unexpected reboot - 1 node, no cluster

V

vamp

Active Member
Jun 24, 2017
19
2
43
37
Hello there,

I use one node Proxmox, no cluster or anything else. I not install any external app on base system, it is a full clean install.

The system today is suddenly reboot. I found only this on syslog:

Bash: 
Oct 26 23:30:00 pve systemd[1]: Starting Proxmox VE replication runner...
Oct 26 23:30:01 pve systemd[1]: pvesr.service: Succeeded.
Oct 26 23:30:01 pve systemd[1]: Started Proxmox VE replication runner.
Oct 26 23:31:00 pve systemd[1]: Starting Proxmox VE replication runner...
Oct 26 23:31:01 pve systemd[1]: pvesr.service: Succeeded.
Oct 26 23:31:01 pve systemd[1]: Started Proxmox VE replication runner.
Oct 26 23:32:00 pve systemd[1]: Starting Proxmox VE replication runner...
Oct 26 23:32:02 pve systemd[1]: pvesr.service: Succeeded.
Oct 26 23:32:02 pve systemd[1]: Started Proxmox VE replication runner.
Oct 26 23:33:00 pve systemd[1]: Starting Proxmox VE replication runner...
Oct 26 23:33:01 pve systemd[1]: pvesr.service: Succeeded.
Oct 26 23:33:01 pve systemd[1]: Started Proxmox VE replication runner.
Oct 26 23:34:00 pve systemd[1]: Starting Proxmox VE replication runner...
Oct 26 23:34:01 pve systemd[1]: pvesr.service: Succeeded.
Oct 26 23:34:01 pve systemd[1]: Started Proxmox VE replication runner.
Oct 26 23:35:00 pve systemd[1]: Starting Proxmox VE replication runner...
Oct 26 23:35:01 pve systemd[1]: pvesr.service: Succeeded.
Oct 26 23:35:01 pve systemd[1]: Started Proxmox VE replication runner.
Oct 26 23:36:00 pve systemd[1]: Starting Proxmox VE replication runner...
Oct 26 23:36:01 pve systemd[1]: pvesr.service: Succeeded.
Oct 26 23:36:01 pve systemd[1]: Started Proxmox VE replication runner.
Oct 26 23:37:00 pve systemd[1]: Starting Proxmox VE replication runner...
Oct 26 23:37:01 pve systemd[1]: pvesr.service: Succeeded.
Oct 26 23:37:01 pve systemd[1]: Started Proxmox VE replication runner.
Oct 26 23:38:00 pve systemd[1]: Starting Proxmox VE replication runner...
Oct 26 23:38:02 pve systemd[1]: pvesr.service: Succeeded.
Oct 26 23:38:02 pve systemd[1]: Started Proxmox VE replication runner.
Oct 26 23:39:00 pve systemd[1]: Starting Proxmox VE replication runner...
Oct 26 23:39:01 pve systemd[1]: pvesr.service: Succeeded.
Oct 26 23:39:01 pve systemd[1]: Started Proxmox VE replication runner.
Oct 26 23:40:00 pve systemd[1]: Starting Proxmox VE replication runner...
Oct 26 23:40:01 pve systemd[1]: pvesr.service: Succeeded.
Oct 26 23:40:01 pve systemd[1]: Started Proxmox VE replication runner.
Oct 26 23:41:00 pve systemd[1]: Starting Proxmox VE replication runner...
Oct 26 23:41:02 pve systemd[1]: pvesr.service: Succeeded.
Oct 26 23:41:02 pve systemd[1]: Started Proxmox VE replication runner.
Oct 26 23:42:00 pve systemd[1]: Starting Proxmox VE replication runner...
Oct 26 23:42:01 pve systemd[1]: pvesr.service: Succeeded.
Oct 26 23:42:01 pve systemd[1]: Started Proxmox VE replication runner.
Oct 26 23:43:00 pve systemd[1]: Starting Proxmox VE replication runner...
Oct 26 23:43:01 pve systemd[1]: pvesr.service: Succeeded.
Oct 26 23:43:01 pve systemd[1]: Started Proxmox VE replication runner.
Oct 26 23:44:00 pve systemd[1]: Starting Proxmox VE replication runner...
Oct 26 23:44:02 pve systemd[1]: pvesr.service: Succeeded.
Oct 26 23:44:02 pve systemd[1]: Started Proxmox VE replication runner.
Oct 26 23:45:00 pve systemd[1]: Starting Proxmox VE replication runner...
Oct 26 23:45:01 pve systemd[1]: pvesr.service: Succeeded.
Oct 26 23:45:01 pve systemd[1]: Started Proxmox VE replication runner.
Oct 26 23:46:00 pve systemd[1]: Starting Proxmox VE replication runner...
Oct 26 23:46:01 pve systemd[1]: pvesr.service: Succeeded.
Oct 26 23:46:01 pve systemd[1]: Started Proxmox VE replication runner.
Oct 26 23:47:00 pve systemd[1]: Starting Proxmox VE replication runner...
Oct 26 23:47:01 pve systemd[1]: pvesr.service: Succeeded.
Oct 26 23:47:01 pve systemd[1]: Started Proxmox VE replication runner.
Oct 26 23:48:00 pve systemd[1]: Starting Proxmox VE replication runner...
Oct 26 23:48:01 pve systemd[1]: pvesr.service: Succeeded.
Oct 26 23:48:01 pve systemd[1]: Started Proxmox VE replication runner.
Oct 26 23:49:00 pve systemd[1]: Starting Proxmox VE replication runner...
Oct 26 23:49:02 pve systemd[1]: pvesr.service: Succeeded.
Oct 26 23:49:02 pve systemd[1]: Started Proxmox VE replication runner.
Oct 26 23:51:18 pve systemd-modules-load[374]: Inserted module 'iscsi_tcp'
Oct 26 23:51:18 pve dmeventd[398]: dmeventd ready for processing.
Oct 26 23:51:18 pve systemd-modules-load[374]: Inserted module 'ib_iser'
Oct 26 23:51:18 pve kernel: [    0.000000] Linux version 5.4.65-1-pve (build@pve) (gcc version 8.3.0 (Debian 8.3.0-6)) #1 SMP PVE 5.4.65-1 (Mon, 21 Sep 2020 15:40:22 +0200) ()
Oct 26 23:51:18 pve systemd-tmpfiles[391]: [/usr/lib/tmpfiles.d/zabbix-agent.conf:1] Line references path below legacy directory /var/run/, updating /var/run/zabbix → /run/zabbix; please update the tmpfiles.d/ drop-in file accordingly.
Oct 26 23:51:18 pve kernel: [    0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-5.4.65-1-pve root=/dev/mapper/pve-root ro quiet
Oct 26 23:51:18 pve kernel: [    0.000000] KERNEL supported cpus:
Oct 26 23:51:18 pve systemd-modules-load[374]: Inserted module 'vhost_net'
Oct 26 23:51:18 pve kernel: [    0.000000]   Intel GenuineIntel
Oct 26 23:51:18 pve kernel: [    0.000000]   AMD AuthenticAMD

It happen rarely (once every two or three months) but i dont know why. I replaced system disk (new SSD) and replace the memory. i not see any overheat or overload on logs.

I dont know it help or not but i see this on syslog after reboot:

Bash: 
Oct 26 23:51:18 pve kernel: [    0.193492] MDS: Vulnerable: Clear CPU buffers attempted, no microcode
Oct 26 23:51:18 pve kernel: [    0.193775] Freeing SMP alternatives memory: 40K
Oct 26 23:51:18 pve kernel: [    0.304089] smpboot: CPU0: Intel(R) Core(TM) i3-5005U CPU @ 2.00GHz (family: 0x6, model: 0x3d, stepping: 0x4)
Oct 26 23:51:18 pve systemd[1]: Started Daily PVE download activities.
Oct 26 23:51:18 pve kernel: [    0.304187] mce: [Hardware Error]: Machine check events logged
Oct 26 23:51:18 pve kernel: [    0.304189] mce: [Hardware Error]: CPU 0: Machine Check: 0 Bank 4: be00000000800400
Oct 26 23:51:18 pve kernel: [    0.304194] mce: [Hardware Error]: TSC 0 ADDR e000000000000000 MISC ffffffff80e76ffd
Oct 26 23:51:18 pve kernel: [    0.304199] mce: [Hardware Error]: PROCESSOR 0:306d4 TIME 1603752669 SOCKET 0 APIC 0 microcode 16
Oct 26 23:51:18 pve systemd[1]: Started Proxmox VE replication runner.
Oct 26 23:51:18 pve kernel: [    0.304244] Performance Events: PEBS fmt2+, Broadwell events, 16-deep LBR, full-width counters, Intel PMU driver.
Oct 26 23:51:18 pve kernel: [    0.304264] ... version:                3
Oct 26 23:51:18 pve systemd[1]: Started Daily apt upgrade and clean activities.
Oct 26 23:51:18 pve kernel: [    0.304264] ... bit width:              48
Oct 26 23:51:18 pve kernel: [    0.304265] ... generic registers:      4
Oct 26 23:51:18 pve kernel: [    0.304265] ... value mask:             0000ffffffffffff
Oct 26 23:51:18 pve kernel: [    0.304266] ... max period:             00007fffffffffff
Oct 26 23:51:18 pve systemd[1]: Started Daily man-db regeneration.
Oct 26 23:51:18 pve kernel: [    0.304267] ... fixed-purpose events:   3
Oct 26 23:51:18 pve kernel: [    0.304267] ... event mask:             000000070000000f
Oct 26 23:51:18 pve kernel: [    0.304308] rcu: Hierarchical SRCU implementation.
Oct 26 23:51:18 pve kernel: [    0.305278] NMI watchdog: Enabled. Permanently consumes one hw-PMU counter.
Oct 26 23:51:18 pve kernel: [    0.305346] smp: Bringing up secondary CPUs ...
Oct 26 23:51:18 pve systemd[1]: Started Daily rotation of log files.
Oct 26 23:51:18 pve kernel: [    0.305451] x86: Booting SMP configuration:
Oct 26 23:51:18 pve kernel: [    0.305452] .... node  #0, CPUs:      #1
Oct 26 23:51:18 pve systemd[1]: Reached target Timers.
Oct 26 23:51:18 pve kernel: [    0.305877] mce: [Hardware Error]: Machine check events logged
Oct 26 23:51:18 pve kernel: [    0.305879] mce: [Hardware Error]: CPU 1: Machine Check: 0 Bank 3: be00000000800400
Oct 26 23:51:18 pve systemd[1]: Started PVE Qemu Event Daemon.
Oct 26 23:51:18 pve kernel: [    0.305883] mce: [Hardware Error]: TSC 0 ADDR e000000000000000 MISC ffffffff80e76ffd
Oct 26 23:51:18 pve kernel: [    0.305888] mce: [Hardware Error]: PROCESSOR 0:306d4 TIME 1603752669 SOCKET 0 APIC 2 microcode 16
Oct 26 23:51:18 pve kernel: [    0.305893]  #2
Oct 26 23:51:18 pve kernel: [    0.305893] MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html for more details.
Oct 26 23:51:18 pve lxcfs[659]: Running constructor lxcfs_init to reload liblxcfs
Oct 26 23:51:18 pve kernel: [    0.305893]  #3
Oct 26 23:51:18 pve kernel: [    0.305893] smp: Brought up 1 node, 4 CPUs
 
Last edited:
The mce: [Hardware Error]: Machine check events logged lines seem to indicate a hardware problem with the CPU (or potentially the mainboard). Not much more detail than that though.

Other than that, nothing stands out from the logs...
 
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