diff --git a/repos/dde_rump/include/rump/env.h b/repos/dde_rump/include/rump/env.h
index 1b94bd5ff..76cdf2159 100644
--- a/repos/dde_rump/include/rump/env.h
+++ b/repos/dde_rump/include/rump/env.h
@@ -39,7 +39,7 @@ class Rump::Env
 
 	public:
 
-		Env(Genode::Env &env) : _env(env) { }
+		Env(Genode::Env &env);
 
 		Genode::Env                    &env()        { return _env; }
 		Timeout_entrypoint             &timeout_ep() { return _timeout_ep; }
diff --git a/repos/dde_rump/lib/mk/rump_prefix.inc b/repos/dde_rump/lib/mk/rump_prefix.inc
index 1c727094a..9a72af49a 100644
--- a/repos/dde_rump/lib/mk/rump_prefix.inc
+++ b/repos/dde_rump/lib/mk/rump_prefix.inc
@@ -17,4 +17,6 @@ $(OBJ_PREFIX): $(SRC_NOLINK_OBJ) $(SRC_NOLINK)
 	          $(RUMP_LIB_BASE)/$(subst rmpns_,,$@) $(RUMP_LIB_BASE)/$@
 	$(VERBOSE_MK)rm $(RUMP_LIB_BASE)/_$@
 
+-include $(SRC_NOLINK_OBJ:.o=.d)
+
 # vi:set ft=make :
diff --git a/repos/dde_rump/patches/vm_vfs.patch b/repos/dde_rump/patches/rump.patch
similarity index 56%
rename from repos/dde_rump/patches/vm_vfs.patch
rename to repos/dde_rump/patches/rump.patch
index 8a01c8955..fe19a25b9 100644
--- a/repos/dde_rump/patches/vm_vfs.patch
+++ b/repos/dde_rump/patches/rump.patch
@@ -1,3 +1,36 @@
+--- src/lib/dde_rump/src/sys/rump/librump/rumpkern/rump_private.h
++++ src/lib/dde_rump/src/sys/rump/librump/rumpkern/rump_private.h
+@@ -70,6 +70,9 @@
+ 	RUMP__FACTION_NET,
+ 
+ 	RUMP_COMPONENT_MAX,
++
++	/* alias for syscall type used to create ctor symbol */
++	RUMP_COMPONENT_KERN_SYSCALL = RUMP_COMPONENT_SYSCALL,
+ };
+ struct rump_component {
+ 	enum rump_component_type rc_type;
+@@ -86,8 +89,7 @@
+ 
+ #ifdef RUMP_USE_CTOR
+ #define _RUMP_COMPONENT_REGISTER(type)					\
+-static void rumpcomp_ctor##type(void) __attribute__((constructor));	\
+-static void rumpcomp_ctor##type(void)					\
++void rumpcompctor_##type(void)						\
+ {									\
+ 	rump_component_load(&rumpcomp##type);				\
+ }
+--- src/lib/dde_rump/src/sys/rump/librump/rumpkern/rumpkern_syscalls.c
++++ src/lib/dde_rump/src/sys/rump/librump/rumpkern/rumpkern_syscalls.c
+@@ -147,7 +147,7 @@
+ 	{ 477,	sys_clock_nanosleep },
+ };
+ 
+-RUMP_COMPONENT(RUMP_COMPONENT_SYSCALL)
++RUMP_COMPONENT(RUMP_COMPONENT_KERN_SYSCALL)
+ {
+ 
+ 	rump_syscall_boot_establish(mysys, __arraycount(mysys));
 --- src/lib/dde_rump/src/sys/rump/librump/rumpvfs/vm_vfs.c
 +++ src/lib/dde_rump/src/sys/rump/librump/rumpvfs/vm_vfs.c
 @@ -49,6 +49,7 @@
@@ -66,3 +99,15 @@
  		mutex_enter(bp->b_objlock);
  		vwakeup(bp);
  		mutex_exit(bp->b_objlock);
+--- src/lib/dde_rump/src/sys/sys/module.h
++++ src/lib/dde_rump/src/sys/sys/module.h
+@@ -114,8 +114,7 @@
+ };
+ LIST_HEAD(modinfo_boot_chain, modinfo_chain);
+ #define _MODULE_REGISTER(name)						\
+-static void modctor_##name(void) __attribute__((constructor));		\
+-static void modctor_##name(void)					\
++void modctor_##name(void)						\
+ {									\
+ 	static struct modinfo_chain mc = {				\
+ 		.mc_info = &name##_modinfo,				\
diff --git a/repos/dde_rump/ports/dde_rump.hash b/repos/dde_rump/ports/dde_rump.hash
index ab3038b1c..b0473edb8 100644
--- a/repos/dde_rump/ports/dde_rump.hash
+++ b/repos/dde_rump/ports/dde_rump.hash
@@ -1 +1 @@
-e82aa761750a0a1e76e886fa7ad37da043afe931
+b81e1b234bf98a6b0a35dec429e8a826b735bc08
diff --git a/repos/dde_rump/ports/dde_rump.port b/repos/dde_rump/ports/dde_rump.port
index 61936a6f6..2ba10f713 100644
--- a/repos/dde_rump/ports/dde_rump.port
+++ b/repos/dde_rump/ports/dde_rump.port
@@ -5,4 +5,4 @@ URL(rump) := https://github.com/ssumpf/rump.git
 DIR(rump) := src/lib/dde_rump
 REV(rump) := 206ffa06cedd0779af0043997fd182b00ff4688c
 
-PATCHES := patches/vm_vfs.patch
+PATCHES := patches/rump.patch
diff --git a/repos/dde_rump/src/lib/rump/env.cc b/repos/dde_rump/src/lib/rump/env.cc
index 0b322eae9..e82a914ad 100644
--- a/repos/dde_rump/src/lib/rump/env.cc
+++ b/repos/dde_rump/src/lib/rump/env.cc
@@ -13,19 +13,29 @@
 
 #include <rump/env.h>
 
-/*
- * Genode enviroment instance
- */
-static Genode::Constructible<Rump::Env> _env;
+static Rump::Env *_env_ptr;
 
 
 Rump::Env &Rump::env()
 {
-	return *_env;
+	return *_env_ptr;
 }
 
 
 void Rump::construct_env(Genode::Env &env)
 {
-	_env.construct(env);
+	static Rump::Env _env(env);
+	_env_ptr = &_env;
+}
+
+
+/* constructors in rump.lib.so */
+extern "C" void rumpns_modctor_ksem(void);
+extern "C" void rumpns_modctor_suser(void);
+
+Rump::Env::Env(Genode::Env &env) : _env(env)
+{
+	/* call init/constructor functions of rump.lib.so */
+	rumpns_modctor_ksem();
+	rumpns_modctor_suser();
 }
diff --git a/repos/dde_rump/src/lib/rump/io.cc b/repos/dde_rump/src/lib/rump/io.cc
index f63afea9b..975646a5f 100644
--- a/repos/dde_rump/src/lib/rump/io.cc
+++ b/repos/dde_rump/src/lib/rump/io.cc
@@ -166,8 +166,33 @@ void rump_io_backend_sync()
 }
 
 
+/* constructors in rump_fs.lib.so */
+extern "C" void rumpcompctor_RUMP_COMPONENT_KERN_SYSCALL(void);
+extern "C" void rumpcompctor_RUMP_COMPONENT_SYSCALL(void);
+extern "C" void rumpcompctor_RUMP__FACTION_VFS(void);
+extern "C" void rumpcompctor_RUMP__FACTION_DEV(void);
+extern "C" void rumpns_modctor_cd9660(void);
+extern "C" void rumpns_modctor_dk_subr(void);
+extern "C" void rumpns_modctor_ext2fs(void);
+extern "C" void rumpns_modctor_ffs(void);
+extern "C" void rumpns_modctor_msdos(void);
+extern "C" void rumpns_modctor_wapbl(void);
+
+
 void rump_io_backend_init()
 {
+	/* call init/constructor functions of rump_fs.lib.so (order is important!) */
+	rumpcompctor_RUMP_COMPONENT_KERN_SYSCALL();
+	rumpns_modctor_wapbl();
+	rumpcompctor_RUMP_COMPONENT_SYSCALL();
+	rumpcompctor_RUMP__FACTION_VFS();
+	rumpcompctor_RUMP__FACTION_DEV();
+	rumpns_modctor_msdos();
+	rumpns_modctor_ffs();
+	rumpns_modctor_ext2fs();
+	rumpns_modctor_dk_subr();
+	rumpns_modctor_cd9660();
+
 	/* create back end */
 	backend();
 }
diff --git a/repos/libports/run/libc_vfs_filesystem_test.inc b/repos/libports/run/libc_vfs_filesystem_test.inc
index a96c485da..30cd4c832 100644
--- a/repos/libports/run/libc_vfs_filesystem_test.inc
+++ b/repos/libports/run/libc_vfs_filesystem_test.inc
@@ -137,14 +137,14 @@ append_if $use_ram_block config {
 
 append_if $use_vfs_server config "
 	<start name=\"vfs\" caps=\"200\">
-		<resource name=\"RAM\" quantum=\"8M\" />
+		<resource name=\"RAM\" quantum=\"12M\" />
 		<provides><service name=\"File_system\"/></provides>
 		<config>
 			<vfs>
 				<dir name=\"dev\"> <log/> </dir>}
 				$test_vfs_config
 			</vfs>
-			<policy label_prefix=\"test-libc_vfs\" writeable=\"yes\"/>
+			<policy label_prefix=\"test-libc_vfs\" root=\"/\" writeable=\"yes\"/>
 		</config>
 	</start>"
 
diff --git a/tool/autopilot.list b/tool/autopilot.list
index 905b81fa5..7d7aca62b 100644
--- a/tool/autopilot.list
+++ b/tool/autopilot.list
@@ -8,19 +8,21 @@ depot_download
 depot_query
 extract
 fb_bench
-fetchurl_lxip
 fetchurl_lwip
+fetchurl_lxip
 fs_query
 gdb_monitor
 ieee754
 init_smp
 input_filter
 libc_fatfs
+libc_vfs_fs_ext2
 log_core
 lwip
 lx_hybrid_ctors
 lx_hybrid_exception
 lx_hybrid_pthread_ipc
+microcode
 moon
 netperf_lwip
 netperf_lwip_bridge
@@ -69,9 +71,9 @@ vbox5_ubuntu_16_04_32
 vbox5_ubuntu_16_04_64
 vbox5_vm_ubuntu_16_04_32
 vbox5_vm_ubuntu_16_04_64
+vbox5_vm_win10_64
 vbox5_vm_win7_32
 vbox5_vm_win7_64
-vbox5_vm_win10_64
 vbox5_win10_64
 vbox5_win7_32
 vbox5_win7_64
@@ -82,4 +84,3 @@ verify
 vfs_import
 vmm_arm
 vmm_x86
-microcode