On Fri, Jul 29, 2005 at 04:38:54PM -0500, Dave Kleikamp wrote:
> On Fri, 2005-07-29 at 17:34 -0400, Sonny Rao wrote:
> > On Fri, Jul 29, 2005 at 03:46:20PM -0500, Dave Kleikamp wrote:
> > <snip> 
> > > SIGUSR1?  Maybe it means something else on sparc64.  Can you run
> > > fsck.jfs under gdb to see where it traps?  You'll need to give fsck.jfs
> > > the device (/dev/vg00/lvol0), since fsck figures this out
> > > from /etc/fstab and sends the device to the lower level command.
> > > 
> > > I think there's something about sparc64 that jfs isn't handling
> > > correctly.  I've run a lot on ppc64, so I don't know what the difference
> > > would be.
> > 
> > Isn't the page size on sparc64 8k ?  Have you done a lot of testing on
> > fsck.jfs w/ page_size != 4k ?  This is a fairly new feature still,
> > IMO.
> 
> We did a fairly good job of testing on ppc64, with a patch for larger
> pages, but I haven't done any regression testing on recent patches.
> Also, the page size would have no effect on fsck.
> 
> Does sparc64 trap on memory accesses that are no word aligned?

Yep I think so -- or at least it is more strict about alignment than
x86 or PPC64.

Sonny


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