diff --git a/configure.ac b/configure.ac
index 1f5c343b9..d2623aff5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -642,9 +642,9 @@ AC_ARG_ENABLE(xephyr,         AS_HELP_STRING([--enable-xephyr], [Build the kdriv
 AC_ARG_ENABLE(xfake,          AS_HELP_STRING([--enable-xfake], [Build the kdrive 'fake' server (default: auto)]), [XFAKE=$enableval], [XFAKE=auto])
 AC_ARG_ENABLE(xfbdev,         AS_HELP_STRING([--enable-xfbdev], [Build the kdrive framebuffer device server (default: auto)]), [XFBDEV=$enableval], [XFBDEV=auto])
 dnl kdrive options
-AC_ARG_ENABLE(kdrive-kbd,     AS_HELP_STRING([--enable-kdrive-kbd], [Build kbd driver for kdrive (default: enabled)]), [KDRIVE_KBD=$enableval], [KDRIVE_KBD=yes])
-AC_ARG_ENABLE(kdrive-mouse,   AC_HELP_STRING([--enable-kdrive-mouse], [Build mouse driver for kdrive (default: enabled)]), [KDRIVE_MOUSE=$enableval], [KDRIVE_MOUSE=yes])
-AC_ARG_ENABLE(kdrive-evdev,   AC_HELP_STRING([--enable-kdrive-evdev], [Build evdev driver for kdrive (default: enabled)]), [KDRIVE_EVDEV=$enableval], [KDRIVE_EVDEV=yes])
+AC_ARG_ENABLE(kdrive-kbd,     AS_HELP_STRING([--enable-kdrive-kbd], [Build kbd driver for kdrive (default: auto)]), [KDRIVE_KBD=$enableval], [KDRIVE_KBD=auto])
+AC_ARG_ENABLE(kdrive-mouse,   AC_HELP_STRING([--enable-kdrive-mouse], [Build mouse driver for kdrive (default: auto)]), [KDRIVE_MOUSE=$enableval], [KDRIVE_MOUSE=auto])
+AC_ARG_ENABLE(kdrive-evdev,   AC_HELP_STRING([--enable-kdrive-evdev], [Build evdev driver for kdrive (default: auto)]), [KDRIVE_EVDEV=$enableval], [KDRIVE_EVDEV=auto])
 
 
 dnl chown/chmod to be setuid root as part of build
@@ -1988,9 +1988,6 @@ XEPHYR_LIBS=
 XEPHYR_INCS=
 
 AM_CONDITIONAL(KDRIVE, [test x$KDRIVE = xyes])
-AM_CONDITIONAL(KDRIVE_KBD, test "x$KDRIVE_KBD" = xyes)
-AM_CONDITIONAL(KDRIVE_EVDEV, test "x$KDRIVE_EVDEV" = xyes)
-AM_CONDITIONAL(KDRIVE_MOUSE, test "x$KDRIVE_MOUSE" = xyes)
 
 if test "$KDRIVE" = yes; then
     AC_DEFINE(KDRIVESERVER,1,[Build Kdrive X server])
@@ -2065,6 +2062,26 @@ if test "$KDRIVE" = yes; then
 	*linux*)
 	    KDRIVE_OS_LIB='$(top_builddir)/hw/kdrive/linux/liblinux.la'
             KDRIVELINUX=yes
+	    if test "x$KDRIVE_EVDEV" = xauto; then
+		KDRIVE_EVDEV=yes
+	    fi
+	    if test "x$KDRIVE_KBD" = xauto; then
+		KDRIVE_KBD=yes
+	    fi
+	    if test "x$KDRIVE_MOUSE" = xauto; then
+		KDRIVE_MOUSE=yes
+	    fi
+	    ;;
+	*)
+	    if test "x$KDRIVE_EVDEV" = xauto; then
+		KDRIVE_EVDEV=no
+	    fi
+	    if test "x$KDRIVE_KBD" = xauto; then
+		KDRIVE_KBD=no
+	    fi
+	    if test "x$KDRIVE_MOUSE" = xauto; then
+		KDRIVE_MOUSE=no
+	    fi
 	    ;;
     esac
     KDRIVE_STUB_LIB='$(top_builddir)/hw/kdrive/src/libkdrivestubs.la'
@@ -2083,6 +2100,9 @@ AC_SUBST([KDRIVE_PURE_LIBS])
 AC_SUBST([KDRIVE_LOCAL_LIBS])
 AC_SUBST([KDRIVE_LIBS])
 AM_CONDITIONAL(KDRIVELINUX, [test "x$KDRIVELINUX" = xyes])
+AM_CONDITIONAL(KDRIVE_EVDEV, [test "x$KDRIVE_EVDEV" = xyes])
+AM_CONDITIONAL(KDRIVE_KBD,   [test "x$KDRIVE_KBD" = xyes])
+AM_CONDITIONAL(KDRIVE_MOUSE, [test "x$KDRIVE_MOUSE" = xyes])
 AM_CONDITIONAL(TSLIB, [test "x$HAVE_TSLIB" = xyes])
 AM_CONDITIONAL(KDRIVEFBDEV, [test "x$XFBDEV" = xyes])
 AM_CONDITIONAL(XEPHYR, [test "x$KDRIVE" = xyes && test "x$XEPHYR" = xyes])
diff --git a/glx/glapitemp.h b/glx/glapitemp.h
index 09259f470..ddd67afec 100644
--- a/glx/glapitemp.h
+++ b/glx/glapitemp.h
@@ -27,7 +27,7 @@
  */
 
 
-#  if (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3)) && defined(__ELF__)
+#  if (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3) || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590))) && defined(__ELF__)
 #    define HIDDEN  __attribute__((visibility("hidden")))
 #  else
 #    define HIDDEN
diff --git a/glx/indirect_dispatch.h b/glx/indirect_dispatch.h
index 014e417c9..6cc322c24 100644
--- a/glx/indirect_dispatch.h
+++ b/glx/indirect_dispatch.h
@@ -28,7 +28,7 @@
 #if !defined( _INDIRECT_DISPATCH_H_ )
 #  define _INDIRECT_DISPATCH_H_
 
-#  if (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3)) && defined(__ELF__)
+#  if (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3) || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590))) && defined(__ELF__)
 #    define HIDDEN  __attribute__((visibility("hidden")))
 #  else
 #    define HIDDEN
diff --git a/glx/indirect_reqsize.h b/glx/indirect_reqsize.h
index 26211ee5c..05ad5913f 100644
--- a/glx/indirect_reqsize.h
+++ b/glx/indirect_reqsize.h
@@ -28,13 +28,13 @@
 #if !defined( _INDIRECT_REQSIZE_H_ )
 #  define _INDIRECT_REQSIZE_H_
 
-#  if (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3)) && defined(__ELF__)
+#  if (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3) || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590))) && defined(__ELF__)
 #    define HIDDEN  __attribute__((visibility("hidden")))
 #  else
 #    define HIDDEN
 #  endif
 
-#  if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96)
+#  if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96) || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590))
 #    define PURE __attribute__((pure))
 #  else
 #    define PURE
diff --git a/glx/indirect_size.h b/glx/indirect_size.h
index 9ba0bd690..af0919f96 100644
--- a/glx/indirect_size.h
+++ b/glx/indirect_size.h
@@ -36,7 +36,7 @@
  * \author Ian Romanick <idr@us.ibm.com>
  */
 
-#  if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96)
+#  if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96) || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590))
 #    define PURE __attribute__((pure))
 #  else
 #    define PURE
@@ -48,7 +48,7 @@
 #    define FASTCALL
 #  endif
 
-#  if (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3)) && defined(__ELF__)
+#  if (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3) || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590))) && defined(__ELF__)
 #    define INTERNAL  __attribute__((visibility("internal")))
 #  else
 #    define INTERNAL
diff --git a/glx/indirect_size_get.c b/glx/indirect_size_get.c
index 80f81dec6..475aa58ee 100644
--- a/glx/indirect_size_get.c
+++ b/glx/indirect_size_get.c
@@ -32,7 +32,7 @@
 #include "indirect_util.h"
 #include "indirect_size.h"
 
-#  if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96)
+#  if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96) || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590))
 #    define PURE __attribute__((pure))
 #  else
 #    define PURE
@@ -44,7 +44,7 @@
 #    define FASTCALL
 #  endif
 
-#  if (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3)) && defined(__ELF__)
+#  if (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3) || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590))) && defined(__ELF__)
 #    define INTERNAL  __attribute__((visibility("internal")))
 #  else
 #    define INTERNAL
diff --git a/glx/indirect_size_get.h b/glx/indirect_size_get.h
index 4fcb55b4e..378baa673 100644
--- a/glx/indirect_size_get.h
+++ b/glx/indirect_size_get.h
@@ -36,7 +36,7 @@
  * \author Ian Romanick <idr@us.ibm.com>
  */
 
-#  if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96)
+#  if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96) || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590))
 #    define PURE __attribute__((pure))
 #  else
 #    define PURE
@@ -48,7 +48,7 @@
 #    define FASTCALL
 #  endif
 
-#  if (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3)) && defined(__ELF__)
+#  if (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3) || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590))) && defined(__ELF__)
 #    define INTERNAL  __attribute__((visibility("internal")))
 #  else
 #    define INTERNAL
diff --git a/hw/xfree86/common/xf86Events.c b/hw/xfree86/common/xf86Events.c
index 8cd765a1c..ebf03bfe7 100644
--- a/hw/xfree86/common/xf86Events.c
+++ b/hw/xfree86/common/xf86Events.c
@@ -194,47 +194,40 @@ xf86ProcessActionEvent(ActionEvent action, void *arg)
 	if (!xf86Info.dontZoom)
 	    xf86ZoomViewport(xf86Info.currentScreen, -1);
 	break;
-#if defined(VT_ACTIVATE)
     case ACTION_SWITCHSCREEN:
 	if (VTSwitchEnabled && !xf86Info.dontVTSwitch && arg) {
 	    int vtno = *((int *) arg);
-#if defined(__SCO__) || defined(__UNIXWARE__)
-	    vtno--;
-#endif
-#if defined(sun)
-	    if (vtno == xf86Info.vtno)
-		break;
 
-	    xf86Info.vtRequestsPending = TRUE;
-	    xf86Info.vtPendingNum = vtno;
-#else
-	    if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, vtno) < 0)
-		ErrorF("Failed to switch consoles (%s)\n", strerror(errno));
-#endif
+	    if (vtno != xf86Info.vtno) {
+		if (!xf86VTActivate(vtno)) {
+		    ErrorF("Failed to switch from vt%02d to vt%02d: %s\n",
+			   xf86Info.vtno, vtno, strerror(errno));
+		}
+	    }
 	}
 	break;
     case ACTION_SWITCHSCREEN_NEXT:
 	if (VTSwitchEnabled && !xf86Info.dontVTSwitch) {
-#if defined(__SCO__) || defined(__UNIXWARE__)
-	    if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, xf86Info.vtno) < 0)
-#else
-	    if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, xf86Info.vtno + 1) < 0)
-#endif
-#if defined (__SCO__) || (defined(sun) && defined (__i386__) && defined (SVR4)) || defined(__UNIXWARE__)
-		if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, 0) < 0)
-#else
-		if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, 1) < 0)
-#endif
-		    ErrorF("Failed to switch consoles (%s)\n", strerror(errno));
+	    if (!xf86VTActivate(xf86Info.vtno + 1)) {
+		/* If first try failed, assume this is the last VT and
+		 * try wrapping around to the first vt.
+		 */
+		if (!xf86VTActivate(1)) {
+		    ErrorF("Failed to switch from vt%02d to next vt: %s\n",
+			   xf86Info.vtno, strerror(errno));
+		}
+	    }
 	}
 	break;
     case ACTION_SWITCHSCREEN_PREV:
 	if (VTSwitchEnabled && !xf86Info.dontVTSwitch && xf86Info.vtno > 0) {
-	    if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, xf86Info.vtno - 1) < 0)
-		ErrorF("Failed to switch consoles (%s)\n", strerror(errno));
+	    if (!xf86VTActivate(xf86Info.vtno - 1)) {
+		/* Don't know what the maximum VT is, so can't wrap around */
+		ErrorF("Failed to switch from vt%02d to previous vt: %s\n",
+		       xf86Info.vtno, strerror(errno));
+	    }
 	}
 	break;
-#endif
     default:
 	break;
     }
diff --git a/hw/xfree86/os-support/bsd/bsd_VTsw.c b/hw/xfree86/os-support/bsd/bsd_VTsw.c
index 476a0e957..4842be5c9 100644
--- a/hw/xfree86/os-support/bsd/bsd_VTsw.c
+++ b/hw/xfree86/os-support/bsd/bsd_VTsw.c
@@ -92,3 +92,12 @@ xf86VTSwitchTo()
 #endif
 	return(TRUE);
 }
+
+Bool
+xf86VTActivate(int vtno)
+{
+	if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, vtno) < 0) {
+		return(FALSE);
+	}
+	return(TRUE);
+}
diff --git a/hw/xfree86/os-support/sco/VTsw_sco.c b/hw/xfree86/os-support/sco/VTsw_sco.c
index d126e7869..0a59fb965 100644
--- a/hw/xfree86/os-support/sco/VTsw_sco.c
+++ b/hw/xfree86/os-support/sco/VTsw_sco.c
@@ -115,3 +115,13 @@ xf86VTSwitchTo(void)
     return TRUE;
   }
 }
+
+Bool
+xf86VTActivate(int vtno)
+{
+	if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, vtno - 1) < 0) {
+		return(FALSE);
+	}
+
+	return(TRUE);
+}
diff --git a/hw/xfree86/os-support/shared/VTsw_noop.c b/hw/xfree86/os-support/shared/VTsw_noop.c
index 78cbe0e34..3425840a2 100644
--- a/hw/xfree86/os-support/shared/VTsw_noop.c
+++ b/hw/xfree86/os-support/shared/VTsw_noop.c
@@ -52,3 +52,9 @@ xf86VTSwitchTo(void)
 {
 	return(TRUE);
 }
+
+Bool
+xf86VTActivate(int vtno)
+{
+	return(TRUE);
+}
diff --git a/hw/xfree86/os-support/shared/VTsw_usl.c b/hw/xfree86/os-support/shared/VTsw_usl.c
index 9308640e2..393f1c0b9 100644
--- a/hw/xfree86/os-support/shared/VTsw_usl.c
+++ b/hw/xfree86/os-support/shared/VTsw_usl.c
@@ -88,3 +88,14 @@ xf86VTSwitchTo(void)
 		return(TRUE);
 	}
 }
+
+Bool
+xf86VTActivate(int vtno)
+{
+#ifdef VT_ACTIVATE
+	if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, vtno) < 0) {
+		return(FALSE);
+	}
+#endif
+	return(TRUE);
+}
diff --git a/hw/xfree86/os-support/solaris/sun_VTsw.c b/hw/xfree86/os-support/solaris/sun_VTsw.c
index ded2f271e..1e2774b11 100644
--- a/hw/xfree86/os-support/solaris/sun_VTsw.c
+++ b/hw/xfree86/os-support/solaris/sun_VTsw.c
@@ -38,17 +38,27 @@
  * Handle the VT-switching interface for Solaris/OpenSolaris
  */
 
-void
-xf86VTRequest(int sig)
-{
-	if (xf86Info.vtPendingNum != -1)
-	{
-		ioctl(xf86Info.consoleFd, VT_RELDISP, 1);
-		xf86Info.vtPendingNum = -1;
+static int xf86VTPruneDoor = 0;
 
+void
+xf86VTRelease(int sig)
+{
+	if (xf86Info.vtPendingNum == -1)
+	{
+		xf86VTPruneDoor = 1;
+		xf86Info.vtRequestsPending = TRUE;
 		return;
 	}
 
+	ioctl(xf86Info.consoleFd, VT_RELDISP, 1);
+	xf86Info.vtPendingNum = -1;
+
+	return;
+}
+
+void
+xf86VTAcquire(int sig)
+{
 	xf86Info.vtRequestsPending = TRUE;
 	return;
 }
@@ -68,6 +78,12 @@ xf86VTSwitchAway(void)
 
 	xf86Info.vtRequestsPending = FALSE;
 
+	if (xf86VTPruneDoor) {
+		xf86VTPruneDoor = 0;
+		ioctl(xf86Info.consoleFd, VT_RELDISP, 1);
+		return (TRUE);
+	}
+
 	vt_door_arg.vt_ev = VT_EV_HOTKEYS;
 	vt_door_arg.vt_num = xf86Info.vtPendingNum;
 	door_arg.data_ptr = (char *)&vt_door_arg;
@@ -102,3 +118,20 @@ xf86VTSwitchTo(void)
 		return(TRUE);
 	}
 }
+
+Bool
+xf86VTActivate(int vtno)
+{
+	struct vt_stat state;
+
+	if (ioctl(xf86Info.consoleFd, VT_GETSTATE, &state) < 0)
+		return(FALSE);
+
+	if ((state.v_state & (1 << vtno)) == 0)
+		return(FALSE);
+
+	xf86Info.vtRequestsPending = TRUE;
+	xf86Info.vtPendingNum = vtno;
+
+	return(TRUE);
+}
diff --git a/hw/xfree86/os-support/solaris/sun_init.c b/hw/xfree86/os-support/solaris/sun_init.c
index 2c569f02c..5846866a2 100644
--- a/hw/xfree86/os-support/solaris/sun_init.c
+++ b/hw/xfree86/os-support/solaris/sun_init.c
@@ -39,6 +39,8 @@ static Bool Protect0 = FALSE;
 static int VTnum = -1;
 static int xf86StartVT = -1;
 static int vtEnabled = 0;
+extern void xf86VTAcquire(int);
+extern void xf86VTRelease(int);
 #endif
 
 /* Device to open as xf86Info.consoleFd */
@@ -137,7 +139,8 @@ xf86OpenConsole(void)
 	    else
 	    {
 		if ((ioctl(fd, VT_OPENQRY, &xf86Info.vtno) < 0) ||
-		    (xf86Info.vtno == -1)) {
+		    (xf86Info.vtno == -1))
+		{
 		    FatalError("xf86OpenConsole: Cannot find a free VT\n");
 		}
 	    }
@@ -146,7 +149,8 @@ xf86OpenConsole(void)
 	    snprintf(consoleDev, PATH_MAX, "/dev/vt/%d", xf86Info.vtno);
 	}
 
-	if (fd != -1) {
+	if (fd != -1)
+	{
 	    close(fd);
 	}
 
@@ -178,11 +182,12 @@ xf86OpenConsole(void)
 	    if (ioctl(xf86Info.consoleFd, VT_GETMODE, &VT) < 0)
 		FatalError("xf86OpenConsole: VT_GETMODE failed\n");
 
-	    OsSignal(SIGUSR1, xf86VTRequest);
+	    OsSignal(SIGUSR1, xf86VTAcquire);
+	    OsSignal(SIGUSR2, xf86VTRelease);
 
 	    VT.mode = VT_PROCESS;
-	    VT.relsig = SIGUSR1;
 	    VT.acqsig = SIGUSR1;
+	    VT.relsig = SIGUSR2;
 
 	    if (ioctl(xf86Info.consoleFd, VT_SETMODE, &VT) < 0)
 		FatalError("xf86OpenConsole: VT_SETMODE VT_PROCESS failed\n");
@@ -204,7 +209,8 @@ xf86OpenConsole(void)
     else /* serverGeneration != 1 */
     {
 #ifdef HAS_USL_VTS
-	if (vtEnabled) {
+	if (vtEnabled)
+	{
 	    /*
 	     * Now re-get the VT
 	     */
@@ -285,7 +291,8 @@ xf86CloseConsole(void)
 #endif
 
 #ifdef HAS_USL_VTS
-    if (vtEnabled == 1) {
+    if (vtEnabled)
+    {
 	if (ioctl(xf86Info.consoleFd, VT_GETMODE, &VT) != -1)
 	{
 	    VT.mode = VT_AUTO;		/* Set default vt handling */
diff --git a/hw/xfree86/os-support/xf86_OSproc.h b/hw/xfree86/os-support/xf86_OSproc.h
index c1a117334..f0cb768be 100644
--- a/hw/xfree86/os-support/xf86_OSproc.h
+++ b/hw/xfree86/os-support/xf86_OSproc.h
@@ -199,6 +199,7 @@ extern _X_EXPORT Bool xf86SIGIOSupported (void);
 typedef void (*PMClose)(void);
 extern _X_EXPORT void xf86OpenConsole(void);
 extern _X_EXPORT void xf86CloseConsole(void);
+extern _X_HIDDEN Bool xf86VTActivate(int vtno);
 extern _X_EXPORT Bool xf86VTSwitchPending(void);
 extern _X_EXPORT Bool xf86VTSwitchAway(void);
 extern _X_EXPORT Bool xf86VTSwitchTo(void);
diff --git a/os/log.c b/os/log.c
index 08fa1f229..e20b6d357 100644
--- a/os/log.c
+++ b/os/log.c
@@ -187,7 +187,7 @@ LogInit(const char *fname, const char *backup)
 		sprintf(oldLog, "%s%s", logFileName, suffix);
 		free(suffix);
 		if (rename(logFileName, oldLog) == -1) {
-		    FatalError("Cannot move old log file (\"%s\" to \"%s\"\n",
+		    FatalError("Cannot move old log file \"%s\" to \"%s\"\n",
 			       logFileName, oldLog);
 		}
 		free(oldLog);