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From: Troy Benjegerdes <hozer@drgw•net>
To: linuxppc-dev@lists•linuxppc.org
Subject: calling giveup_altivec on machine with no altivec!?
Date: Thu, 15 Feb 2001 16:06:58 -0600	[thread overview]
Message-ID: <20010215160658.P26702@altus.drgw.net> (raw)


My Motorola MTX just crashed after the following code in _swithc_to
executed:

	if ((prev->thread.regs && (prev->thread.regs->msr & MSR_VEC)))
		giveup_altivec(prev);


Somehow prev->thread.regs->msr & MSR_VEC turned out true. I'm suspecting
something got overwritten somewhere..

This is an SMP machine so I'm wondering if there wasn't a race condition
on something with task structs..


--------------------------------------------------------------------------
Troy Benjegerdes                'da hozer'                hozer@drgw•net


** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/

             reply	other threads:[~2001-02-15 22:06 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-02-15 22:06 Troy Benjegerdes [this message]
2001-02-15 22:20 ` calling giveup_altivec on machine with no altivec!? Frank Rowand
2001-02-15 22:33   ` Troy Benjegerdes
2001-02-15 22:47     ` Frank Rowand
2001-02-15 22:39 ` program exception emulates mfspr PVR Frank Rowand
2001-02-15 22:52   ` Dan Malek
2001-02-15 23:41   ` Mark Hatle
2001-02-15 22:57 ` calling giveup_altivec on machine with no altivec!? Dan Malek
2001-02-18  2:41   ` Troy Benjegerdes

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