[CentOS] System hangs silently

[Plant, Dean]

Rodrigo Barbosa wrote:
>>> Have you tried disabling hyperthreading? I had suffered this problem
>>> when we started buying Intel Xeon's, disabling HT'ing seemed to fix
>>> the problem for me.
>> 
>> Some people suggested that too.  I'm asking for two of these systems
>> to be sent back from  our remote data center.  I'll try it then.
>> 
>> Did you just ended up running without hyperthreading?  Did you ever
>> find a solution?  It seems an awful waste if you can't use it.
> 
> Disabling HT only solves it on single processor systems.

In my case it fixed our dual processor systems (Dell PE2650) but to be
honest I was never quite sure if it was an OS patch or HT'ing. I just
disable HT'ing, build and they just work, I have not seen this problem
for a while now.

Dean