[LU-17059] BUG: unable to handle kernel paging request in osc_extent_put()

• Type: Bug
• Resolution: Unresolved
• Priority: Minor
• Severity: 3
• Assignee: WC Triage
• Reporter: Alex Zhuravlev

Description

[ 7065.812346] Lustre: DEBUG MARKER: == sanity test 226c: call path2fid and fid2path under remote dir with subdir mount ========================================================== 11:39:48 (1693309188)
[ 7066.097887] Lustre: Mounted lustre-client
[ 7066.958747] systemd[1]: mnt-submnt.mount: Succeeded.
[ 7067.025328] BUG: unable to handle kernel paging request at ffff8f75cb9be538
[ 7067.025564] PGD 224e01067 P4D 224e01067 PUD 339925067 PMD 3398c8067 PTE 800ffffd34641060
[ 7067.025724] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC
[ 7067.025830] CPU: 0 PID: 187571 Comm: ptlrpcd_00_00 Tainted: G        W  O     --------- -  - 4.18.0 #2
[ 7067.026018] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 7067.026151] RIP: 0010:do_raw_spin_trylock+0x0/0x40
[ 7067.026257] Code: 12 1e bb 86 48 89 df e8 be fe ff ff eb 8a 89 c6 48 89 df e8 12 e3 ff ff 66 90 eb 8b 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 <8b> 07 85 c0 75 0d ba 01 00 00 00 f0 0f b1 17 85 c0 74 03 31 c0 c3
[ 7067.026648] RSP: 0018:ffff8f75f5ebbb88 EFLAGS: 00010046
[ 7067.026752] RAX: 0000000000000001 RBX: ffff8f75cb9be550 RCX: 0000000000000001
[ 7067.026909] RDX: 0000000000000001 RSI: 00000000f6de3d3b RDI: ffff8f75cb9be538
[ 7067.027069] RBP: ffff8f75cb9be538 R08: ffff8f762ad05200 R09: ffff8f762ad051c8
[ 7067.030259] R10: 0000000000000000 R11: 00000000ffffffff R12: 0000000000000296
[ 7067.030415] R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000000
[ 7067.030570] FS:  0000000000000000(0000) GS:ffff8f762ca00000(0000) knlGS:0000000000000000
[ 7067.030724] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7067.030853] CR2: ffff8f75cb9be538 CR3: 000000031a054000 CR4: 00000000000006b0
[ 7067.031017] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7067.031170] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7067.031323] Call Trace:
[ 7067.031382]  _raw_spin_lock_irqsave+0x46/0x80
[ 7067.031491]  ? __wake_up_common_lock+0x4e/0x90
[ 7067.031596]  __wake_up_common_lock+0x4e/0x90
[ 7067.031716]  osc_extent_put+0x7a/0x200 [osc]
[ 7067.031832]  osc_extent_finish+0x450/0xa90 [osc]
[ 7067.031952]  ? brw_interpret+0xc91/0x2c30 [osc]
[ 7067.032066]  brw_interpret+0x506/0x2c30 [osc]
[ 7067.032232]  ptlrpc_check_set+0x52d/0x3180 [ptlrpc]
[ 7067.032378]  ptlrpcd+0x818/0xa00 [ptlrpc]
[ 7067.032465]  ? do_wait_intr_irq+0x80/0x80
[ 7067.032578]  ? ptlrpc_disconnect_import+0x940/0x940 [ptlrpc]
[ 7067.032715]  kthread+0x129/0x140