On Aug 18, 2009, at 5:33 PM, Benjamin Herrenschmidt wrote:
On Tue, 2009-08-18 at 16:56 -0400, Josh Boyer wrote:
On Fri, Aug 14, 2009 at 05:39:42PM -0500, Becky Bruce wrote:
Ben,
This breaks the boot on 8572. I don't know why yet (and I'm
probably
not going to figure it out before I go home, because, frankly,
it's late
on a Friday afternoon and I need a glass of wine or, perhaps, a
beer).
Kumar and I will poke into this more and let you know what we find
out -
in the meantime, if you have any brilliant flashes, pony up!
I tested this on a 440EPx NFS rootfs boot too. It doesn't cause
init itself
to crap out with a SIGILL like Becky's board, but it does do weird
things
and cause a SIGILL elsewhere during my boot.
Reverting this patch from your testing branch allows things to work
just fine.
Becky found my thinko, I'll send a new patch later today.
Ben,
FYI, I pulled your updated test branch this morning, booted, and did a
full LTP run on 8572. The results are consistent with the baseline I
have, so it looks like the issue is properly fixed.
-Becky
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