Re: fc3 and stacks

[Joshua Baker-LePain <jlb17@xxxxxxxx>]

On Thu, 24 Mar 2005 at 5:42pm, Robin Humble wrote

> On Mon, Mar 21, 2005 at 07:40:53AM -0500, Joshua Baker-LePain wrote:

> >Hrm.  I had exactly the opposite experience.  My testbed was far older 
> >(and simpler) -- dual PIII 450, 384MB RAM, AIC-7890 controller and 2 SCSI 
> >disks (not in any sort of RAID or anything).  I was running RHEL4 on it 
> >with the kernel modified simply to turn on XFS support.
> >'tiobench --size 2047' would reliably produce stack overflows.
> 
> Hmmm. interesting.
> 
> <insert another couple of days of testing>

*snip*

> Perhaps your results can be explained if the aic7xxx driver is a lot
> more stack-heavy than the 3ware driver that we are using?

Could be.  I'm getting a new dual 3ware 9500 based system soon, and I'll 
certainly be testing that as well.

> Or if you are exercising multiple XFS partitions at the same time?

No, just one.

-- 
Joshua Baker-LePain
Department of Biomedical Engineering
Duke University