diff --git a/arch/sh/src/common/up_exit.c b/arch/sh/src/common/up_exit.c
index 1ee0f1695d..4b4ba44337 100644
--- a/arch/sh/src/common/up_exit.c
+++ b/arch/sh/src/common/up_exit.c
@@ -86,8 +86,8 @@ static void _up_dumponexit(FAR struct tcb_s *tcb, FAR void *arg)
   int i;
 #endif
 
-  serr("  TCB=%p name=%s\n", tcb, tcb->argv[0]);
-  serr("    priority=%d state=%d\n", tcb->sched_priority, tcb->task_state);
+  sinfo("  TCB=%p name=%s\n", tcb, tcb->argv[0]);
+  sinfo("    priority=%d state=%d\n", tcb->sched_priority, tcb->task_state);
 
 #if CONFIG_NFILE_DESCRIPTORS > 0
   filelist = tcb->group->tg_filelist;
@@ -96,8 +96,8 @@ static void _up_dumponexit(FAR struct tcb_s *tcb, FAR void *arg)
       struct inode *inode = filelist->fl_files[i].f_inode;
       if (inode)
         {
-          serr("      fd=%d refcount=%d\n",
-               i, inode->i_crefs);
+          sinfo("      fd=%d refcount=%d\n",
+                i, inode->i_crefs);
         }
     }
 #endif
@@ -110,11 +110,11 @@ static void _up_dumponexit(FAR struct tcb_s *tcb, FAR void *arg)
       if (filep->fs_fd >= 0)
         {
 #if CONFIG_STDIO_BUFFER_SIZE > 0
-          serr("      fd=%d nbytes=%d\n",
-               filep->fs_fd,
-               filep->fs_bufpos - filep->fs_bufstart);
+          sinfo("      fd=%d nbytes=%d\n",
+                filep->fs_fd,
+                filep->fs_bufpos - filep->fs_bufstart);
 #else
-          serr("      fd=%d\n", filep->fs_fd);
+          sinfo("      fd=%d\n", filep->fs_fd);
 #endif
         }
     }
@@ -147,10 +147,10 @@ void _exit(int status)
 
   (void)up_irq_save();
 
-  sllerr("TCB=%p exiting\n", this_task());
+  sllinfo("TCB=%p exiting\n", this_task());
 
 #if defined(CONFIG_DUMP_ON_EXIT) && defined(CONFIG_DEBUG_FEATURES)
-  sllerr("Other tasks:\n");
+  sllinfo("Other tasks:\n");
   sched_foreach(_up_dumponexit, NULL);
 #endif
 
diff --git a/arch/sh/src/common/up_initialize.c b/arch/sh/src/common/up_initialize.c
index 98c38fe504..89fb6579c3 100644
--- a/arch/sh/src/common/up_initialize.c
+++ b/arch/sh/src/common/up_initialize.c
@@ -82,13 +82,13 @@ static void up_calibratedelay(void)
 {
   int i;
 
-  sllerr("Beginning 100s delay\n");
+  sllwarn("Beginning 100s delay\n");
   for (i = 0; i < 100; i++)
     {
       up_mdelay(1000);
     }
 
-  sllerr("End 100s delay\n");
+  sllwarn("End 100s delay\n");
 }
 #else
 # define up_calibratedelay()
diff --git a/arch/sh/src/common/up_releasepending.c b/arch/sh/src/common/up_releasepending.c
index 3112f52532..1f36fd752b 100644
--- a/arch/sh/src/common/up_releasepending.c
+++ b/arch/sh/src/common/up_releasepending.c
@@ -67,7 +67,7 @@ void up_release_pending(void)
 {
   struct tcb_s *rtcb = this_task();
 
-  sllerr("From TCB=%p\n", rtcb);
+  sllinfo("From TCB=%p\n", rtcb);
 
   /* Merge the g_pendingtasks list into the ready-to-run task list */
 
diff --git a/arch/sh/src/common/up_reprioritizertr.c b/arch/sh/src/common/up_reprioritizertr.c
index 8578dfef47..bce7c4e144 100644
--- a/arch/sh/src/common/up_reprioritizertr.c
+++ b/arch/sh/src/common/up_reprioritizertr.c
@@ -95,7 +95,7 @@ void up_reprioritize_rtr(struct tcb_s *tcb, uint8_t priority)
       struct tcb_s *rtcb = this_task();
       bool switch_needed;
 
-      sllerr("TCB=%p PRI=%d\n", tcb, priority);
+      sllinfo("TCB=%p PRI=%d\n", tcb, priority);
 
       /* Remove the tcb task from the ready-to-run list.
        * sched_removereadytorun will return true if we just
diff --git a/arch/sh/src/m16c/m16c_schedulesigaction.c b/arch/sh/src/m16c/m16c_schedulesigaction.c
index 7394dce29c..23d105240b 100644
--- a/arch/sh/src/m16c/m16c_schedulesigaction.c
+++ b/arch/sh/src/m16c/m16c_schedulesigaction.c
@@ -93,7 +93,7 @@ void up_schedule_sigaction(struct tcb_s *tcb, sig_deliver_t sigdeliver)
 {
   irqstate_t flags;
 
-  serr("tcb=0x%p sigdeliver=0x%p\n", tcb, sigdeliver);
+  sinfo("tcb=0x%p sigdeliver=0x%p\n", tcb, sigdeliver);
 
   /* Make sure that interrupts are disabled */
 
@@ -107,7 +107,7 @@ void up_schedule_sigaction(struct tcb_s *tcb, sig_deliver_t sigdeliver)
        * being delivered to the currently executing task.
        */
 
-      serr("rtcb=0x%p g_current_regs=0x%p\n", this_task(), g_current_regs);
+      sinfo("rtcb=0x%p g_current_regs=0x%p\n", this_task(), g_current_regs);
 
       if (tcb == this_task())
         {
diff --git a/arch/sh/src/m16c/m16c_serial.c b/arch/sh/src/m16c/m16c_serial.c
index b89d70e898..34c3d9019a 100644
--- a/arch/sh/src/m16c/m16c_serial.c
+++ b/arch/sh/src/m16c/m16c_serial.c
@@ -588,7 +588,7 @@ static int up_setup(struct uart_dev_s *dev)
   else
 #endif
     {
-      err("Invalid UART #\n");
+      err("ERROR: Invalid UART #\n");
     }
 
   /* Set UART transmit/receive control register 1 to enable transmit and receive */
@@ -613,7 +613,7 @@ static int up_setup(struct uart_dev_s *dev)
     }
   else
     {
-      err("Invalid bits=%d\n", priv->bits);
+      err("ERROR: Invalid bits=%d\n", priv->bits);
     }
 
   if (priv->parity != 0)
@@ -665,7 +665,7 @@ static int up_setup(struct uart_dev_s *dev)
   else
 #endif
     {
-      err("Invalid UART #\n");
+      err("ERROR: Invalid UART #\n");
     }
 
   /* Read any data left in the RX fifo */
@@ -872,7 +872,7 @@ static void m16c_rxint(struct up_dev_s *dev, bool enable)
   else
 #endif
     {
-      err("Invalid UART #\n");
+      err("ERROR: Invalid UART #\n");
       return;
     }
 
@@ -1027,7 +1027,7 @@ static void m16c_txint(struct up_dev_s *dev, bool enable)
   else
 #endif
     {
-      err("Invalid UART #\n");
+      err("ERROR: Invalid UART #\n");
       return;
     }
 
diff --git a/arch/sh/src/m16c/m16c_sigdeliver.c b/arch/sh/src/m16c/m16c_sigdeliver.c
index c8612c5000..40976346f3 100644
--- a/arch/sh/src/m16c/m16c_sigdeliver.c
+++ b/arch/sh/src/m16c/m16c_sigdeliver.c
@@ -95,7 +95,7 @@ void up_sigdeliver(void)
 
   board_autoled_on(LED_SIGNAL);
 
-  serr("rtcb=%p sigdeliver=%p sigpendactionq.head=%p\n",
+  sinfo("rtcb=%p sigdeliver=%p sigpendactionq.head=%p\n",
         rtcb, rtcb->xcp.sigdeliver, rtcb->sigpendactionq.head);
   ASSERT(rtcb->xcp.sigdeliver != NULL);
 
@@ -128,7 +128,7 @@ void up_sigdeliver(void)
    * errno that is needed by the user logic (it is probably EINTR).
    */
 
-  serr("Resuming\n");
+  sinfo("Resuming\n");
   (void)up_irq_save();
   rtcb->pterrno = saved_errno;
 
diff --git a/arch/sh/src/sh1/sh1_irq.c b/arch/sh/src/sh1/sh1_irq.c
index 3f5ce17b4f..36164ae9d1 100644
--- a/arch/sh/src/sh1/sh1_irq.c
+++ b/arch/sh/src/sh1/sh1_irq.c
@@ -95,7 +95,7 @@ void up_prioritize_irq(int irq, int priority)
 #ifdef CONFIG_DEBUG_FEATURES
   if ((unsigned) irq > NR_IRQS || (unsigned)priority > 15)
     {
-      err("Invalid parameters\n");
+      err("ERROR: Invalid parameters\n");
       return;
     }
 #endif
@@ -260,7 +260,7 @@ void up_prioritize_irq(int irq, int priority)
 #endif
 
     default:
-      err("Invalid irq=%d\n", irq);
+      err("ERROR: Invalid irq=%d\n", irq);
       return;
     }
 
diff --git a/arch/sh/src/sh1/sh1_schedulesigaction.c b/arch/sh/src/sh1/sh1_schedulesigaction.c
index d1f87406d5..11c241ddea 100644
--- a/arch/sh/src/sh1/sh1_schedulesigaction.c
+++ b/arch/sh/src/sh1/sh1_schedulesigaction.c
@@ -93,7 +93,7 @@ void up_schedule_sigaction(struct tcb_s *tcb, sig_deliver_t sigdeliver)
 {
   irqstate_t flags;
 
-  serr("tcb=0x%p sigdeliver=0x%p\n", tcb, sigdeliver);
+  sinfo("tcb=0x%p sigdeliver=0x%p\n", tcb, sigdeliver);
 
   /* Make sure that interrupts are disabled */
 
@@ -107,7 +107,7 @@ void up_schedule_sigaction(struct tcb_s *tcb, sig_deliver_t sigdeliver)
        * being delivered to the currently executing task.
        */
 
-      serr("rtcb=0x%p g_current_regs=0x%p\n", this_task(), g_current_regs);
+      sinfo("rtcb=0x%p g_current_regs=0x%p\n", this_task(), g_current_regs);
 
       if (tcb == this_task())
         {
diff --git a/arch/sh/src/sh1/sh1_sigdeliver.c b/arch/sh/src/sh1/sh1_sigdeliver.c
index 7a408d293d..85b8f57978 100644
--- a/arch/sh/src/sh1/sh1_sigdeliver.c
+++ b/arch/sh/src/sh1/sh1_sigdeliver.c
@@ -95,7 +95,7 @@ void up_sigdeliver(void)
 
   board_autoled_on(LED_SIGNAL);
 
-  serr("rtcb=%p sigdeliver=%p sigpendactionq.head=%p\n",
+  sinfo("rtcb=%p sigdeliver=%p sigpendactionq.head=%p\n",
         rtcb, rtcb->xcp.sigdeliver, rtcb->sigpendactionq.head);
   ASSERT(rtcb->xcp.sigdeliver != NULL);
 
@@ -127,7 +127,7 @@ void up_sigdeliver(void)
    * errno that is needed by the user logic (it is probably EINTR).
    */
 
-  serr("Resuming\n");
+  sinfo("Resuming\n");
   (void)up_irq_save();
   rtcb->pterrno = saved_errno;