D42417.diff
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	diff --git a/sys/powerpc/powerpc/exec_machdep.c b/sys/powerpc/powerpc/exec_machdep.c
	--- a/sys/powerpc/powerpc/exec_machdep.c
	+++ b/sys/powerpc/powerpc/exec_machdep.c
	@@ -528,8 +528,8 @@
	* Additionally, ensure VSX is disabled as well, as it is illegal
	* to leave it turned on when FP or VEC are off.
	*/
	- tf->srr1 &= ~(PSL_FP \| PSL_VSX);
	- pcb->pcb_flags &= ~(PCB_FPU \| PCB_VSX);
	+ tf->srr1 &= ~(PSL_FP \| PSL_VSX \| PSL_VEC);
	+ pcb->pcb_flags &= ~(PCB_FPU \| PCB_VSX \| PCB_VEC);

	if (mcp->mc_flags & _MC_FP_VALID) {
	/* enable_fpu() will happen lazily on a fault */
	@@ -550,9 +550,6 @@
	pcb->pcb_vec.vscr = mcp->mc_vscr;
	pcb->pcb_vec.vrsave = mcp->mc_vrsave;
	memcpy(pcb->pcb_vec.vr, mcp->mc_avec, sizeof(mcp->mc_avec));
	- } else {
	- tf->srr1 &= ~PSL_VEC;
	- pcb->pcb_flags &= ~PCB_VEC;
	}

	return (0);