[LU-14402] LBUG: osd_write_commit() ASSERTION( !PageDirty(lnb[i].lnb_page) ) failed

• Type: Bug
• Resolution: Cannot Reproduce
• Priority: Major
• Affects Version/s: Lustre 2.14.0
• Severity: 3
• Assignee: WC Triage
• Reporter: Shaun Tancheff

Description

[ 6733.016726] perf: interrupt took too long (3163 > 3126), lowering kernel.perf_event_max_sample_rate to 63000
[ 6953.568157] LustreError: 29459:0:(osd_io.c:1558:osd_write_commit()) ASSERTION( !PageDirty(lnb[i].lnb_page) ) failed: 
[ 6953.579769] LustreError: 29459:0:(osd_io.c:1558:osd_write_commit()) LBUG
[ 6953.587203] Pid: 29459, comm: ll_ost_io00_523 3.10.0-957.1.3957.1.3.x3.4.37.x86_64 #1 SMP Mon Jan 13 18:26:28 PST 2020
[ 6953.598541] Call Trace:
[ 6953.601529]  [<ffffffffc11e862c>] libcfs_call_trace+0x8c/0xc0 [libcfs]
[ 6953.608765]  [<ffffffffc11e894c>] lbug_with_loc+0x4c/0xa0 [libcfs]
[ 6953.615539]  [<ffffffffc1dffcac>] osd_write_commit+0x52c/0x870 [osd_ldiskfs]
[ 6953.623529]  [<ffffffffc1c24769>] ofd_commitrw_write+0xde9/0x1480 [ofd]
[ 6953.630806]  [<ffffffffc1c2861d>] ofd_commitrw+0x2ad/0x9a0 [ofd]
[ 6953.637512]  [<ffffffffc171dac9>] tgt_brw_write+0xfd9/0x1cc0 [ptlrpc]
[ 6953.644747]  [<ffffffffc1719c4a>] tgt_request_handle+0x7ea/0x1750 [ptlrpc]
[ 6953.652474]  [<ffffffffc16bd136>] ptlrpc_server_handle_request+0x256/0xb10 [ptlrpc]
[ 6953.661074]  [<ffffffffc16c1c8c>] ptlrpc_main+0xb3c/0x14e0 [ptlrpc]
[ 6953.668522]  [<ffffffffba6c1c31>] kthread+0xd1/0xe0
[ 6953.674378]  [<ffffffffbad76c1d>] ret_from_fork_nospec_begin+0x7/0x21
[ 6953.681517]  [<ffffffffffffffff>] 0xffffffffffffffff
[ 6953.687422] Kernel panic - not syncing: LBUG
[ 6953.692298] CPU: 11 PID: 29459 Comm: ll_ost_io00_523 Kdump: loaded Tainted: P           OE  ------------   3.10.0-957.1.3957.1.3.x3.4.37.x86_64 #1
[ 6953.706675] Hardware name: Seagate Laguna Seca/Laguna Seca, BIOS v02.0040 06/29/2018
[ 6953.715123] Call Trace:
[ 6953.718301]  [<ffffffffbad63e41>] dump_stack+0x19/0x1b
[ 6953.724122]  [<ffffffffbad5d550>] panic+0xe8/0x21f
[ 6953.729700]  [<ffffffffc11e899b>] lbug_with_loc+0x9b/0xa0 [libcfs]
[ 6953.736628]  [<ffffffffc1dffcac>] osd_write_commit+0x52c/0x870 [osd_ldiskfs]
[ 6953.744395]  [<ffffffffc1c24769>] ofd_commitrw_write+0xde9/0x1480 [ofd]
[ 6953.751678]  [<ffffffffc1c2861d>] ofd_commitrw+0x2ad/0x9a0 [ofd]
[ 6953.758374]  [<ffffffffc171dac9>] tgt_brw_write+0xfd9/0x1cc0 [ptlrpc]
[ 6953.765463]  [<ffffffffba6db748>] ? __enqueue_entity+0x78/0x80
[ 6953.771941]  [<ffffffffba6e236f>] ? enqueue_entity+0x2ef/0xbe0
[ 6953.778575]  [<ffffffffc16d6d97>] ? __req_capsule_get+0x427/0x6b0 [ptlrpc]
[ 6953.786210]  [<ffffffffc1719c4a>] tgt_request_handle+0x7ea/0x1750 [ptlrpc]
[ 6953.793817]  [<ffffffffc16f3bc1>] ? ptlrpc_nrs_req_get_nolock0+0xd1/0x170 [ptlrpc]
[ 6953.802150]  [<ffffffffc11e502e>] ? ktime_get_real_seconds+0xe/0x10 [libcfs]
[ 6953.809942]  [<ffffffffc16bd136>] ptlrpc_server_handle_request+0x256/0xb10 [ptlrpc]
[ 6953.818313]  [<ffffffffba6cec64>] ? __wake_up+0x44/0x50
[ 6953.824396]  [<ffffffffc16c1c8c>] ptlrpc_main+0xb3c/0x14e0 [ptlrpc]
[ 6953.831440]  [<ffffffffc16c1150>] ? ptlrpc_register_service+0xf90/0xf90 [ptlrpc]
[ 6953.839649]  [<ffffffffba6c1c31>] kthread+0xd1/0xe0
[ 6953.845394]  [<ffffffffba6c1b60>] ? insert_kthread_work+0x40/0x40
[ 6953.852303]  [<ffffffffbad76c1d>] ret_from_fork_nospec_begin+0x7/0x21
[ 6953.859587]  [<ffffffffba6c1b60>] ? insert_kthread_work+0x40/0x40
(END)

Issue Links

• is related to: LU-14640 ASSERTION( !PageDirty(lnb[i].lnb_page) in osd_write_commit()