Re: Have the 2.4 kernel memory management problems on large machines been fixed?

Doug Ledford (dledford@redhat.com)
Wed, 22 May 2002 17:46:14 -0400

On Wed, May 22, 2002 at 08:56:28AM -0700, Martin J. Bligh wrote:
> > 7.3 has some of what is needed but not all.
>
> Can you outline the changes in this area? I want to make sure we're
> not all fighting the same problems seperately ;-) I know bounce
> buffers is one large element of that, though I believe you still
> only go up to 4Gb, unless I'm mistaken?

Yes, it only goes up to 4Gb. It's because of the error handling code in
the SCSI mid-layer and above, it fails to properly handle the >4gb sg
entries on error conditions. I'm working on that now and should have it
fixed soon.

-- 
  Doug Ledford <dledford@redhat.com>     919-754-3700 x44233
         Red Hat, Inc. 
         1801 Varsity Dr.
         Raleigh, NC 27606
  
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