[LU-1697] Test failure on test suite parallel-scale-nfsv3, subtest test_compilebench

• Type: Bug
• Resolution: Fixed
• Priority: Blocker
• Fix Version/s: Lustre 2.3.0
• Affects Version/s: Lustre 2.3.0
• Severity: 3
• Assignee: nasf (Inactive)
• Reporter: Maloo

Description

This issue was created by maloo for sarah <[e-mail]>

This issue relates to the following test suite run: https://maloo.whamcloud.com/test_sets/7507a092-dbc3-11e1-81e3-52540035b04c.

The sub-test test_compilebench failed with the following error:

test failed to respond and timed out

21:39:19:Lustre: DEBUG MARKER: == parallel-scale-nfsv3 test compilebench: compilebench == 21:39:17 (1343795957)
21:39:19:Lustre: DEBUG MARKER: /usr/sbin/lctl mark .\/compilebench -D \/mnt\/lustre\/d0.compilebench -i 4         -r 4 --makej
21:39:19:Lustre: DEBUG MARKER: ./compilebench -D /mnt/lustre/d0.compilebench -i 4 -r 4 --makej
21:39:20:LustreError: 8175:0:(mdd_lov.c:464:mdd_lov_create()) ASSERTION( parent != ((void *)0) ) failed: 
21:39:20:LustreError: 8175:0:(mdd_lov.c:464:mdd_lov_create()) LBUG
21:39:20:Pid: 8175, comm: mdt00_002
21:39:21:
21:39:21:Call Trace:
21:39:21: [<ffffffffa0ccb905>] libcfs_debug_dumpstack+0x55/0x80 [libcfs]
21:39:21: [<ffffffffa0ccbf17>] lbug_with_loc+0x47/0xb0 [libcfs]
21:39:21: [<ffffffffa09d678a>] mdd_lov_create+0x1e2a/0x2030 [mdd]
21:39:21: [<ffffffffa09dd54d>] mdd_create_data+0x2ed/0x550 [mdd]
21:39:21: [<ffffffffa06837e6>] ? __req_capsule_get+0x176/0x750 [ptlrpc]
21:39:21: [<ffffffffa0ada437>] cml_create_data+0x97/0x200 [cmm]
21:39:21: [<ffffffffa0a5e26d>] mdt_finish_open+0x124d/0x1790 [mdt]
21:39:21: [<ffffffffa0a5fae6>] mdt_open_by_fid+0x2e6/0x410 [mdt]
21:39:21: [<ffffffffa0a5feeb>] mdt_reint_open+0x2db/0x18a0 [mdt]
21:39:21: [<ffffffffa09e8e4e>] ? md_ucred+0x1e/0x60 [mdd]
21:39:21: [<ffffffffa0a2e235>] ? mdt_ucred+0x15/0x20 [mdt]
21:39:21: [<ffffffffa0a4597c>] ? mdt_root_squash+0x2c/0x3e0 [mdt]
21:39:21: [<ffffffffa06837e6>] ? __req_capsule_get+0x176/0x750 [ptlrpc]
21:39:21: [<ffffffffa06575a6>] ? lustre_pack_reply_flags+0xb6/0x210 [ptlrpc]
21:39:22: [<ffffffffa0a4a281>] mdt_reint_rec+0x41/0xe0 [mdt]
21:39:22: [<ffffffffa0a43ada>] mdt_reint_internal+0x50a/0x810 [mdt]
21:39:22: [<ffffffffa0a440ad>] mdt_intent_reint+0x1ed/0x500 [mdt]
21:39:22: [<ffffffffa0a402c1>] mdt_intent_policy+0x371/0x6a0 [mdt]
21:39:22: [<ffffffffa060f881>] ldlm_lock_enqueue+0x361/0x8f0 [ptlrpc]
21:39:22: [<ffffffffa063773f>] ldlm_handle_enqueue0+0x48f/0xf70 [ptlrpc]
21:39:22: [<ffffffffa0a40636>] mdt_enqueue+0x46/0x130 [mdt]
21:39:22: [<ffffffffa0a37932>] mdt_handle_common+0x922/0x1740 [mdt]
21:39:22: [<ffffffffa0a38825>] mdt_regular_handle+0x15/0x20 [mdt]
21:39:22: [<ffffffffa066778d>] ptlrpc_server_handle_request+0x40d/0xea0 [ptlrpc]
21:39:22: [<ffffffffa0ccc65e>] ? cfs_timer_arm+0xe/0x10 [libcfs]
21:39:22: [<ffffffffa065ec17>] ? ptlrpc_wait_event+0xa7/0x2a0 [ptlrpc]
21:39:22: [<ffffffff81051ba3>] ? __wake_up+0x53/0x70
21:39:22: [<ffffffffa0668d79>] ptlrpc_main+0xb59/0x1860 [ptlrpc]
21:39:22: [<ffffffffa0668220>] ? ptlrpc_main+0x0/0x1860 [ptlrpc]
21:39:22: [<ffffffff8100c14a>] child_rip+0xa/0x20
21:39:22: [<ffffffffa0668220>] ? ptlrpc_main+0x0/0x1860 [ptlrpc]
21:39:23: [<ffffffffa0668220>] ? ptlrpc_main+0x0/0x1860 [ptlrpc]
21:39:23: [<ffffffff8100c140>] ? child_rip+0x0/0x20
21:39:24:
21:39:24:Kernel panic - not syncing: LBUG
21:39:24:Pid: 8175, comm: mdt00_002 Not tainted 2.6.32-220.17.1.el6_lustre.x86_