Index: openssl-1.1.1b/crypto/armcap.c
===================================================================
--- openssl-1.1.1b.orig/crypto/armcap.c	2019-02-26 22:15:30.000000000 +0800
+++ openssl-1.1.1b/crypto/armcap.c	2019-12-03 11:02:41.618143075 +0800
@@ -133,7 +133,18 @@
 # endif
 
     OPENSSL_armcap_P = 0;
+#if 1
+    // BRCM SPECIFIC: do NOT probe for NEON, etc.
+    // On the 138, NEON is only on one core.  The autodetect may detect NEON,
+    // and then migrate to the other core, at which point an illegal instruction
+    // would be encountered.
+
+    // For the 148: currently the neon registers are not saved on a context switch.
+    // If multiple users are accessing neon, then a context switch can cause corrupt
+    // registers.
 
+    // simply disabling neon by default:
+#else
 # ifdef OSSL_IMPLEMENT_GETAUXVAL
     if (getauxval(HWCAP) & HWCAP_NEON) {
         unsigned long hwcap = getauxval(HWCAP_CE);
@@ -158,6 +169,7 @@
 #  endif
     }
 # endif
+#endif
 
     sigfillset(&all_masked);
     sigdelset(&all_masked, SIGILL);