[LU-9806] tgt_client_free()) ASSERTION( lut && lut->lut_client_bitmap ) failed

• Type: Bug
• Resolution: Fixed
• Priority: Major
• Fix Version/s: Lustre 2.16.0
• Affects Version/s: Lustre 2.12.0, Lustre 2.13.0
• Severity: 3
• Assignee: Alex Zhuravlev
• Reporter: Oleg Drokin

Description

This seems to be a return of LU-7430 and a few other similar bugs, but happening on current master.

[291606.098200] Lustre: DEBUG MARKER: == replay-ost-single test 7: Fail OST before obd_destroy ============================================= 23:53:41 (1501300421)
[291616.783248] Lustre: DEBUG MARKER: before: 623720 after_dd: 618600 took 1 seconds
[291617.134646] LustreError: 28072:0:(osd_handler.c:2184:osd_ro()) *** setting lustre-OST0000 read-only ***
[291617.152901] Turning device loop1 (0x700001) read-only
[291617.224927] Lustre: DEBUG MARKER: ost1 REPLAY BARRIER on lustre-OST0000
[291617.277436] Lustre: DEBUG MARKER: local REPLAY BARRIER on lustre-OST0000
[291617.590847] Lustre: Failing over lustre-OST0000
[291617.601802] LustreError: 22375:0:(tgt_lastrcvd.c:440:tgt_client_free()) ASSERTION( lut && lut->lut_client_bitmap ) failed: 
[291617.602975] LustreError: 22375:0:(tgt_lastrcvd.c:440:tgt_client_free()) LBUG
[291617.603578] Pid: 22375, comm: obd_zombid
[291617.604096] 
Call Trace:
[291617.606669]  [<ffffffffa02857ce>] libcfs_call_trace+0x4e/0x60 [libcfs]
[291617.607349]  [<ffffffffa028585c>] lbug_with_loc+0x4c/0xb0 [libcfs]
[291617.608122]  [<ffffffffa05ddde2>] tgt_client_free+0x2a2/0x360 [ptlrpc]
[291617.608814]  [<ffffffffa0db5b12>] ofd_destroy_export+0x62/0x180 [ofd]
[291617.609551]  [<ffffffffa0389239>] obd_zombie_impexp_cull+0x549/0x920 [obdclass]
[291617.622563]  [<ffffffffa038967d>] obd_zombie_impexp_thread+0x6d/0x1c0 [obdclass]
[291617.628967]  [<ffffffff810b7cc0>] ? default_wake_function+0x0/0x20
[291617.629676]  [<ffffffffa0389610>] ? obd_zombie_impexp_thread+0x0/0x1c0 [obdclass]
[291617.631230]  [<ffffffff810a2eba>] kthread+0xea/0xf0
[291617.631906]  [<ffffffff810a2dd0>] ? kthread+0x0/0xf0
[291617.632572]  [<ffffffff8170fb98>] ret_from_fork+0x58/0x90
[291617.633236]  [<ffffffff810a2dd0>] ? kthread+0x0/0xf0
[291617.639601] 
[291617.640036] Kernel panic - not syncing: LBUG
[291617.640462] CPU: 4 PID: 22375 Comm: obd_zombid Tainted: P           OE  ------------   3.10.0-debug #2
[291617.641354] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
[291617.641830]  ffffffffa02a4ed2 0000000025d32961 ffff8800a16b3cc0 ffffffff816fd3e4
[291617.642712]  ffff8800a16b3d40 ffffffff816f8c34 ffffffff00000008 ffff8800a16b3d50
[291617.644582]  ffff8800a16b3cf0 0000000025d32961 0000000025d32961 ffff88033e48d948
[291617.645811] Call Trace:
[291617.646408]  [<ffffffff816fd3e4>] dump_stack+0x19/0x1b
[291617.647142]  [<ffffffff816f8c34>] panic+0xd8/0x1e7
[291617.647765]  [<ffffffffa0285874>] lbug_with_loc+0x64/0xb0 [libcfs]
[291617.648540]  [<ffffffffa05ddde2>] tgt_client_free+0x2a2/0x360 [ptlrpc]
[291617.649224]  [<ffffffffa0db5b12>] ofd_destroy_export+0x62/0x180 [ofd]
[291617.649911]  [<ffffffffa0389239>] obd_zombie_impexp_cull+0x549/0x920 [obdclass]
[291617.651165]  [<ffffffffa038967d>] obd_zombie_impexp_thread+0x6d/0x1c0 [obdclass]
[291617.652377]  [<ffffffff810b7cc0>] ? wake_up_state+0x20/0x20
[291617.653065]  [<ffffffffa0389610>] ? obd_zombie_impexp_cull+0x920/0x920 [obdclass]
[291617.654285]  [<ffffffff810a2eba>] kthread+0xea/0xf0
[291617.654920]  [<ffffffff810a2dd0>] ? kthread_create_on_node+0x140/0x140
[291617.655610]  [<ffffffff8170fb98>] ret_from_fork+0x58/0x90
[291617.656262]  [<ffffffff810a2dd0>] ? kthread_create_on_node+0x140/0x140

Crasydump on onyx-68 in /exports/crashdumps/192.168.123.181-2017-07-28-23:53:59
Modules also there.

Issue Links

• is duplicated by: LU-11232 replay-ost-single test_0b: BUG: unable to handle kernel NULL pointer dereference