[linuxsh-shmedia-dev] Re: Swap Issues (was [linuxsh-shmedia-bk] bk commit ... )

[Richard C. <Ric...@su...>]

Hi Paul,

* Paul Mundt <le...@li...> [2003-06-27]:
> 
> > * a problem in fs/nfs/nfs3proc.c (nfs3_proc_unlink_setup) where two
> >   allocations are done with one kmalloc and the 2nd ends up with
> >   insufficient alignment.  This was discussed on lkml with Trond and
> >   seemed to be acceptable, although I botched the patch twice and need
> >   to clean it up and resubmit it formally.  It's not been fixed
> >   externally yet (according to bk revtool).
> > 
> It would be good to get this in sooner then later, particularly with 2.4.22
> looming not far off.

OK, I'll look at getting this patch kicked off.

> > I had a gkrellm running at the time of the crash, and the swap bar has
> > frozen right at the top.  So I wonder if there's a problem with the USB
> > path to the disc when it's driven into very high load.
> > 
> If you only do relatively light swapping, or pull back on some of the load
> once the swap bar gets higher, does it still work without triggering the
> interrupt?

I'm pretty sure it correlates with swap load, but I can't be 100% sure.

Actually today, to start debugging the Tekram SCSI card support, I've
got hold of a 2nd Cayman.  The boot gets much further on this wrt the
SCSI than in the old one.  So perhaps it's just that the older Cayman
has a defective PCI.

-- 
Richard \\\ SuperH Core+Debug Architect /// .. At home ..
  P.    /// ric...@su...  ///  rc...@rc...
Curnow  \\\ http://www.superh.com/    ///  www.rc0.org.uk