Crash kernel - unchecked MSR access error

[salted]

I have just had an unusual crash on one of our servers running in the cloud.
We have not seen this one before. CPU wasn’t under any pressure.

Any thoughts?

Rocky Linux release 8.7 (Green Obsidian)

Kernel
4.18.0-425.10.1.el8_7.x86_64

[Tue Oct 8 04:27:33 2024] Command line: BOOT_IMAGE=(hd0,msdos1)/vmlinuz-4.18.0-425.10.1.el8_7.x86_64 root=/dev/mapper/vg00-lv_root ro crashkernel=auto rd.lvm.lv=vg00/lv_root rhgb quiet ipv6.disable=1
[Tue Oct 8 04:27:33 2024] unchecked MSR access error: WRMSR to 0xda0 (tried to write 0x0000000000000000) at rIP: 0xffffffffb0a71234 (native_write_msr+0x4/0x20)
[Tue Oct 8 04:27:33 2024] Call Trace:
[Tue Oct 8 04:27:33 2024] ? fpu__init_cpu_xstate+0xcf/0xe0
[Tue Oct 8 04:27:33 2024] ? fpu__init_system_xstate+0x1b6/0xa89
[Tue Oct 8 04:27:33 2024] ? 0xffffffffb0a00000
[Tue Oct 8 04:27:33 2024] ? fpu__init_system+0x149/0x192
[Tue Oct 8 04:27:33 2024] ? early_identify_cpu.constprop.14+0x3b1/0x3d7
[Tue Oct 8 04:27:33 2024] ? setup_arch+0xe0/0xdea
[Tue Oct 8 04:27:33 2024] ? printk+0x58/0x73
[Tue Oct 8 04:27:33 2024] ? start_kernel+0x63/0x546
[Tue Oct 8 04:27:33 2024] ? x86_family+0x5/0x30
[Tue Oct 8 04:27:33 2024] ? load_ucode_bsp+0x76/0x132
[Tue Oct 8 04:27:33 2024] ? secondary_startup_64_no_verify+0xc2/0xcb

[jbkt23]

Seems like there are a lot of hits if you google the term:

unchecked MSR access error: WRMSR to 0xda0

It may be hardware specific or a kvm definition arg.

[salted]

Yea Ive checked most of them. I guess my issue is we run in the cloud and I dont have that type of access to the backend. This is the first instance of this issue I have seen so im kind of hoping it’s not something that will become more prominent. I will log a ticket with the cloud provider but not holding out much hope.

Thanks for reply.