diff --git a/ChangeLog b/ChangeLog
index c46769e467..1f0d26530b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,13 @@
+Fri Oct 10 17:51:00 BST 2008 Daniel P. Berrange <berrange@redhat.com>
+
+	* docs/libvirt.rng: Document SDL attributes in schema
+	* src/qemu_conf.c, src/qemu_conf.h, src/qemu_driver.c: Support
+	SDL display configuration
+	* tests/qemuxml2argvtest.c: Set predictable env vars for SDL
+	tests.
+	* tests/qemuxml2argvdata/*.args: Add new env vars now set
+	explicitly
+
 Fri Oct 10 17:03:00 BST 2008 Daniel P. Berrange <berrange@redhat.com>
 
 	* src/domain_conf.c, src/domain_conf.h, src/lxc_container.c,
diff --git a/docs/libvirt.rng b/docs/libvirt.rng
index 81ec33babc..fdc841506d 100644
--- a/docs/libvirt.rng
+++ b/docs/libvirt.rng
@@ -645,9 +645,21 @@
   <define name='graphic'>
     <element name='graphics'>
       <choice>
-        <attribute name='type'>
-	  <value>sdl</value>
-	</attribute>
+	<group>
+          <attribute name='type'>
+	    <value>sdl</value>
+	  </attribute>
+	  <optional>
+	    <attribute name='display'>
+	      <text/>
+	    </attribute>
+	  </optional>
+	  <optional>
+	    <attribute name='xauth'>
+	      <text/>
+	    </attribute>
+	  </optional>
+	</group>
 	<group>
           <attribute name='type'>
 	    <value>vnc</value>
diff --git a/src/qemu_conf.c b/src/qemu_conf.c
index 673ea6db5b..c7168a3be7 100644
--- a/src/qemu_conf.c
+++ b/src/qemu_conf.c
@@ -28,6 +28,7 @@
 #include <limits.h>
 #include <sys/types.h>
 #include <sys/stat.h>
+#include <stdlib.h>
 #include <unistd.h>
 #include <errno.h>
 #include <fcntl.h>
@@ -694,6 +695,7 @@ int qemudBuildCommandLine(virConnectPtr conn,
                           virDomainObjPtr vm,
                           unsigned int qemuCmdFlags,
                           const char ***retargv,
+                          const char ***retenv,
                           int **tapfds,
                           int *ntapfds,
                           const char *migrateFrom) {
@@ -705,6 +707,8 @@ int qemudBuildCommandLine(virConnectPtr conn,
     int disableKQEMU = 0;
     int qargc = 0, qarga = 0;
     const char **qargv = NULL;
+    int qenvc = 0, qenva = 0;
+    const char **qenv = NULL;
     const char *emulator;
 
     uname(&ut);
@@ -752,15 +756,60 @@ int qemudBuildCommandLine(virConnectPtr conn,
     do {                                                                \
         ADD_ARG_LIT("-usbdevice");                                      \
         ADD_ARG_SPACE;                                                  \
-        if ((asprintf((char **)&(qargv[qargc++]), "disk:%s", thisarg)) == -1) {    \
+        if ((asprintf((char **)&(qargv[qargc++]),                       \
+                      "disk:%s", thisarg)) == -1) {                     \
             qargv[qargc-1] = NULL;                                      \
             goto no_memory;                                             \
         }                                                               \
     } while (0)
 
+#define ADD_ENV_SPACE                                                   \
+    do {                                                                \
+        if (qenvc == qenva) {                                           \
+            qenva += 10;                                                \
+            if (VIR_REALLOC_N(qenv, qenva) < 0)                         \
+                goto no_memory;                                         \
+        }                                                               \
+    } while (0)
+
+#define ADD_ENV(thisarg)                                                \
+    do {                                                                \
+        ADD_ENV_SPACE;                                                  \
+        qenv[qenvc++] = thisarg;                                        \
+    } while (0)
+
+#define ADD_ENV_LIT(thisarg)                                            \
+    do {                                                                \
+        ADD_ENV_SPACE;                                                  \
+        if ((qenv[qenvc++] = strdup(thisarg)) == NULL)                  \
+            goto no_memory;                                             \
+    } while (0)
+
+#define ADD_ENV_COPY(envname)                                           \
+    do {                                                                \
+        char *val = getenv(envname);                                    \
+        char *envval;                                                   \
+        ADD_ENV_SPACE;                                                  \
+        if (val != NULL) {                                              \
+            if (asprintf(&envval, "%s=%s", envname, val) < 0)           \
+                goto no_memory;                                         \
+            qenv[qenvc++] = envval;                                     \
+        }                                                               \
+    } while (0)
+
     snprintf(memory, sizeof(memory), "%lu", vm->def->memory/1024);
     snprintf(vcpus, sizeof(vcpus), "%lu", vm->def->vcpus);
 
+    ADD_ENV_LIT("LC_ALL=C");
+
+    ADD_ENV_COPY("LD_PRELOAD");
+    ADD_ENV_COPY("LD_LIBRARY_PATH");
+    ADD_ENV_COPY("PATH");
+    ADD_ENV_COPY("HOME");
+    ADD_ENV_COPY("USER");
+    ADD_ENV_COPY("LOGNAME");
+    ADD_ENV_COPY("TMPDIR");
+
     emulator = vm->def->emulator;
     if (!emulator)
         emulator = virDomainDefDefaultEmulator(conn, vm->def, driver->caps);
@@ -1134,7 +1183,24 @@ int qemudBuildCommandLine(virConnectPtr conn,
         }
     } else if (vm->def->graphics &&
                vm->def->graphics->type == VIR_DOMAIN_GRAPHICS_TYPE_SDL) {
-        /* SDL is the default. no args needed */
+        char *xauth = NULL;
+        char *display = NULL;
+
+        if (vm->def->graphics->data.sdl.xauth &&
+            asprintf(&xauth, "XAUTHORITY=%s",
+                     vm->def->graphics->data.sdl.xauth) < 0)
+            goto no_memory;
+        if (vm->def->graphics->data.sdl.display &&
+            asprintf(&display, "DISPLAY=%s",
+                     vm->def->graphics->data.sdl.display) < 0) {
+            VIR_FREE(xauth);
+            goto no_memory;
+        }
+
+        if (xauth)
+            ADD_ENV(xauth);
+        if (display)
+            ADD_ENV(display);
     }
 
     /* Add sound hardware */
@@ -1196,8 +1262,10 @@ int qemudBuildCommandLine(virConnectPtr conn,
     }
 
     ADD_ARG(NULL);
+    ADD_ENV(NULL);
 
     *retargv = qargv;
+    *retenv = qenv;
     return 0;
 
  no_memory:
@@ -1216,9 +1284,19 @@ int qemudBuildCommandLine(virConnectPtr conn,
             VIR_FREE((qargv)[i]);
         VIR_FREE(qargv);
     }
+    if (qenv) {
+        for (i = 0 ; i < qenvc ; i++)
+            VIR_FREE((qenv)[i]);
+        VIR_FREE(qenv);
+    }
     return -1;
 
 #undef ADD_ARG
 #undef ADD_ARG_LIT
 #undef ADD_ARG_SPACE
+#undef ADD_USBDISK
+#undef ADD_ENV
+#undef ADD_ENV_COPY
+#undef ADD_ENV_LIT
+#undef ADD_ENV_SPACE
 }
diff --git a/src/qemu_conf.h b/src/qemu_conf.h
index d6e84ae1ac..cfd7d35609 100644
--- a/src/qemu_conf.h
+++ b/src/qemu_conf.h
@@ -86,7 +86,8 @@ int         qemudBuildCommandLine       (virConnectPtr conn,
                                          struct qemud_driver *driver,
                                          virDomainObjPtr dom,
                                          unsigned int qemuCmdFlags,
-                                         const char ***argv,
+                                         const char ***retargv,
+                                         const char ***retenv,
                                          int **tapfds,
                                          int *ntapfds,
                                          const char *migrateFrom);
diff --git a/src/qemu_driver.c b/src/qemu_driver.c
index 22a81c51f2..689c992b26 100644
--- a/src/qemu_driver.c
+++ b/src/qemu_driver.c
@@ -747,6 +747,7 @@ static int qemudStartVMDaemon(virConnectPtr conn,
                               virDomainObjPtr vm,
                               const char *migrateFrom) {
     const char **argv = NULL, **tmp;
+    const char **progenv = NULL;
     int i, ret;
     char logfile[PATH_MAX];
     struct stat sb;
@@ -842,13 +843,23 @@ static int qemudStartVMDaemon(virConnectPtr conn,
     }
 
     if (qemudBuildCommandLine(conn, driver, vm,
-                              qemuCmdFlags, &argv,
+                              qemuCmdFlags, &argv, &progenv,
                               &tapfds, &ntapfds, migrateFrom) < 0) {
         close(vm->logfile);
         vm->logfile = -1;
         return -1;
     }
 
+    tmp = progenv;
+    while (*tmp) {
+        if (safewrite(vm->logfile, *tmp, strlen(*tmp)) < 0)
+            qemudLog(QEMUD_WARN, _("Unable to write envv to logfile %d: %s\n"),
+                     errno, strerror(errno));
+        if (safewrite(vm->logfile, " ", 1) < 0)
+            qemudLog(QEMUD_WARN, _("Unable to write envv to logfile %d: %s\n"),
+                     errno, strerror(errno));
+        tmp++;
+    }
     tmp = argv;
     while (*tmp) {
         if (safewrite(vm->logfile, *tmp, strlen(*tmp)) < 0)
@@ -869,7 +880,7 @@ static int qemudStartVMDaemon(virConnectPtr conn,
     for (i = 0 ; i < ntapfds ; i++)
         FD_SET(tapfds[i], &keepfd);
 
-    ret = virExec(conn, argv, NULL, &keepfd, &vm->pid,
+    ret = virExec(conn, argv, progenv, &keepfd, &vm->pid,
                   vm->stdin_fd, &vm->stdout_fd, &vm->stderr_fd,
                   VIR_EXEC_NONBLOCK);
     if (ret == 0) {
@@ -881,6 +892,10 @@ static int qemudStartVMDaemon(virConnectPtr conn,
         VIR_FREE(argv[i]);
     VIR_FREE(argv);
 
+    for (i = 0 ; progenv[i] ; i++)
+        VIR_FREE(progenv[i]);
+    VIR_FREE(progenv);
+
     if (tapfds) {
         for (i = 0 ; i < ntapfds ; i++) {
             close(tapfds[i]);
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-boot-cdrom.args b/tests/qemuxml2argvdata/qemuxml2argv-boot-cdrom.args
index 6c062ae706..e06b457de4 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-boot-cdrom.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-boot-cdrom.args
@@ -1 +1 @@
-/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot d -cdrom /dev/cdrom -net none -serial none -parallel none -usb
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot d -cdrom /dev/cdrom -net none -serial none -parallel none -usb
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-boot-floppy.args b/tests/qemuxml2argvdata/qemuxml2argv-boot-floppy.args
index 51b95b46c9..e2abdfa003 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-boot-floppy.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-boot-floppy.args
@@ -1 +1 @@
-/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot a -hda /dev/HostVG/QEMUGuest1 -fda /tmp/firmware.img -net none -serial none -parallel none -usb
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot a -hda /dev/HostVG/QEMUGuest1 -fda /tmp/firmware.img -net none -serial none -parallel none -usb
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-boot-network.args b/tests/qemuxml2argvdata/qemuxml2argv-boot-network.args
index d600a318bc..b5ff1b5079 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-boot-network.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-boot-network.args
@@ -1 +1 @@
-/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot n -hda /dev/HostVG/QEMUGuest1 -net none -serial none -parallel none -usb
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot n -hda /dev/HostVG/QEMUGuest1 -net none -serial none -parallel none -usb
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-bootloader.args b/tests/qemuxml2argvdata/qemuxml2argv-bootloader.args
index 056cff2cef..b40032c4f1 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-bootloader.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-bootloader.args
@@ -1 +1 @@
-/usr/bin/qemu-kvm -S -M xenner -m 214 -smp 1 -nographic -monitor pty -no-acpi -bootloader /usr/bin/pygrub -cdrom /dev/cdrom -net none -serial none -parallel none -usb
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu-kvm -S -M xenner -m 214 -smp 1 -nographic -monitor pty -no-acpi -bootloader /usr/bin/pygrub -cdrom /dev/cdrom -net none -serial none -parallel none -usb
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-clock-localtime.args b/tests/qemuxml2argvdata/qemuxml2argv-clock-localtime.args
index f367f422c4..e3bd139c5d 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-clock-localtime.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-clock-localtime.args
@@ -1 +1 @@
-/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -localtime -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial none -parallel none -usb
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -localtime -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial none -parallel none -usb
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-clock-utc.args b/tests/qemuxml2argvdata/qemuxml2argv-clock-utc.args
index 3ffcca2cd5..d1ccbb3c50 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-clock-utc.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-clock-utc.args
@@ -1 +1 @@
-/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial none -parallel none -usb
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial none -parallel none -usb
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-console-compat.args b/tests/qemuxml2argvdata/qemuxml2argv-console-compat.args
index 3403b26bf8..5764c48330 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-console-compat.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-console-compat.args
@@ -1 +1 @@
-/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial pty -parallel none -usb
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial pty -parallel none -usb
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-cdrom-empty.args b/tests/qemuxml2argvdata/qemuxml2argv-disk-cdrom-empty.args
index 513e9c1127..a370e1cd9b 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-cdrom-empty.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-cdrom-empty.args
@@ -1 +1 @@
-/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -drive file=/dev/HostVG/QEMUGuest1,if=ide,index=0 -drive file=,if=ide,media=cdrom,index=2 -net none -serial none -parallel none -usb
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -drive file=/dev/HostVG/QEMUGuest1,if=ide,index=0 -drive file=,if=ide,media=cdrom,index=2 -net none -serial none -parallel none -usb
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-cdrom.args b/tests/qemuxml2argvdata/qemuxml2argv-disk-cdrom.args
index 5c3d988aaf..d9b6f733e2 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-cdrom.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-cdrom.args
@@ -1 +1 @@
-/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -cdrom /root/boot.iso -net none -serial none -parallel none -usb
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -cdrom /root/boot.iso -net none -serial none -parallel none -usb
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-boot-cdrom.args b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-boot-cdrom.args
index fafce381c2..4deb217c2c 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-boot-cdrom.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-boot-cdrom.args
@@ -1 +1 @@
-/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot d -drive file=/dev/HostVG/QEMUGuest1,if=ide,index=0 -drive file=/dev/HostVG/QEMUGuest2,if=ide,media=cdrom,index=2 -net none -serial none -parallel none -usb
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot d -drive file=/dev/HostVG/QEMUGuest1,if=ide,index=0 -drive file=/dev/HostVG/QEMUGuest2,if=ide,media=cdrom,index=2 -net none -serial none -parallel none -usb
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-boot-disk.args b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-boot-disk.args
index 218a86d447..41a3019a05 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-boot-disk.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-boot-disk.args
@@ -1 +1 @@
-/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -drive file=/dev/HostVG/QEMUGuest1,if=ide,index=0,boot=on -drive file=/dev/HostVG/QEMUGuest2,if=ide,media=cdrom,index=2 -net none -serial none -parallel none -usb
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -drive file=/dev/HostVG/QEMUGuest1,if=ide,index=0,boot=on -drive file=/dev/HostVG/QEMUGuest2,if=ide,media=cdrom,index=2 -net none -serial none -parallel none -usb
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-floppy.args b/tests/qemuxml2argvdata/qemuxml2argv-disk-floppy.args
index c2b99090f0..84afc63185 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-floppy.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-floppy.args
@@ -1 +1 @@
-/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -fda /dev/fd0 -fdb /tmp/firmware.img -net none -serial none -parallel none -usb
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -fda /dev/fd0 -fdb /tmp/firmware.img -net none -serial none -parallel none -usb
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-many.args b/tests/qemuxml2argvdata/qemuxml2argv-disk-many.args
index 94448d016f..3041f18233 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-many.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-many.args
@@ -1 +1 @@
-/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -hdb /dev/HostVG/QEMUGuest2 -hdc /tmp/data.img -hdd /tmp/logs.img -net none -serial none -parallel none -usb
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -hdb /dev/HostVG/QEMUGuest2 -hdc /tmp/data.img -hdd /tmp/logs.img -net none -serial none -parallel none -usb
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-usb.args b/tests/qemuxml2argvdata/qemuxml2argv-disk-usb.args
index 518b54e172..b948d5d06b 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-usb.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-usb.args
@@ -1 +1 @@
-/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -usbdevice disk:/tmp/usbdisk.img -net none -serial none -parallel none -usb
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -usbdevice disk:/tmp/usbdisk.img -net none -serial none -parallel none -usb
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-virtio.args b/tests/qemuxml2argvdata/qemuxml2argv-disk-virtio.args
index 111018a132..c0f3143c99 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-virtio.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-virtio.args
@@ -1 +1 @@
-/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -drive file=/dev/HostVG/QEMUGuest1,if=ide,index=0,boot=on -drive file=/dev/HostVG/QEMUGuest2,if=ide,media=cdrom,index=2 -drive file=/tmp/data.img,if=virtio,index=0 -drive file=/tmp/logs.img,if=virtio,index=6 -net none -serial none -parallel none -usb
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -drive file=/dev/HostVG/QEMUGuest1,if=ide,index=0,boot=on -drive file=/dev/HostVG/QEMUGuest2,if=ide,media=cdrom,index=2 -drive file=/tmp/data.img,if=virtio,index=0 -drive file=/tmp/logs.img,if=virtio,index=6 -net none -serial none -parallel none -usb
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-xenvbd.args b/tests/qemuxml2argvdata/qemuxml2argv-disk-xenvbd.args
index 71aef7e29a..08e1856747 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-xenvbd.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-xenvbd.args
@@ -1 +1 @@
-/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -drive file=/dev/HostVG/QEMUGuest1,if=ide,index=0,boot=on -drive file=/dev/HostVG/QEMUGuest2,if=ide,media=cdrom,index=2 -drive file=/tmp/data.img,if=xen,index=0 -drive file=/tmp/logs.img,if=xen,index=6 -net none -serial none -parallel none -usb
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -drive file=/dev/HostVG/QEMUGuest1,if=ide,index=0,boot=on -drive file=/dev/HostVG/QEMUGuest2,if=ide,media=cdrom,index=2 -drive file=/tmp/data.img,if=xen,index=0 -drive file=/tmp/logs.img,if=xen,index=6 -net none -serial none -parallel none -usb
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-graphics-sdl.args b/tests/qemuxml2argvdata/qemuxml2argv-graphics-sdl.args
index 08aeb6853d..3b2b0497e5 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-graphics-sdl.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-graphics-sdl.args
@@ -1 +1 @@
-/usr/bin/qemu -S -M pc -m 214 -smp 1 -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial none -parallel none -usb
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test XAUTHORITY=/root/.Xauthority DISPLAY=:0.1 /usr/bin/qemu -S -M pc -m 214 -smp 1 -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial none -parallel none -usb
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-graphics-sdl.xml b/tests/qemuxml2argvdata/qemuxml2argv-graphics-sdl.xml
index 87817c342c..1e04f12071 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-graphics-sdl.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-graphics-sdl.xml
@@ -19,6 +19,6 @@
       <target dev='hda' bus='ide'/>
     </disk>
     <input type='mouse' bus='ps2'/>
-    <graphics type='sdl'/>
+    <graphics type='sdl' display=':0.1' xauth='/root/.Xauthority'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc.args b/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc.args
index 9235fb7da0..6ff78c8f36 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc.args
@@ -1 +1 @@
-/usr/bin/qemu -S -M pc -m 214 -smp 1 -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial none -parallel none -usb -vnc 127.0.0.1:3
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial none -parallel none -usb -vnc 127.0.0.1:3
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-hostdev-usb-address.args b/tests/qemuxml2argvdata/qemuxml2argv-hostdev-usb-address.args
index 18508fa3b7..3d6c16de28 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-hostdev-usb-address.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-hostdev-usb-address.args
@@ -1 +1 @@
-/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial none -parallel none -usb -usbdevice host:014.006
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial none -parallel none -usb -usbdevice host:014.006
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-hostdev-usb-product.args b/tests/qemuxml2argvdata/qemuxml2argv-hostdev-usb-product.args
index 13fe3d048c..e207871a75 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-hostdev-usb-product.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-hostdev-usb-product.args
@@ -1 +1 @@
-/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial none -parallel none -usb -usbdevice host:0204:6025
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial none -parallel none -usb -usbdevice host:0204:6025
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-input-usbmouse.args b/tests/qemuxml2argvdata/qemuxml2argv-input-usbmouse.args
index 6222131626..477495ddbc 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-input-usbmouse.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-input-usbmouse.args
@@ -1 +1 @@
-/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial none -parallel none -usb -usbdevice mouse
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial none -parallel none -usb -usbdevice mouse
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-input-usbtablet.args b/tests/qemuxml2argvdata/qemuxml2argv-input-usbtablet.args
index 9d88953ac9..ababc2935f 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-input-usbtablet.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-input-usbtablet.args
@@ -1 +1 @@
-/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial none -parallel none -usb -usbdevice tablet
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial none -parallel none -usb -usbdevice tablet
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-input-xen.args b/tests/qemuxml2argvdata/qemuxml2argv-input-xen.args
index 59bcb6a8fe..3ce842adf7 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-input-xen.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-input-xen.args
@@ -1 +1 @@
-/usr/bin/xenner -S -M xenner -m 214 -smp 1 -monitor pty -no-acpi -bootloader /foo -hda /dev/HostVG/QEMUGuest1 -net none -serial none -parallel none -usb -vnc 127.0.0.1:3
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/xenner -S -M xenner -m 214 -smp 1 -monitor pty -no-acpi -bootloader /foo -hda /dev/HostVG/QEMUGuest1 -net none -serial none -parallel none -usb -vnc 127.0.0.1:3
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-minimal.args b/tests/qemuxml2argvdata/qemuxml2argv-minimal.args
index 3c2f6e8417..4bbb7ab4b3 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-minimal.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-minimal.args
@@ -1 +1 @@
-/usr/bin/qemu -S -M pc -m 214 -smp 1 -name QEMUGuest1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial none -parallel none -usb
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -name QEMUGuest1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial none -parallel none -usb
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-misc-acpi.args b/tests/qemuxml2argvdata/qemuxml2argv-misc-acpi.args
index 4b5796f714..0f9b1a1c65 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-misc-acpi.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-misc-acpi.args
@@ -1 +1 @@
-/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial none -parallel none -usb
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial none -parallel none -usb
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-misc-no-reboot.args b/tests/qemuxml2argvdata/qemuxml2argv-misc-no-reboot.args
index af6f65225c..481462f6b7 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-misc-no-reboot.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-misc-no-reboot.args
@@ -1 +1 @@
-/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-reboot -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial none -parallel none -usb
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-reboot -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial none -parallel none -usb
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-net-user.args b/tests/qemuxml2argvdata/qemuxml2argv-net-user.args
index cfaa98d7bb..6c1ca8cbc0 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-net-user.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-net-user.args
@@ -1 +1 @@
-/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net nic,macaddr=00:11:22:33:44:55,vlan=0 -net user,vlan=0 -serial none -parallel none -usb
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net nic,macaddr=00:11:22:33:44:55,vlan=0 -net user,vlan=0 -serial none -parallel none -usb
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-net-virtio.args b/tests/qemuxml2argvdata/qemuxml2argv-net-virtio.args
index e7d9489f50..bf780719e8 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-net-virtio.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-net-virtio.args
@@ -1 +1 @@
-/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net nic,macaddr=00:11:22:33:44:55,vlan=0,model=virtio -net user,vlan=0 -serial none -parallel none -usb
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net nic,macaddr=00:11:22:33:44:55,vlan=0,model=virtio -net user,vlan=0 -serial none -parallel none -usb
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-parallel-tcp.args b/tests/qemuxml2argvdata/qemuxml2argv-parallel-tcp.args
index f61f1fa056..1a08bbbcbf 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-parallel-tcp.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-parallel-tcp.args
@@ -1 +1 @@
-/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial none -parallel tcp:127.0.0.1:9999,listen -usb
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial none -parallel tcp:127.0.0.1:9999,listen -usb
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-serial-dev.args b/tests/qemuxml2argvdata/qemuxml2argv-serial-dev.args
index f17f8b5576..7f7f0f6e72 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-serial-dev.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-serial-dev.args
@@ -1 +1 @@
-/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial /dev/ttyS2 -parallel none -usb
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial /dev/ttyS2 -parallel none -usb
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-serial-file.args b/tests/qemuxml2argvdata/qemuxml2argv-serial-file.args
index b929f50eca..688ca32fff 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-serial-file.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-serial-file.args
@@ -1 +1 @@
-/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial file:/tmp/serial.log -parallel none -usb
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial file:/tmp/serial.log -parallel none -usb
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-serial-many.args b/tests/qemuxml2argvdata/qemuxml2argv-serial-many.args
index 8a4ec20d9b..d59f708d6e 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-serial-many.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-serial-many.args
@@ -1 +1 @@
-/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial pty -serial file:/tmp/serial.log -parallel none -usb
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial pty -serial file:/tmp/serial.log -parallel none -usb
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-serial-pty.args b/tests/qemuxml2argvdata/qemuxml2argv-serial-pty.args
index 3403b26bf8..5764c48330 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-serial-pty.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-serial-pty.args
@@ -1 +1 @@
-/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial pty -parallel none -usb
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial pty -parallel none -usb
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-serial-tcp-telnet.args b/tests/qemuxml2argvdata/qemuxml2argv-serial-tcp-telnet.args
index e3d1848cee..f2d1f17b78 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-serial-tcp-telnet.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-serial-tcp-telnet.args
@@ -1 +1 @@
-/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial telnet:127.0.0.1:9999,server -parallel none -usb
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial telnet:127.0.0.1:9999,server -parallel none -usb
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-serial-tcp.args b/tests/qemuxml2argvdata/qemuxml2argv-serial-tcp.args
index 25ff57332f..834e47eef6 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-serial-tcp.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-serial-tcp.args
@@ -1 +1 @@
-/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial tcp:127.0.0.1:9999 -parallel none -usb
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial tcp:127.0.0.1:9999 -parallel none -usb
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-serial-udp.args b/tests/qemuxml2argvdata/qemuxml2argv-serial-udp.args
index 98faa38e1e..15060aa2a7 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-serial-udp.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-serial-udp.args
@@ -1 +1 @@
-/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial udp:127.0.0.1:9998@127.0.0.1:9999 -parallel none -usb
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial udp:127.0.0.1:9998@127.0.0.1:9999 -parallel none -usb
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-serial-unix.args b/tests/qemuxml2argvdata/qemuxml2argv-serial-unix.args
index c85b7b75e2..f38d3cfd75 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-serial-unix.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-serial-unix.args
@@ -1 +1 @@
-/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial unix:/tmp/serial.sock -parallel none -usb
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial unix:/tmp/serial.sock -parallel none -usb
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-serial-vc.args b/tests/qemuxml2argvdata/qemuxml2argv-serial-vc.args
index bdfc371038..800c7b3489 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-serial-vc.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-serial-vc.args
@@ -1 +1 @@
-/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial vc -parallel none -usb
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial vc -parallel none -usb
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-sound.args b/tests/qemuxml2argvdata/qemuxml2argv-sound.args
index d7ccbfc202..c018e94af5 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-sound.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-sound.args
@@ -1 +1 @@
-/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial none -parallel none -usb -soundhw pcspk,es1370,sb16
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial none -parallel none -usb -soundhw pcspk,es1370,sb16
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index 864d981870..263eaec8f3 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -22,11 +22,14 @@ static struct qemud_driver driver;
 
 #define MAX_FILE 4096
 
-static int testCompareXMLToArgvFiles(const char *xml, const char *cmd, int extraFlags) {
+static int testCompareXMLToArgvFiles(const char *xml,
+                                     const char *cmd,
+                                     int extraFlags) {
     char argvData[MAX_FILE];
     char *expectargv = &(argvData[0]);
     char *actualargv = NULL;
     const char **argv = NULL;
+    const char **qenv = NULL;
     const char **tmp = NULL;
     int ret = -1, len, flags;
     virDomainDefPtr vmdef = NULL;
@@ -48,20 +51,32 @@ static int testCompareXMLToArgvFiles(const char *xml, const char *cmd, int extra
         extraFlags;
 
     if (qemudBuildCommandLine(NULL, &driver,
-                              &vm, flags, &argv,
+                              &vm, flags, &argv, &qenv,
                               NULL, NULL, NULL) < 0)
         goto fail;
 
-    tmp = argv;
     len = 1; /* for trailing newline */
+    tmp = qenv;
+    while (*tmp) {
+        len += strlen(*tmp) + 1;
+        tmp++;
+    }
+
+    tmp = argv;
     while (*tmp) {
         len += strlen(*tmp) + 1;
         tmp++;
     }
     actualargv = malloc(sizeof(*actualargv)*len);
     actualargv[0] = '\0';
+    tmp = qenv;
+    while (*tmp) {
+        if (actualargv[0])
+            strcat(actualargv, " ");
+        strcat(actualargv, *tmp);
+        tmp++;
+    }
     tmp = argv;
-    len = 0;
     while (*tmp) {
         if (actualargv[0])
             strcat(actualargv, " ");
@@ -87,6 +102,14 @@ static int testCompareXMLToArgvFiles(const char *xml, const char *cmd, int extra
         }
         free(argv);
     }
+    if (qenv) {
+        tmp = qenv;
+        while (*tmp) {
+            free(*(char**)tmp);
+            tmp++;
+        }
+        free(qenv);
+    }
     virDomainDefFree(vmdef);
     return ret;
 }
@@ -138,6 +161,14 @@ mymain(int argc, char **argv)
             ret = -1;                                                   \
     } while (0)
 
+    setenv("PATH", "/bin", 1);
+    setenv("USER", "test", 1);
+    setenv("LOGNAME", "test", 1);
+    setenv("HOME", "/home/test", 1);
+    unsetenv("TMPDIR");
+    unsetenv("LD_PRELOAD");
+    unsetenv("LD_LIBRARY_PATH");
+
     DO_TEST("minimal", QEMUD_CMD_FLAG_NAME);
     DO_TEST("boot-cdrom", 0);
     DO_TEST("boot-network", 0);