--- a/audio/ossaudio.c
+++ b/audio/ossaudio.c
@@ -30,6 +30,9 @@
 #else
 #include <sys/soundcard.h>
 #endif
+#ifdef __FreeBSD__
+#include <sys/sysctl.h>
+#endif
 #include "qemu-common.h"
 #include "host-utils.h"
 #include "qemu-char.h"
@@ -240,6 +243,31 @@ static void oss_dump_info (struct oss_pa
 }
 #endif
 
+#ifdef __FreeBSD__
+/*
+ * Get FreeBSD's internal sound driver version, this is the same as
+ * SND_DRV_VERSION in src/sys/dev/sound/version.h .
+ *
+ * Returns 0 on error.
+ */
+static unsigned
+freebsd_snd_version(void)
+{
+    static unsigned snd_version = 0;
+    char buf[64];
+    size_t buflen = sizeof(buf);
+
+    if (snd_version) {
+        return snd_version;
+    }
+    if (sysctlbyname("hw.snd.version", buf, &buflen, NULL, 0) == -1) {
+        return 0;
+    }
+    snd_version = strtoul(buf, (char **)NULL, 10);
+    return snd_version;
+}
+#endif
+
 static int oss_open (int in, struct oss_params *req,
                      struct oss_params *obt, int *pfd)
 {
@@ -288,8 +316,26 @@ static int oss_open (int in, struct oss_
 #ifdef USE_DSP_POLICY
     if (conf.policy >= 0) {
         int version;
+#ifdef __FreeBSD__
+        /*
+         * Looks like atm (20100109) FreeBSD knows OSS_GETVERSION
+         * since 7.x, but currently only on the mixer device (or in
+         * the Linuxolator), and in the native version that part of
+         * the code is in fact never reached so the ioctl fails anyway.
+         * Until this is fixed, check the internal version as returned
+         * by the hw.snd.version sysctl.
+         * TODO: Check how this works on debian/kFreeBSD
+         * (#ifdef __FreeBSD_kernel__)
+         */
+        unsigned sndversion = freebsd_snd_version();
+#endif
 
-        if (ioctl (fd, OSS_GETVERSION, &version)) {
+        if (ioctl (fd, OSS_GETVERSION, &version)
+#ifdef __FreeBSD__
+            && ((version = (sndversion >= 2007060100 ? 0x040000 : 0)),
+                (sndversion == 0))
+#endif
+        ) {
             oss_logerr2 (errno, typ, "Failed to get OSS version\n");
         }
         else {