RAS

Sissejuhatus

TODO

Mõisted

• AER - advanced error reporting
• MCE -
• MCA -

Tööpõhimõte

TODO

Paigaldamine

# apt-get install rasdaemon

..

Created symlink /etc/systemd/system/multi-user.target.wants/rasdaemon.service → /lib/systemd/system/rasdaemon.service.
Created symlink /etc/systemd/system/multi-user.target.wants/ras-mc-ctl.service → /lib/systemd/system/ras-mc-ctl.service.
...

Failisüsteemi tekivad muu hulgas

• TODO

Kasutamine

Lugu 1

root@pve-sl:~# ras-mc-ctl --summary
No Memory errors.

No PCIe AER errors.

No Extlog errors.

No MCE errors.

Lugu 2

root@pve-svc-01:~# dmesg -T | tail -n 10
[Wed Jun 10 03:10:13 2026] EXT4-fs (dm-3): mounted filesystem a9ac7ded-4e04-44c9-9a6f-3120f0a1fbdf r/w with ordered data mode. Quota mode: none.
[Wed Jun 10 04:25:26 2026] hrtimer: interrupt took 6350 ns
[Tue Jul  7 01:19:56 2026] mce: [Hardware Error]: Machine check events logged
[Tue Jul  7 01:19:56 2026] [Hardware Error]: System Fatal error.
[Tue Jul  7 01:19:56 2026] [Hardware Error]: CPU:1 (19:21:2) MC20_STATUS[Over|UE|MiscV|AddrV|PCC|SyndV|-|Poison|-]: 0xffff8c03ff133780
[Tue Jul  7 01:19:56 2026] [Hardware Error]: Error Addr: 0x0000000000000000
[Tue Jul  7 01:19:56 2026] [Hardware Error]: IPID: 0x0000000000000000, Syndrome: 0x0000000000000000

[Tue Jul  7 01:19:56 2026] [Hardware Error]: Bank 20 is reserved.
[Tue Jul  7 01:19:56 2026] [Hardware Error]: cache level: RESV, tx: INSN
root@pve-svc-01:~#

ning

root@pve-svc-01:~# systemctl status rasdaemon
● rasdaemon.service - RAS daemon to log the RAS events
     Loaded: loaded (/usr/lib/systemd/system/rasdaemon.service; enabled; preset: enabled)
     Active: active (running) since Wed 2026-06-10 02:54:00 EEST; 2 months 22 days ago
 Invocation: 6ae75aeb06cc43f5887c2ac02744561b
   Main PID: 2349 (rasdaemon)
      Tasks: 1 (limit: 143495)
     Memory: 5.2M (peak: 5.5M)
        CPU: 2.218s
     CGroup: /system.slice/rasdaemon.service
             └─2349 /usr/sbin/rasdaemon -f -r

Notice: journal has been rotated since unit was started, output may be incomplete.

ning

root@pve-svc-01:~# ras-mc-ctl --errors
No Memory errors.

No PCIe AER errors.

No ARM processor errors.

No CXL AER uncorrectable errors.

No CXL AER correctable errors.

No CXL overflow errors.

No CXL poison errors.

No CXL generic errors.

No CXL general media errors.

No CXL DRAM errors.

No CXL memory module errors.

No Extlog errors.

No devlink errors.

No disk errors.

No Memory failure errors.

MCE events:
1 2026-07-07 01:20:21 +0300 error: Uncorrected, software containable error., CPU 2, bank Unified Memory Controller V2 (bank=20), mcg mcgstatus=0, mci Error_overflow Processor_context_corrupt Poison consumed Task_context_corrupt, mcgcap=0x0000011c, status=0xffff8c03ff133780, misc=0x10000000000000, walltime=0x6a4c2a25, cpu=0x00000001, cpuid=0x00a20f12, apicid=0x00000002, bank=0x00000014, microcode=0x0a201213

Kasulikud lisamaterjalid

• TODO