diff --git a/OpenCL/m22100-pure.cl b/OpenCL/m22100-pure.cl
index 9af1d0b92..af98a712a 100644
--- a/OpenCL/m22100-pure.cl
+++ b/OpenCL/m22100-pure.cl
@@ -42,7 +42,7 @@ typedef struct bitlocker_tmp
 #define SHM_TYPE2 GLOBAL_AS const
 #endif
 
-DECLSPEC void sha256_transform_vector_pc (const u32x *w0, const u32x *w1, const u32x *w2, const u32x *w3, u32x *digest, SHM_TYPE2 u32 s_wb_ke_pc[48])
+DECLSPEC void sha256_transform_vector_pc (const u32x *w0, const u32x *w1, const u32x *w2, const u32x *w3, u32x *digest, SHM_TYPE2 u32 *s_wb_ke_pc)
 {
   u32x a = digest[0];
   u32x b = digest[1];
diff --git a/src/filehandling.c b/src/filehandling.c
index 0ed5fd1ab..421d09d5a 100644
--- a/src/filehandling.c
+++ b/src/filehandling.c
@@ -482,7 +482,7 @@ size_t fgetl (HCFILE *fp, char *line_buf, const size_t line_sz)
 
   if (line_truncated > 0)
   {
-    fprintf (stderr, "\nOversized line detected! Truncated %" PRIu64 " bytes\n", line_truncated);
+    fprintf (stderr, "\nOversized line detected! Truncated %" PRIu64 " bytes\n", (u64) line_truncated);
   }
 
   if (line_len == 0) return 0;
diff --git a/src/modules/module_06231.c b/src/modules/module_06231.c
index e01fd7300..5586ad2cb 100644
--- a/src/modules/module_06231.c
+++ b/src/modules/module_06231.c
@@ -70,6 +70,20 @@ typedef struct tc
 static const int   ROUNDS_TRUECRYPT_1K         = 1000;
 static const float MIN_SUFFICIENT_ENTROPY_FILE = 7.0f;
 
+bool module_unstable_warning (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra, MAYBE_UNUSED const hc_device_param_t *device_param)
+{
+  if (device_param->opencl_platform_vendor_id == VENDOR_ID_APPLE)
+  {
+    // self-test failed
+    if ((device_param->opencl_device_vendor_id == VENDOR_ID_INTEL_SDK) && (device_param->opencl_device_type & CL_DEVICE_TYPE_GPU))
+    {
+      return true;
+    }
+  }
+
+  return false;
+}
+
 char *module_jit_build_options (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra, MAYBE_UNUSED const hashes_t *hashes, MAYBE_UNUSED const hc_device_param_t *device_param)
 {
   char *jit_build_options = NULL;
@@ -304,6 +318,6 @@ void module_init (module_ctx_t *module_ctx)
   module_ctx->module_st_hash                  = module_st_hash;
   module_ctx->module_st_pass                  = module_st_pass;
   module_ctx->module_tmp_size                 = module_tmp_size;
-  module_ctx->module_unstable_warning         = MODULE_DEFAULT;
+  module_ctx->module_unstable_warning         = module_unstable_warning;
   module_ctx->module_warmup_disable           = MODULE_DEFAULT;
 }
diff --git a/src/modules/module_06232.c b/src/modules/module_06232.c
index b8a404670..75c51d4ed 100644
--- a/src/modules/module_06232.c
+++ b/src/modules/module_06232.c
@@ -70,6 +70,20 @@ typedef struct tc
 static const int   ROUNDS_TRUECRYPT_1K         = 1000;
 static const float MIN_SUFFICIENT_ENTROPY_FILE = 7.0f;
 
+bool module_unstable_warning (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra, MAYBE_UNUSED const hc_device_param_t *device_param)
+{
+  if (device_param->opencl_platform_vendor_id == VENDOR_ID_APPLE)
+  {
+    // self-test failed
+    if ((device_param->opencl_device_vendor_id == VENDOR_ID_INTEL_SDK) && (device_param->opencl_device_type & CL_DEVICE_TYPE_GPU))
+    {
+      return true;
+    }
+  }
+
+  return false;
+}
+
 char *module_jit_build_options (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra, MAYBE_UNUSED const hashes_t *hashes, MAYBE_UNUSED const hc_device_param_t *device_param)
 {
   char *jit_build_options = NULL;
@@ -304,6 +318,6 @@ void module_init (module_ctx_t *module_ctx)
   module_ctx->module_st_hash                  = module_st_hash;
   module_ctx->module_st_pass                  = module_st_pass;
   module_ctx->module_tmp_size                 = module_tmp_size;
-  module_ctx->module_unstable_warning         = MODULE_DEFAULT;
+  module_ctx->module_unstable_warning         = module_unstable_warning;
   module_ctx->module_warmup_disable           = MODULE_DEFAULT;
 }
diff --git a/src/modules/module_06233.c b/src/modules/module_06233.c
index 499f0714a..25217984b 100644
--- a/src/modules/module_06233.c
+++ b/src/modules/module_06233.c
@@ -70,6 +70,20 @@ typedef struct tc
 static const int   ROUNDS_TRUECRYPT_1K         = 1000;
 static const float MIN_SUFFICIENT_ENTROPY_FILE = 7.0f;
 
+bool module_unstable_warning (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra, MAYBE_UNUSED const hc_device_param_t *device_param)
+{
+  if (device_param->opencl_platform_vendor_id == VENDOR_ID_APPLE)
+  {
+    // self-test failed
+    if ((device_param->opencl_device_vendor_id == VENDOR_ID_INTEL_SDK) && (device_param->opencl_device_type & CL_DEVICE_TYPE_GPU))
+    {
+      return true;
+    }
+  }
+
+  return false;
+}
+
 char *module_jit_build_options (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra, MAYBE_UNUSED const hashes_t *hashes, MAYBE_UNUSED const hc_device_param_t *device_param)
 {
   char *jit_build_options = NULL;
@@ -304,6 +318,6 @@ void module_init (module_ctx_t *module_ctx)
   module_ctx->module_st_hash                  = module_st_hash;
   module_ctx->module_st_pass                  = module_st_pass;
   module_ctx->module_tmp_size                 = module_tmp_size;
-  module_ctx->module_unstable_warning         = MODULE_DEFAULT;
+  module_ctx->module_unstable_warning         = module_unstable_warning;
   module_ctx->module_warmup_disable           = MODULE_DEFAULT;
 }
diff --git a/src/modules/module_07500.c b/src/modules/module_07500.c
index cae72985d..468380134 100644
--- a/src/modules/module_07500.c
+++ b/src/modules/module_07500.c
@@ -78,6 +78,15 @@ u32 module_kernel_threads_max (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYB
 
 bool module_unstable_warning (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra, MAYBE_UNUSED const hc_device_param_t *device_param)
 {
+  if (device_param->opencl_platform_vendor_id == VENDOR_ID_APPLE)
+  {
+    // self-test failed
+    if ((device_param->opencl_device_vendor_id == VENDOR_ID_INTEL_SDK) && (device_param->opencl_device_type & CL_DEVICE_TYPE_GPU))
+    {
+      return true;
+    }
+  }
+
   // amdgpu-pro-18.50-708488-ubuntu-18.04: Segmentation fault
   if ((device_param->opencl_device_vendor_id == VENDOR_ID_AMD) && (device_param->has_vperm == false))
   {
diff --git a/src/modules/module_08000.c b/src/modules/module_08000.c
index b32d0da9f..7d420fc90 100644
--- a/src/modules/module_08000.c
+++ b/src/modules/module_08000.c
@@ -56,6 +56,20 @@ u32 module_pw_max (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED con
   return pw_max;
 }
 
+bool module_unstable_warning (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra, MAYBE_UNUSED const hc_device_param_t *device_param)
+{
+  if (device_param->opencl_platform_vendor_id == VENDOR_ID_APPLE)
+  {
+    // self-test failed
+    if ((device_param->opencl_device_vendor_id == VENDOR_ID_INTEL_SDK) && (device_param->opencl_device_type & CL_DEVICE_TYPE_GPU))
+    {
+      return true;
+    }
+  }
+
+  return false;
+}
+
 char *module_jit_build_options (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra, MAYBE_UNUSED const hashes_t *hashes, MAYBE_UNUSED const hc_device_param_t *device_param)
 {
   char *jit_build_options = NULL;
@@ -223,6 +237,6 @@ void module_init (module_ctx_t *module_ctx)
   module_ctx->module_st_hash                  = module_st_hash;
   module_ctx->module_st_pass                  = module_st_pass;
   module_ctx->module_tmp_size                 = MODULE_DEFAULT;
-  module_ctx->module_unstable_warning         = MODULE_DEFAULT;
+  module_ctx->module_unstable_warning         = module_unstable_warning;
   module_ctx->module_warmup_disable           = MODULE_DEFAULT;
 }
diff --git a/src/modules/module_12500.c b/src/modules/module_12500.c
index c95b57400..a1688eeac 100644
--- a/src/modules/module_12500.c
+++ b/src/modules/module_12500.c
@@ -93,6 +93,15 @@ const char *module_benchmark_mask (MAYBE_UNUSED const hashconfig_t *hashconfig,
 
 bool module_unstable_warning (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra, MAYBE_UNUSED const hc_device_param_t *device_param)
 {
+  if (device_param->opencl_platform_vendor_id == VENDOR_ID_APPLE)
+  {
+    // Kernel minimum runtime larger than default TDR
+    if ((device_param->opencl_device_vendor_id == VENDOR_ID_INTEL_SDK) && (device_param->opencl_device_type & CL_DEVICE_TYPE_GPU))
+    {
+      return true;
+    }
+  }
+
   // amdgpu-pro-18.50-708488-ubuntu-18.04: self-test failed
   if ((device_param->opencl_device_vendor_id == VENDOR_ID_AMD) && (device_param->has_vperm == false))
   {
diff --git a/src/modules/module_13100.c b/src/modules/module_13100.c
index 2f6b98b45..1203e34aa 100644
--- a/src/modules/module_13100.c
+++ b/src/modules/module_13100.c
@@ -75,6 +75,15 @@ u32 module_kernel_threads_max (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYB
 
 bool module_unstable_warning (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra, MAYBE_UNUSED const hc_device_param_t *device_param)
 {
+  if (device_param->opencl_platform_vendor_id == VENDOR_ID_APPLE)
+  {
+    // self-test failed
+    if ((device_param->opencl_device_vendor_id == VENDOR_ID_INTEL_SDK) && (device_param->opencl_device_type & CL_DEVICE_TYPE_GPU))
+    {
+      return true;
+    }
+  }
+
   // amdgpu-pro-19.30-934563-ubuntu-18.04: CL_OUT_OF_RESOURCES
   if ((device_param->opencl_device_vendor_id == VENDOR_ID_AMD) && (device_param->has_vperm == false))
   {
diff --git a/src/modules/module_13731.c b/src/modules/module_13731.c
index 3afff8644..850af5c39 100644
--- a/src/modules/module_13731.c
+++ b/src/modules/module_13731.c
@@ -77,6 +77,20 @@ typedef struct vc
 static const int   ROUNDS_VERACRYPT_500000     = 500000;
 static const float MIN_SUFFICIENT_ENTROPY_FILE = 7.0f;
 
+bool module_unstable_warning (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra, MAYBE_UNUSED const hc_device_param_t *device_param)
+{
+  if (device_param->opencl_platform_vendor_id == VENDOR_ID_APPLE)
+  {
+    // self-test failed
+    if ((device_param->opencl_device_vendor_id == VENDOR_ID_INTEL_SDK) && (device_param->opencl_device_type & CL_DEVICE_TYPE_GPU))
+    {
+      return true;
+    }
+  }
+
+  return false;
+}
+
 char *module_jit_build_options (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra, MAYBE_UNUSED const hashes_t *hashes, MAYBE_UNUSED const hc_device_param_t *device_param)
 {
   char *jit_build_options = NULL;
@@ -348,6 +362,6 @@ void module_init (module_ctx_t *module_ctx)
   module_ctx->module_st_hash                  = module_st_hash;
   module_ctx->module_st_pass                  = module_st_pass;
   module_ctx->module_tmp_size                 = module_tmp_size;
-  module_ctx->module_unstable_warning         = MODULE_DEFAULT;
+  module_ctx->module_unstable_warning         = module_unstable_warning;
   module_ctx->module_warmup_disable           = MODULE_DEFAULT;
 }
diff --git a/src/modules/module_13732.c b/src/modules/module_13732.c
index 965776e9e..4cbfd30a5 100644
--- a/src/modules/module_13732.c
+++ b/src/modules/module_13732.c
@@ -77,6 +77,20 @@ typedef struct vc
 static const int   ROUNDS_VERACRYPT_500000     = 500000;
 static const float MIN_SUFFICIENT_ENTROPY_FILE = 7.0f;
 
+bool module_unstable_warning (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra, MAYBE_UNUSED const hc_device_param_t *device_param)
+{
+  if (device_param->opencl_platform_vendor_id == VENDOR_ID_APPLE)
+  {
+    // self-test failed
+    if ((device_param->opencl_device_vendor_id == VENDOR_ID_INTEL_SDK) && (device_param->opencl_device_type & CL_DEVICE_TYPE_GPU))
+    {
+      return true;
+    }
+  }
+
+  return false;
+}
+
 char *module_jit_build_options (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra, MAYBE_UNUSED const hashes_t *hashes, MAYBE_UNUSED const hc_device_param_t *device_param)
 {
   char *jit_build_options = NULL;
@@ -348,6 +362,6 @@ void module_init (module_ctx_t *module_ctx)
   module_ctx->module_st_hash                  = module_st_hash;
   module_ctx->module_st_pass                  = module_st_pass;
   module_ctx->module_tmp_size                 = module_tmp_size;
-  module_ctx->module_unstable_warning         = MODULE_DEFAULT;
+  module_ctx->module_unstable_warning         = module_unstable_warning;
   module_ctx->module_warmup_disable           = MODULE_DEFAULT;
 }
diff --git a/src/modules/module_13733.c b/src/modules/module_13733.c
index 3a7d0bbbb..442343804 100644
--- a/src/modules/module_13733.c
+++ b/src/modules/module_13733.c
@@ -77,6 +77,20 @@ typedef struct vc
 static const int   ROUNDS_VERACRYPT_500000     = 500000;
 static const float MIN_SUFFICIENT_ENTROPY_FILE = 7.0f;
 
+bool module_unstable_warning (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra, MAYBE_UNUSED const hc_device_param_t *device_param)
+{
+  if (device_param->opencl_platform_vendor_id == VENDOR_ID_APPLE)
+  {
+    // self-test failed
+    if ((device_param->opencl_device_vendor_id == VENDOR_ID_INTEL_SDK) && (device_param->opencl_device_type & CL_DEVICE_TYPE_GPU))
+    {
+      return true;
+    }
+  }
+
+  return false;
+}
+
 char *module_jit_build_options (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra, MAYBE_UNUSED const hashes_t *hashes, MAYBE_UNUSED const hc_device_param_t *device_param)
 {
   char *jit_build_options = NULL;
@@ -348,6 +362,6 @@ void module_init (module_ctx_t *module_ctx)
   module_ctx->module_st_hash                  = module_st_hash;
   module_ctx->module_st_pass                  = module_st_pass;
   module_ctx->module_tmp_size                 = module_tmp_size;
-  module_ctx->module_unstable_warning         = MODULE_DEFAULT;
+  module_ctx->module_unstable_warning         = module_unstable_warning;
   module_ctx->module_warmup_disable           = MODULE_DEFAULT;
 }
diff --git a/src/modules/module_15700.c b/src/modules/module_15700.c
index 2b814cc05..ac04271df 100644
--- a/src/modules/module_15700.c
+++ b/src/modules/module_15700.c
@@ -247,6 +247,15 @@ u64 module_extra_tmp_size (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UN
 
 bool module_unstable_warning (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra, MAYBE_UNUSED const hc_device_param_t *device_param)
 {
+  if (device_param->opencl_platform_vendor_id == VENDOR_ID_APPLE)
+  {
+    // Invalid extra buffer size.
+    if ((device_param->opencl_device_vendor_id == VENDOR_ID_INTEL_SDK) && (device_param->opencl_device_type & CL_DEVICE_TYPE_GPU))
+    {
+      return true;
+    }
+  }
+
   // amdgpu-pro-18.50-708488-ubuntu-18.04: Segmentation fault
   if ((device_param->opencl_device_vendor_id == VENDOR_ID_AMD) && (device_param->has_vperm == false))
   {
@@ -519,6 +528,6 @@ void module_init (module_ctx_t *module_ctx)
   module_ctx->module_st_hash                  = module_st_hash;
   module_ctx->module_st_pass                  = module_st_pass;
   module_ctx->module_tmp_size                 = module_tmp_size;
-  module_ctx->module_unstable_warning         = MODULE_DEFAULT;
+  module_ctx->module_unstable_warning         = module_unstable_warning;
   module_ctx->module_warmup_disable           = MODULE_DEFAULT;
 }
diff --git a/src/modules/module_18200.c b/src/modules/module_18200.c
index 37414779a..576f8c642 100644
--- a/src/modules/module_18200.c
+++ b/src/modules/module_18200.c
@@ -77,6 +77,15 @@ u32 module_kernel_threads_max (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYB
 
 bool module_unstable_warning (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra, MAYBE_UNUSED const hc_device_param_t *device_param)
 {
+  if (device_param->opencl_platform_vendor_id == VENDOR_ID_APPLE)
+  {
+    // self-test failed
+    if ((device_param->opencl_device_vendor_id == VENDOR_ID_INTEL_SDK) && (device_param->opencl_device_type & CL_DEVICE_TYPE_GPU))
+    {
+      return true;
+    }
+  }
+
   // amdgpu-pro-19.30-934563-ubuntu-18.04: CL_OUT_OF_RESOURCES
   if ((device_param->opencl_device_vendor_id == VENDOR_ID_AMD) && (device_param->has_vperm == false))
   {
diff --git a/src/modules/module_21700.c b/src/modules/module_21700.c
index 49155aabe..612915934 100644
--- a/src/modules/module_21700.c
+++ b/src/modules/module_21700.c
@@ -86,6 +86,20 @@ u32 module_pw_max (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED con
   return pw_max;
 }
 
+bool module_unstable_warning (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra, MAYBE_UNUSED const hc_device_param_t *device_param)
+{
+  if (device_param->opencl_platform_vendor_id == VENDOR_ID_APPLE)
+  {
+    // self-test failed
+    if ((device_param->opencl_device_vendor_id == VENDOR_ID_INTEL_SDK) && (device_param->opencl_device_type & CL_DEVICE_TYPE_GPU))
+    {
+      return true;
+    }
+  }
+
+  return false;
+}
+
 char *module_jit_build_options (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra, MAYBE_UNUSED const hashes_t *hashes, MAYBE_UNUSED const hc_device_param_t *device_param)
 {
   char *jit_build_options = NULL;
@@ -324,6 +338,6 @@ void module_init (module_ctx_t *module_ctx)
   module_ctx->module_st_hash                  = module_st_hash;
   module_ctx->module_st_pass                  = module_st_pass;
   module_ctx->module_tmp_size                 = module_tmp_size;
-  module_ctx->module_unstable_warning         = MODULE_DEFAULT;
+  module_ctx->module_unstable_warning         = module_unstable_warning;
   module_ctx->module_warmup_disable           = MODULE_DEFAULT;
 }
diff --git a/src/modules/module_21800.c b/src/modules/module_21800.c
index 3b0eb3ba1..be304d205 100644
--- a/src/modules/module_21800.c
+++ b/src/modules/module_21800.c
@@ -96,6 +96,15 @@ char *module_jit_build_options (MAYBE_UNUSED const hashconfig_t *hashconfig, MAY
 
 bool module_unstable_warning (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra, MAYBE_UNUSED const hc_device_param_t *device_param)
 {
+  if (device_param->opencl_platform_vendor_id == VENDOR_ID_APPLE)
+  {
+    // self-test failed
+    if ((device_param->opencl_device_vendor_id == VENDOR_ID_INTEL_SDK) && (device_param->opencl_device_type & CL_DEVICE_TYPE_GPU))
+    {
+      return true;
+    }
+  }
+
   // hangs somewhere in zlib inflate
   if (device_param->opencl_platform_vendor_id == VENDOR_ID_AMD)
   {