Re: Strange error

[Tim Prince <n8tm at aol dot com>]

On 6/1/2011 1:43 PM, Toon Moene wrote:
> On 06/01/2011 03:34 PM, Salvatore Filippone wrote:
>
> > this is CentOS 5.6, with CPU
>
> > flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
> > pat pse36
> > clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm
> > constant_tsc ida
> > nonstop_tsc arat pni monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr sse4_1
> > sse4_2 popcnt lahf_lm
>
> Are you sure your kernel supports AVX (i.e., the larger
> "save-the-vector-registers" area) ?
>
> I don't see 'avx' mentioned in the flags (nor do I know for certain if
> they would, but the kernel does have to find out the processor *has* AVX
> in order to support its 256-bit vectors).
We have confirmed that AVX code won't run on CentOS 5.6.  As Red Hat 6.1 
(recently finalized) is meant to have full support for AVX, we 
anticipate availability of CentOS 6.1.  I guess 5.8 may have a degree of 
AVX support.

--
Tim Prince