Re: Cant find out MCE reason (CPU 35 BANK 8)

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]



Hi :)

On Tue, Mar 22, 2011 at 3:59 PM, Vladimir Budnev
<vladimir.budnev@xxxxxxxxx> wrote:

[...]

> But... as i sad we have following slots
> ÂÂ CPU1ÂÂÂ cpu1-a1 cpu1-a2 cpu1-a3 cpu1-b1 cpu1-b2 cpu1-b3
> ÂÂ CPU2 ÂÂ cpu2-a1 cpu2-a2 cpu2-a3 cpu2-b1 cpu2-b2 cpu2-b3
>
> We have modules placed in such way:
> +------------+------------+------------+------------+------------+------------+------------+
> |ÂÂÂÂÂÂÂÂÂÂÂÂÂ | ÂÂÂÂ VÂÂÂÂ | ÂÂÂ VÂÂÂÂÂ |ÂÂÂÂÂ VÂÂÂÂ | Â ÂÂ VÂÂÂÂ |
> freeÂÂÂ | ÂÂ freeÂÂÂ |
> +------------+------------+------------+------------+------------+------------+------------+
> |ÂÂ CPU1Â |Â cpu1-a1| cpu1-a2 | cpu1-a3 | cpu1-b1 | cpu1-b2| cpu1-b3 |
> +------------+------------+------------+------------+------------+------------+------------+
>
>
> +------------+------------+------------+------------+------------+------------+------------+
> |ÂÂÂÂÂÂÂÂÂÂÂÂÂ | ÂÂÂÂ VÂÂÂÂ | ÂÂÂ VÂÂÂÂÂ |ÂÂÂÂÂ VÂÂÂÂ | Â ÂÂ VÂÂÂÂ |
> freeÂÂÂ | ÂÂ freeÂÂÂ |
> +------------+------------+------------+------------+------------+------------+------------+
> |ÂÂ CPU2Â |Â cpu2-a1| cpu2-a2 | cpu2-a3 | cpu2-b1 | cpu1-b2| cpu1-b3 |
> +------------+------------+------------+------------+------------+------------+------------+
>
> Definetely there is something with memory banks,becasue replacinbg moudels
> changed the mce messages, but what exactly...or iv interpreted all wrong?


This isn't an optimal setup (performance-wise). You should always
populate complete slots in multiples of 3 to get the full bandwidth.
In your case, you've got cpu1-b[2|3] and cpu2-b[2|3] with no DIMMs so
that would affect your performance.

HTH

   Rafa
_______________________________________________
CentOS mailing list
CentOS@xxxxxxxxxx
http://lists.centos.org/mailman/listinfo/centos



[Index of Archives]     [CentOS]     [CentOS Announce]     [CentOS Development]     [CentOS ARM Devel]     [CentOS Docs]     [CentOS Virtualization]     [Carrier Grade Linux]     [Linux Media]     [Asterisk]     [DCCP]     [Netdev]     [Xorg]     [Linux USB]
  Powered by Linux