Index: sys/arch/mips/mips/fp.S
===================================================================
RCS file: /cvsroot/src/sys/arch/mips/mips/fp.S,v
retrieving revision 1.48
diff -p -u -r1.48 fp.S
--- sys/arch/mips/mips/fp.S	27 Feb 2017 06:57:45 -0000	1.48
+++ sys/arch/mips/mips/fp.S	19 Dec 2018 11:19:50 -0000
@@ -2827,6 +2827,7 @@ fpe_trap:
 	 * ctc1 with fpe bits set causes FPE in kernel mode panic on 5231.
 	 */
 	REG_S	a2, CALLFRAME_SIZ + 3*SZREG(sp)
+	move	a0, MIPS_CURLWP
 	jal	_C_LABEL(fpu_save)		# on RM5231
 
 	REG_L	a2, CALLFRAME_SIZ + 3*SZREG(sp)