/0x1b0
       [<ffffffff81175732>] do_kern_mount+0x52/0x130
       [<ffffffff81193207>] do_mount+0x2e7/0x870
       [<ffffffff81193820>] sys_mount+0x90/0xe0
       [<ffffffff8100b172>] system_call_fastpath+0x16/0x1b
      
      Kernel panic - not syncing: LBUG
      Pid: 8471, comm: mount.lustre Tainted: G           ---------------- T 2.6.32-131.6.1.el6.x86_64 #1
      Call Trace:
       [<ffffffff814da518>] ? panic+0x78/0x143
       [<ffffffffa0977eeb>] ? lbug_with_loc+0xcb/0xe0 [libcfs]
       [<ffffffffa0982d76>] ? libcfs_assertion_failed+0x66/0x70 [libcfs]
       [<ffffffffa07460ea>] ? lprocfs_register_mountpoint+0xbaa/0xbb0 [lustre]
       [<ffffffffa0a32840>] ? lprocfs_rd_uuid+0x0/0x80 [obdclass]
       [<ffffffff81098a1a>] ? do_gettimeofday+0x1a/0x50
       [<ffffffffa073628e>] ? client_common_fill_super+0x1ae/0x5720 [lustre]
       [<ffffffff8126c9e8>] ? vsnprintf+0x198/0x5f0
       [<ffffffff8126ce80>] ? sprintf+0x40/0x50
       [<ffffffffa073c353>] ? ll_fill_super+0xb53/0x1580 [lustre]
       [<ffffffffa0a5a34a>] ? lustre_fill_super+0x10a/0x1280 [obdclass]
       [<ffffffff811753e9>] ? sget+0x3f9/0x490
       [<ffffffff81174420>] ? set_anon_super+0x0/0x100
       [<ffffffffa0a5a240>] ? lustre_fill_super+0x0/0x1280 [obdclass]
       [<ffffffff8117592f>] ? get_sb_nodev+0x5f/0xa0
       [<ffffffffa0a4b275>] ? lustre_get_sb+0x25/0x30 [obdclass]
       [<ffffffff8117558b>] ? vfs_kern_mount+0x7b/0x1b0
       [<ffffffff81175732>] ? do_kern_mount+0x52/0x130
       [<ffffffff81193207>] ? do_mount+0x2e7/0x870
       [<ffffffff81193820>] ? sys_mount+0x90/0xe0
       [<ffffffff8100b172>] ? system_call_fastpath+0x16/0x1b
      

      Maloo report: https://maloo.whamcloud.com/test_sets/6d906f52-ce0d-11e0-8d02-52540025f9af

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              • Assignee:
                rread Robert Read (Inactive)
                Reporter:
                yujian Jian Yu
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                Dates

                • Created:
                  Updated:
                  Resolved: