diff --git a/Xi/exevents.c b/Xi/exevents.c
index 02530bdee..b0bc47e6d 100644
--- a/Xi/exevents.c
+++ b/Xi/exevents.c
@@ -661,6 +661,8 @@ void
 DeepCopyDeviceClasses(DeviceIntPtr from, DeviceIntPtr to,
                       DeviceChangedEvent *dce)
 {
+    OsBlockSIGIO();
+
     /* generic feedback classes, not tied to pointer and/or keyboard */
     DeepCopyFeedbackClasses(from, to);
 
@@ -668,6 +670,8 @@ DeepCopyDeviceClasses(DeviceIntPtr from, DeviceIntPtr to,
         DeepCopyKeyboardClasses(from, to);
     if ((dce->flags & DEVCHANGE_POINTER_EVENT))
         DeepCopyPointerClasses(from, to);
+
+    OsReleaseSIGIO();
 }
 
 /**
diff --git a/config/10-quirks.conf b/config/10-quirks.conf
index c9b823ceb..47907d82d 100644
--- a/config/10-quirks.conf
+++ b/config/10-quirks.conf
@@ -19,22 +19,6 @@ Section "InputClass"
         Option "IgnoreRelativeAxes" "off"
 EndSection
 
-# https://bugzilla.redhat.com/show_bug.cgi?id=612140
-# please make Evoluent VerticalMouse 3 work out of the box
-# Button mapping on this mouse is quirky
-Section "InputClass"
-	Identifier "Evoluent VerticalMouse 3"
-        MatchProduct "Evoluent VerticalMouse 3"
-        # Sets following configuration:
-        # top button:    left
-        # middle button: middle
-        # bottom button: right
-        # wheel click:   middle
-        # thumb button:  8 (back)
-	Option "ButtonMapping" "1 2 2 4 5 6 7 3 8"
-EndSection
-
-
 # https://bugs.freedesktop.org/show_bug.cgi?id=55867
 # Bug 55867 - Doesn't know how to tag XI_TRACKBALL
 Section "InputClass"
diff --git a/hw/xfree86/xorgconf.cpp b/hw/xfree86/xorgconf.cpp
index cd6d4a983..a903438b6 100644
--- a/hw/xfree86/xorgconf.cpp
+++ b/hw/xfree86/xorgconf.cpp
@@ -97,7 +97,7 @@ Section "ServerFlags"
 # Uncomment this to disable the <Ctrl><Alt><BS> server abort sequence
 # This allows clients to receive this key event.
 
-#    Option	"DontZap"	"false"
+#    Option	"DontZap"	"true"
 
 # Uncomment this to disable the <Ctrl><Alt><KP_+>/<KP_-> mode switching
 # sequences.  This allows clients to receive these key events.
diff --git a/man/Xserver.man b/man/Xserver.man
index b103551fa..7a74e8541 100644
--- a/man/Xserver.man
+++ b/man/Xserver.man
@@ -223,9 +223,8 @@ turns on auto-repeat.
 .B -retro
 starts the stipple with the classic stipple and cursor visible.  The default
 is to start with a black root window, and to suppress display of the cursor
-until the first time an application calls XDefineCursor().  For the Xorg
-server, this also sets the default for the DontZap option to FALSE.  For
-kdrive servers, this implies -zap.
+until the first time an application calls XDefineCursor(). For kdrive
+servers, this implies -zap.
 .TP 8
 .B \-s \fIminutes\fP
 sets screen-saver timeout time in minutes.
diff --git a/os/log.c b/os/log.c
index a0f2a81f3..a368569d0 100644
--- a/os/log.c
+++ b/os/log.c
@@ -342,7 +342,7 @@ out:
  * which directives you use.
  */
 static int
-pnprintf(char *string, size_t size, const char *f, va_list args)
+vpnprintf(char *string, int size_in, const char *f, va_list args)
 {
     int f_idx = 0;
     int s_idx = 0;
@@ -353,6 +353,7 @@ pnprintf(char *string, size_t size, const char *f, va_list args)
     int i;
     uint64_t ui;
     int64_t si;
+    size_t size = size_in;
 
     for (; f_idx < f_len && s_idx < size - 1; f_idx++) {
         int length_modifier = 0;
@@ -484,6 +485,19 @@ pnprintf(char *string, size_t size, const char *f, va_list args)
     return s_idx;
 }
 
+static int
+pnprintf(char *string, int size, const char *f, ...)
+{
+    int rc;
+    va_list args;
+
+    va_start(args, f);
+    rc = vpnprintf(string, size, f, args);
+    va_end(args);
+
+    return rc;
+}
+
 /* This function does the actual log message writes. It must be signal safe.
  * When attempting to call non-signal-safe functions, guard them with a check
  * of the inSignalContext global variable. */
@@ -597,7 +611,6 @@ LogMessageTypeVerbString(MessageType type, int verb)
 void
 LogVMessageVerb(MessageType type, int verb, const char *format, va_list args)
 {
-    static unsigned int warned;
     const char *type_str;
     char buf[1024];
     const size_t size = sizeof(buf);
@@ -605,17 +618,8 @@ LogVMessageVerb(MessageType type, int verb, const char *format, va_list args)
     size_t len = 0;
 
     if (inSignalContext) {
-        if (warned < 3) {
-            BUG_WARN_MSG(inSignalContext,
-                         "Warning: attempting to log data in a signal unsafe "
-                         "manner while in signal context.\nPlease update to check "
-                         "inSignalContext and/or use LogMessageVerbSigSafe() or "
-                         "ErrorFSigSafe().\nThe offending log format message is:\n"
-                         "%s\n", format);
-            warned++;
-            if (warned == 3)
-                LogMessageVerbSigSafe(X_WARNING, -1, "Warned %u times about sigsafe logging. Will be quiet now.\n", warned);
-        }
+        LogVMessageVerbSigSafe(type, verb, format, args);
+        return;
     }
 
     type_str = LogMessageTypeVerbString(type, verb);
@@ -687,7 +691,7 @@ LogVMessageVerbSigSafe(MessageType type, int verb, const char *format, va_list a
         LogSWrite(verb, " ", 1, FALSE);
     }
 
-    len = pnprintf(buf, sizeof(buf), format, args);
+    len = vpnprintf(buf, sizeof(buf), format, args);
 
     /* Force '\n' at end of truncated line */
     if (sizeof(buf) - len == 1)
@@ -701,40 +705,37 @@ void
 LogVHdrMessageVerb(MessageType type, int verb, const char *msg_format,
                    va_list msg_args, const char *hdr_format, va_list hdr_args)
 {
-    static unsigned int warned;
     const char *type_str;
     char buf[1024];
     const size_t size = sizeof(buf);
     Bool newline;
     size_t len = 0;
-
-    if (inSignalContext) {
-        if (warned < 3) {
-            BUG_WARN_MSG(inSignalContext,
-                         "Warning: attempting to log data in a signal unsafe "
-                         "manner while in signal context.\nPlease update to check "
-                         "inSignalContext and/or use LogMessageVerbSigSafe().\nThe "
-                         "offending header and log message formats are:\n%s %s\n",
-                         hdr_format, msg_format);
-            warned++;
-            if (warned == 3)
-                LogMessageVerbSigSafe(X_WARNING, -1, "Warned %u times about sigsafe logging. Will be quiet now.\n", warned);
-        }
-    }
+    int (*vprintf_func)(char *, int, const char* _X_RESTRICT_KYWD f, va_list args)
+            _X_ATTRIBUTE_PRINTF(3, 0);
+    int (*printf_func)(char *, int, const char* _X_RESTRICT_KYWD f, ...)
+            _X_ATTRIBUTE_PRINTF(3, 4);
 
     type_str = LogMessageTypeVerbString(type, verb);
     if (!type_str)
         return;
 
+    if (inSignalContext) {
+        vprintf_func = vpnprintf;
+        printf_func = pnprintf;
+    } else {
+        vprintf_func = Xvscnprintf;
+        printf_func = Xscnprintf;
+    }
+
     /* if type_str is not "", prepend it and ' ', to message */
     if (type_str[0] != '\0')
-        len += Xscnprintf(&buf[len], size - len, "%s ", type_str);
+        len += printf_func(&buf[len], size - len, "%s ", type_str);
 
     if (hdr_format && size - len > 1)
-        len += Xvscnprintf(&buf[len], size - len, hdr_format, hdr_args);
+        len += vprintf_func(&buf[len], size - len, hdr_format, hdr_args);
 
     if (msg_format && size - len > 1)
-        len += Xvscnprintf(&buf[len], size - len, msg_format, msg_args);
+        len += vprintf_func(&buf[len], size - len, msg_format, msg_args);
 
     /* Force '\n' at end of truncated line */
     if (size - len == 1)