diff --git a/src/kernel/emulation/linux/stat/fstatfs.c b/src/kernel/emulation/linux/stat/fstatfs.c
index 9a6643e28..8752cafcd 100644
--- a/src/kernel/emulation/linux/stat/fstatfs.c
+++ b/src/kernel/emulation/linux/stat/fstatfs.c
@@ -61,6 +61,7 @@ long sys_fstatfs64(int fd, struct bsd_statfs64* buf)
 	buf->f_mntonname[0] = 0;
 	buf->f_fstypename[0] = 0;
 	buf->f_mntfromname[0] = 0;
+	buf->f_iosize = 512;
 
 	while (__simple_readline(fd_m, &rbuf, line, sizeof(line)))
 	{
diff --git a/src/kernel/emulation/linux/synch/semwait_signal.c b/src/kernel/emulation/linux/synch/semwait_signal.c
index 561915a0d..a5c7cff1f 100644
--- a/src/kernel/emulation/linux/synch/semwait_signal.c
+++ b/src/kernel/emulation/linux/synch/semwait_signal.c
@@ -15,6 +15,11 @@ extern kern_return_t semaphore_wait_trap(int cond_sem);
 #define KERN_ABORTED	14
 
 long sys_semwait_signal(int cond_sem, int mutex_sem, int timeout, int relative, int64_t tv_sec, int32_t tv_nsec)
+{
+	return sys_semwait_signal_nocancel(cond_sem, mutex_sem, timeout, relative, tv_sec, tv_nsec);
+}
+
+long sys_semwait_signal_nocancel(int cond_sem, int mutex_sem, int timeout, int relative, int64_t tv_sec, int32_t tv_nsec)
 {
 	kern_return_t kr;
 
diff --git a/src/kernel/emulation/linux/synch/semwait_signal.h b/src/kernel/emulation/linux/synch/semwait_signal.h
index f05d001af..53bfb5bbc 100644
--- a/src/kernel/emulation/linux/synch/semwait_signal.h
+++ b/src/kernel/emulation/linux/synch/semwait_signal.h
@@ -3,6 +3,7 @@
 #include <stdint.h>
 
 long sys_semwait_signal(int cond_sem, int mutex_sem, int timeout, int relative, int64_t tv_sec, int32_t tv_nsec);
+long sys_semwait_signal_nocancel(int cond_sem, int mutex_sem, int timeout, int relative, int64_t tv_sec, int32_t tv_nsec);
 
 #endif
 
diff --git a/src/kernel/emulation/linux/syscalls.c b/src/kernel/emulation/linux/syscalls.c
index ad2d2379c..38b948402 100644
--- a/src/kernel/emulation/linux/syscalls.c
+++ b/src/kernel/emulation/linux/syscalls.c
@@ -325,5 +325,6 @@ void* __bsd_syscall_table[512] = {
 	[414] = sys_pread_nocancel,
 	[415] = sys_pwrite_nocancel,
 	[417] = sys_poll_nocancel,
+	[423] = sys_semwait_signal_nocancel,
 };