Re: [OOPS] 2.6.9-rc4, dual Opteron, NUMA, 8GB

From: Brad Fitzpatrick
Date: Wed Oct 13 2004 - 15:53:18 EST


On Wed, 13 Oct 2004, Jeff Garzik wrote:

> Brad Fitzpatrick wrote:
> > I was just about to mail and report that disabling NUMA does help:
> >
> > NUMA + mke2fs on LVM: OOPS (mailed earlier)
> > no NUMA + mke2fs on LVM: okay
> > NUMA + mke2fs on sdb1: OOPS (below)
> > no NUMA + mke2fs on sdb1: okay
> >
> > no NUMA + mount e2fs on LVM: okay
> > no NUMA + mount e2fs on sb1: okay
> > NUMA + mount e2fs on LVM: okay
> > NUMA + mount e2fs on sb1: untested, assume okay
>
>
> Honestly it smells like a devmapper bug, with the pertinent test case
> being some sort of behavior not normally generated by filesystem use
> (the most common use case for block devices).

Except for the data point above:

NUMA + mke2fs on sdb1: OOPS (below)

That's with devmapper totally out of the picture.

- Brad
-
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