Re: [NUMA , x86_64] numa=fake=2 boot time option

From: devesh sharma
Date: Wed Oct 05 2005 - 07:17:13 EST


Thanks Eric,
Even I have tested this with amd opteron on 2.6.9 successfully.
Ok Now I will try it with newer version.

On 10/5/05, Eric Dumazet <dada1@xxxxxxxxxxxxx> wrote:
> Hi devesh,
>
> I'm sorry I did not notice your mail, I only see it now.
>
> devesh sharma a écrit :
> > Hello Eric,
> >
> > I am trying to boot 2.6.9 kernel with numa=fake=2 boot time option but
> > my kernel get penic saying
> >
> > kernel penic : not syncing : kmem_cache_create() failed!
> >
> > My machine is 64bit dual intel xeon with 4 GB physical memory!
> >
> > Is numa=fake option only available with Opteron machines or there is
> > some physical memory limit after which this option works?
>
>
> Please check with linux-2.6.13 and/or latest linux-2.6.14-rc3
>
> I tested it with success on a amd64 with 1GB of ram, and "numa=fake=2"
>
> But it's true I had panic with "numa=fake=2" in the past (2.6.12 maybe I dont
> remember very well), so maybe this option is not well tested/or was fixed lately.
>
>
> See you
> Eric
>
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