System encounters "Hard LOCKUP" while using MegaSR storage driver
Issue
System encounters "Hard LOCKUP" while using MegaSR storage driver:
[4061097.655236] Kernel panic - not syncing: Hard LOCKUP
[4061097.655249] CPU: 35 PID: 13855 Comm: jbd2/dm-8-8 Kdump: loaded Tainted: P W OE ------------ 3.10.0-957.27.2.el7.x86_64 #1
NAME TAINTS
megasr POE
PID: 13855 TASK: ffff96b20c186180 CPU: 35 COMMAND: "jbd2/dm-8-8"
#0 [ffff96e23dbc89f0] machine_kexec at ffffffff87a63b34
#1 [ffff96e23dbc8a50] __crash_kexec at ffffffff87b1e242
#2 [ffff96e23dbc8b20] panic at ffffffff8815d85b
#3 [ffff96e23dbc8ba0] nmi_panic at ffffffff87a9859f
#4 [ffff96e23dbc8bb0] watchdog_overflow_callback at ffffffff87b4a881
#5 [ffff96e23dbc8bc8] __perf_event_overflow at ffffffff87ba26b7
#6 [ffff96e23dbc8c00] perf_event_overflow at ffffffff87babd24
#7 [ffff96e23dbc8c10] intel_pmu_handle_irq at ffffffff87a0a850
#8 [ffff96e23dbc8e38] perf_event_nmi_handler at ffffffff8816d031
#9 [ffff96e23dbc8e58] nmi_handle at ffffffff8816e91c
#10 [ffff96e23dbc8eb0] do_nmi at ffffffff8816ebf8
#11 [ffff96e23dbc8ef0] end_repeat_nmi at ffffffff8816dd89
[exception RIP: native_queued_spin_lock_slowpath+344]
RIP: ffffffff87b13568 RSP: ffff96b22529bb50 RFLAGS: 00000002
RAX: 0000000000000101 RBX: ffff96b2395e3000 RCX: 0000000001190000
RDX: 0000000000110101 RSI: 0000000000000101 RDI: ffff96e239a31050
RBP: ffff96b22529bb50 R8: ffff96e23dbdb780 R9: 0000000000000000
R10: ffff96e239a310d8 R11: ffff96b5e4da7d40 R12: ffff96e239a31000
R13: ffff96b20a921330 R14: ffff96b5e4da7d40 R15: ffff96cef1055980
ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018
--- <NMI exception stack> ---
#12 [ffff96b22529bb50] native_queued_spin_lock_slowpath at ffffffff87b13568
#13 [ffff96b22529bb58] queued_spin_lock_slowpath at ffffffff8815e2cb
#14 [ffff96b22529bb68] _raw_spin_lock_irq at ffffffff8816c6a8
#15 [ffff96b22529bb78] scsi_request_fn at ffffffff87edc2ee
#16 [ffff96b22529bbe0] __blk_run_queue at ffffffff87d44e59
#17 [ffff96b22529bbf8] queue_unplugged at ffffffff87d44f1a
#18 [ffff96b22529bc30] blk_flush_plug_list at ffffffff87d48758
#19 [ffff96b22529bc90] blk_finish_plug at ffffffff87d48bc4
#20 [ffff96b22529bca8] jbd2_journal_commit_transaction at ffffffffc03caec6 [jbd2]
Environment
- Red Hat Enterprise Linux 7
- MegaSR storage driver
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.