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Date:      Mon, 07 Mar 2005 21:15:56 -0800
From:      Sean McNeil <sean@mcneil.com>
To:        current@freebsd.org
Subject:   amd64 floating point context save/restore changed?
Message-ID:  <1110258956.3660.15.camel@server.mcneil.com>

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Has there been any changes within the last couple of days that could
affect context save/restore of the FPU on amd64?  I am getting
consistent SIGFPE signals in an application I built.  The problem is, if
I just rearrange the code a little bit I can get it to move.  Since it
is consistent for any particular version, I would guess it to be related
to pthreads if it is context save/restore.  In both cases I've looked at
there was no reason the SIGPFE should have occurred and, in fact, does
not when the code is reordered.

I can flood the list with a lot of backtrace info, but prefer to send it
to whomever is working this area to save others.

Sean




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