System got crashed due to a hard lockup at 'lpfc_els_timeout_handler+296'
Issue
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System got crashed with following errors and vmcore dump:
Kernel panic - not syncing: Hard LOCKUP CPU: 8 PID: 942 Comm: lpfc_worker_2 Tainted: P W OE ------------ 3.10.0-693.2.2.el7.x86_64 #1 Hardware name: Cisco Systems Inc UCSC-C240-M4SX/UCSC-C240-M4SX, BIOS C240M4.3.0.3a.0.0321172111 03/21/2017 0000000000000000 00000000b5897051 ffff885eff605b18 ffffffff816a3db1 ffff885eff605b98 ffffffff8169dc74 0000000b00000010 ffff885eff605ba8 ffff885eff605b48 00000000b5897051 ffff885eff605b88 ffffffff8190ad13 Call Trace: <NMI> [<ffffffff816a3db1>] dump_stack+0x19/0x1b [<ffffffff8169dc74>] panic+0xe8/0x20d [<ffffffff8108771f>] nmi_panic+0x3f/0x40 [<ffffffff8112fa75>] watchdog_overflow_callback+0xf5/0x100 [<ffffffff8116e561>] __perf_event_overflow+0x51/0xf0 [<ffffffff811770b4>] perf_event_overflow+0x14/0x20 [<ffffffff81009f78>] intel_pmu_handle_irq+0x218/0x4f0 [<ffffffff81324ccc>] ? ioremap_page_range+0x26c/0x3d0 [<ffffffff811c0a04>] ? vunmap_page_range+0x1b4/0x300 [<ffffffff811c0b61>] ? unmap_kernel_range_noflush+0x11/0x20 [<ffffffff813da36e>] ? ghes_copy_tofrom_phys+0x10e/0x210 [<ffffffff813da510>] ? ghes_read_estatus+0xa0/0x190 [<ffffffff816ac0ab>] perf_event_nmi_handler+0x2b/0x50 [<ffffffff816ad467>] nmi_handle.isra.0+0x87/0x160 [<ffffffff816ad750>] do_nmi+0x210/0x450 [<ffffffff816ac913>] end_repeat_nmi+0x1e/0x2e [<ffffffffc044ea08>] ? lpfc_els_timeout_handler+0x128/0x3e0 [lpfc] [<ffffffffc044ea08>] ? lpfc_els_timeout_handler+0x128/0x3e0 [lpfc] [<ffffffffc044ea08>] ? lpfc_els_timeout_handler+0x128/0x3e0 [lpfc] <<EOE>> [<ffffffff811e0623>] ? __kmalloc+0x1e3/0x230 [<ffffffffc045af88>] lpfc_work_done+0x308/0x1520 [lpfc] [<ffffffff816a8fad>] ? __schedule+0x39d/0x8b0 [<ffffffffc045c210>] lpfc_do_work+0x70/0x1e0 [lpfc] [<ffffffff810b1910>] ? wake_up_atomic_t+0x30/0x30 [<ffffffffc045c1a0>] ? lpfc_work_done+0x1520/0x1520 [lpfc] [<ffffffff810b098f>] kthread+0xcf/0xe0 [<ffffffff810b08c0>] ? insert_kthread_work+0x40/0x40 [<ffffffff816b4f58>] ret_from_fork+0x58/0x90 [<ffffffff810b08c0>] ? insert_kthread_work+0x40/0x40 [...]
Environment
- Red Hat Enterprise Linux 7.4
kernel-3.10.0-693.2.2.el7Emulex LPe16002 SLI4 FC HBAlpfcdriver version:0:11.2.0.6
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