[Info-vax] Alphaserver ES47: Suspected broken CPU, unable to stop/cpu 2

[Jan-Erik Söderholm]

Den 2018-08-08 kl. 08:34, skrev Robin Schrievers:
> One of our Alphaserver ES47's is showing spontaneous crashes since a few days. As soon as we start queues and make the box work, it will crash within the hour with a machinecheck.
> 
> Every time that happens it seems CPU 2 is the issue:
> ~ERL-E-(logupdate) Logging PAL EV7Logout from cab: 00 drw: 01 instance: 00
>   
> **** OpenVMS (TM) Alpha Operating System V7.3-2   - BUGCHECK ****
>   
> ** Bugcheck code = 00000215: MACHINECHK, Machine check while in kernel mode
> ** Crash CPU: 02    Primary CPU: 00    Active CPUs: 0000000F
> 
> I tried stopping that cpu with:
>   
> stop/cpu 2
> 
> but it won't let me. stopping 1 and 3 works.
> I also tried it using the MBM console with this command:
> 
> SET CPU_ENABLED FFFFFEFF
> 
> as stated here: https://support.hpe.com/hpsc/doc/public/display?docId=emr_na-c03645983
> 
> any other way i can force that CPU to not be used to see if we are stable then?
> 
> Any suggestions would be greatly appreciated
> 

Getting some hardware support supplier on-site?

>