A soft lockup happens on a CPU on which a task is running userspace code. Most likely, hypervisor overcommitment is the cause

Solution Verified - Updated -

Issue

  • A soft lockup happens on a CPU on which a task is running userspace code. Most likely, hypervisor overcommitment is the cause
[14155081.429745] CPU: 4 PID: 46771 Comm: pmdtm Kdump: loaded Tainted: P            E  ------------   3.10.0-1160.88.1.el7.x86_64 #1
[14155081.429746] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 12/12/2018
[14155081.429749] task: ffff8dd91975a100 ti: ffff8dd1c786c000 task.ti: ffff8dd1c786c000
[14155081.429751] RIP: 0033:[<00002b29efb88731>]  [<00002b29efb88731>] 0x2b29efb88731
[14155081.429757] RSP: 002b:00002b2c9914ba10  EFLAGS: 00000202
[14155081.429758] RAX: 00002b2accc5db38 RBX: 00002b1f2ade5e20 RCX: 0000000000000000
[14155081.429759] RDX: 00002b2c9914c050 RSI: 00002b2c9914c668 RDI: 00002b2c9914bd18
[14155081.429760] RBP: 00002b2accc5db49 R08: 00002b2acd077f1a R09: 0000000000000074
[14155081.429761] R10: 00002b2accc5db39 R11: 00002b29e178ef90 R12: ffff8ddebe7061e8
[14155081.429763] R13: 0000000000000000 R14: 00002b1f2adff878 R15: 000000000076f000
[14155081.429765] FS:  00002b2c9914f700(0000) GS:ffff8ddebe700000(0000) knlGS:0000000000000000
[14155081.429767] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[14155081.429768] CR2: 00007f915ca0e000 CR3: 0000000656d90000 CR4: 00000000001607e0
[14155081.429790] 
[14155081.429792] Kernel panic - not syncing: softlockup: hung tasks
[14155081.430064] CPU: 4 PID: 46771 Comm: pmdtm Kdump: loaded Tainted: P            EL ------------   3.10.0-1160.88.1.el7.x86_64 #1
[14155081.480055] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 12/12/2018
[14155081.480412] Call Trace:
[14155081.480729]  <IRQ>  [<ffffffff905b1bec>] dump_stack+0x19/0x1f
[14155081.481366]  [<ffffffff905ab708>] panic+0xe8/0x21f
[14155081.481706]  [<ffffffff8ff5706a>] watchdog_timer_fn+0x20a/0x220
[14155081.482201]  [<ffffffff8ff56e60>] ? watchdog+0x50/0x50
[14155081.482546]  [<ffffffff8fecfb1e>] __hrtimer_run_queues+0x10e/0x270
[14155081.482906]  [<ffffffff8fed00af>] hrtimer_interrupt+0xaf/0x1e0
[14155081.483258]  [<ffffffff8fe5fa3b>] local_apic_timer_interrupt+0x3b/0x70
[14155081.483620]  [<ffffffff905ca053>] smp_apic_timer_interrupt+0x43/0x60
[14155081.483974]  [<ffffffff905c63f2>] apic_timer_interrupt+0x172/0x180

Environment

  • Red Hat Enterprise Linux 7.9.z
  • VMware vSphere ESXi

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