strange unexpected reboot of node

tauceti

New Member
May 11, 2021
20
4
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Hi,

the last two days I had unexplainable reboots of my proxmox server. I didn't find anything in the logs...
reboot startet around 05:36 suddenly.
It is a netcup VPS but in the logs there and in the cloud cockpit there is no reboot...And server is listed up there for > 2 days when I started it.

Can you please help to check what is happening and where I can further look into?
reboot.PNGreboot2.PNGserver.PNGsyslog.PNGauthlog.PNG
Thanks!
 

tauceti

New Member
May 11, 2021
20
4
3
39
Interesting Thanks! Well my server is a VPS server and lscpi says:
proxmox:~$ lspci
00:00.0 Host bridge: Intel Corporation 440FX - 82441FX PMC [Natoma] (rev 02)
00:01.0 ISA bridge: Intel Corporation 82371SB PIIX3 ISA [Natoma/Triton II]
00:01.1 IDE interface: Intel Corporation 82371SB PIIX3 IDE [Natoma/Triton II]
00:01.2 USB controller: Intel Corporation 82371SB PIIX3 USB [Natoma/Triton II] (rev 01)
00:01.3 Bridge: Intel Corporation 82371AB/EB/MB PIIX4 ACPI (rev 03)
00:02.0 VGA compatible controller: Device 1234:1111 (rev 02)
00:03.0 Ethernet controller: Red Hat, Inc. Virtio network device
00:04.0 Ethernet controller: Red Hat, Inc. Virtio network device
00:1c.0 Communication controller: Red Hat, Inc. Virtio console
00:1d.0 SCSI storage controller: Red Hat, Inc. Virtio SCSI
00:1e.0 Unclassified device [00ff]: Red Hat, Inc. Virtio memory balloon
 

tauceti

New Member
May 11, 2021
20
4
3
39
well now I have my system running since 4 days without reboot. Strange though. I didn’t change anything but did a complete shutdown of the VPS and restart.
 

tauceti

New Member
May 11, 2021
20
4
3
39
:( now I get sudden reboots again...anyone of the admin staff can help here please?

-Where does the sudden -- Reboot -- in the logs come from? I don't see it myself in the syslog only in proxmox UI.
-Is this reboot coming from proxmox?
-Where can I find further information on what triggered this reboot?

Thanks!
 

floerke

New Member
Oct 19, 2021
2
0
1
48
Similar issue: https://forum.proxmox.com/threads/amd-epyc-based-systems-rebooting.54381/#post-422754

Same here:
* Latest proxmox
Code:
proxmox-ve: 7.0-2 (running kernel: 5.11.22-4-pve)
pve-manager: 7.0-11 (running version: 7.0-11/63d82f4e)
pve-kernel-5.11: 7.0-7
...
* Running on AMD EPYC
* "stress" and "memtest" ok
* no cluster or ha
* Randomly rebooting without any notices in the log files


Special here:
* Running as a kvm machine

I am out of ideas where to look and what to change. I followed many ways to get more information whats happening and changed many thigs. No luck yet.

I am able to provide any information you are interested in and I would be happy for any idea.
 

tauceti

New Member
May 11, 2021
20
4
3
39
Thanks for your reply. I had contact with my VPS provider netcup and they changed the hosting machine to another/migrated my VPS to another host but again with Epyc I think. They said that they cannot do more and don’t Support Proxmox. The reboots got less but I still have them occasionally. They also use Epyc so I think it is indeed a hardware Problem.
 

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