虚机运行时重启主机容易panic

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已于 2023-03-08 10:37:49 修改 · 1.7k 阅读

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#kernel #虚拟机

于 2021-09-26 11:26:56 首次发布

一：问题描述

最近有遇到重启主机时产生panic的情况，异常的堆栈如下：

[2847164.482478] kvm: exiting hardware virtualization
[2847164.482504] kvm: exiting hardware virtualization
[2847164.482528] ------------[ cut here ]------------
[2847164.482530] kernel BUG at /root/kvm/source/x86/x86.c:388!
[2847164.482554] invalid opcode: 0000 [#1] SMP NOPTI
[2847164.482569] CPU: 37 PID: 2538414 Comm: CPU 22/KVM Kdump: loaded Tainted: G           OE     4.19.117.bsk.5-amd64 #4.19.117.bsk.5
[2847164.482598] Hardware name: FOXCONN R-5111/GROOT, BIOS IC1B123F 07/16/2020
[2847164.482635] RIP: 0010:kvm_spurious_fault+0x5/0x10 [kvm_intel_0]
[2847164.482652] Code: 41 5c 41 5d 41 5e c3 5b b8 01 00 00 00 5d 41 5c 41 5d 41 5e c3 b8 00 04 00 00 e9 7c ff ff ff 66 0f 1f 44 00 00 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 45 31 c0 31 c9 31
[2847164.482695] RSP: 0018:ffffbcf877c77cf0 EFLAGS: 00010046
[2847164.482710] RAX: 0000000000000000 RBX: ffff9546d35d0000 RCX: ffff9546cb23b000
[284716