[LU-7411] conf-sanity test_21b: short description of the failure (genops.c:815:class_export_put()) ASSERTION( __v > 0 && __v < ((int)0x5a5a5a5a5a5a5a5a) ) failed: value: 0

• Type: Bug
• Resolution: Duplicate
• Priority: Minor
• Severity: 3
• Assignee: WC Triage
• Reporter: Maloo

Description

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

This issue relates to the following test suite run: https://testing.hpdd.intel.com/test_sets/c91381f4-82d9-11e5-93d9-5254006e85c2.

The sub-test test_21b failed with the following error:

test failed to respond and timed out

Please provide additional information about the failure here.

Info required for matching: conf-sanity 21b

The console log from MDT0002 showed:

{format}
05:48:20:Lustre: lustre-MDT0002 is waiting for obd_unlinked_exports more than 8 seconds. The obd refcount = 3. Is it stuck?
05:48:20:LustreError: 7390:0:(genops.c:815:class_export_put()) ASSERTION( __v > 0 && __v < ((int)0x5a5a5a5a5a5a5a5a) ) failed: value: 0
05:48:21:LustreError: 7390:0:(genops.c:815:class_export_put()) LBUG
05:48:22:Pid: 7390, comm: mdt00_002
05:48:22:
05:48:23:Call Trace:
05:48:23: [<ffffffffa046a875>] libcfs_debug_dumpstack+0x55/0x80 [libcfs]
05:48:23: [<ffffffffa046ae77>] lbug_with_loc+0x47/0xb0 [libcfs]
05:48:23: [<ffffffffa0569a21>] class_export_put+0x271/0x310 [obdclass]
05:48:23: [<ffffffffa0569c10>] obd_stale_export_put+0x150/0x290 [obdclass]
05:48:23: [<ffffffffa0569e71>] class_unlink_export+0x121/0x130 [obdclass]
05:48:24: [<ffffffffa05848e8>] class_decref+0x348/0x4c0 [obdclass]
05:48:24: [<ffffffffa04d1efc>] ? libcfs_nid2str_r+0x11c/0x140 [lnet]
05:48:24: [<ffffffffa07897ed>] target_handle_connect+0x23d/0x2ba0 [ptlrpc]
05:48:24: [<ffffffffa082fdc2>] tgt_request_handle+0x5a2/0x12e0 [ptlrpc]
05:48:24: [<ffffffffa07d79c1>] ptlrpc_main+0xe41/0x1910 [ptlrpc]
05:48:24: [<ffffffffa07d6b80>] ? ptlrpc_main+0x0/0x1910 [ptlrpc]
05:48:24: [<ffffffff810a0fce>] kthread+0x9e/0xc0
05:48:24: [<ffffffff8100c28a>] child_rip+0xa/0x20
05:48:24: [<ffffffff810a0f30>] ? kthread+0x0/0xc0
05:48:24: [<ffffffff8100c280>] ? child_rip+0x0/0x20
05:48:24:
05:48:24:Kernel panic - not syncing: LBUG{format}

Issue Links

• duplicates: LU-7221 replay-ost-single test_3: ASSERTION( __v > 0 && __v < ((int)0x5a5a5a5a5a5a5a5a) ) failed: value: 0