WARNING: CPU: 8 PID: 0 at arch/x86/kernel/smpboot.c:376 topology_sane.isra.3+0x80/0x90
Issue
- The following warning message is logged with the call trace on boot on RHEL guest on VMware hypervisor:
[ 1.149422] ------------[ cut here ]------------
[ 1.149432] WARNING: CPU: 8 PID: 0 at arch/x86/kernel/smpboot.c:376 topology_sane.isra.3+0x80/0x90
[ 1.149433] sched: CPU #8's llc-sibling CPU #0 is not on the same node! [node: 1 != 0]. Ignoring dependency.
[ 1.148225] smpboot: Booting Node 1, Processors #8
[ 1.149434] Modules linked in:
[ 1.149436] CPU: 8 PID: 0 Comm: swapper/8 Not tainted 3.10.0-957.5.1.el7.x86_64 #1
[ 1.149437] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 04/05/2016
[ 1.149438] Call Trace:
[ 1.149445] [] dump_stack+0x19/0x1b
[ 1.149448] [] __warn+0xd8/0x100
[ 1.149450] [] warn_slowpath_fmt+0x5f/0x80
[ 1.149453] [] ? __mcheck_cpu_init_timer+0x4b/0x50
[ 1.149454] [] topology_sane.isra.3+0x80/0x90
[ 1.149456] [] set_cpu_sibling_map+0x172/0x5b0
[ 1.149457] [] start_secondary+0x121/0x270
[ 1.149460] [] start_cpu+0x5/0x14
[ 1.149462] ---[ end trace 54ffb545b2cc344c ]---
Environment
- Red Hat Enterprise Linux 7.6 (kernel-3.10.0-957.5.1.el7.x86_64)
- VMware hypervisor
- NUMA is enabled
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.