diff --git a/src/runtime/src/comms.rs b/src/runtime/src/comms.rs
index 86fac796..af4e2b25 100644
--- a/src/runtime/src/comms.rs
+++ b/src/runtime/src/comms.rs
@@ -4,7 +4,7 @@ use core::str::Utf8Error;
 use alloc::rc::Rc;
 use alloc::sync::Arc;
 use alloc::{vec, vec::Vec, string::String};
-use log::{debug, warn, error};
+use log::{info, warn, error};
 
 use num_derive::{FromPrimitive, ToPrimitive};
 use num_traits::{FromPrimitive, ToPrimitive};
@@ -90,7 +90,7 @@ async fn read_request(stream: &TcpStream, allow_close: bool) -> Result<Option<Re
             return Err(Error::UnexpectedPattern),
         Err(smoltcp::Error::Illegal) => {
             if allow_close {
-                debug!("peer closed connection");
+                info!("peer closed connection");
                 return Ok(None);
             } else {
                 error!("peer unexpectedly closed connection");
@@ -210,7 +210,7 @@ async fn handle_run_kernel(stream: &TcpStream, control: &Rc<RefCell<kernel::Cont
 
 async fn handle_connection(stream: &TcpStream, control: Rc<RefCell<kernel::Control>>) -> Result<()> {
     expect(stream, b"ARTIQ coredev\n").await?;
-    debug!("received connection");
+    info!("received connection");
     loop {
         let request = read_request(stream, true).await?;
         if request.is_none() {
diff --git a/src/runtime/src/kernel.rs b/src/runtime/src/kernel.rs
index b7006a8b..9aa6c444 100644
--- a/src/runtime/src/kernel.rs
+++ b/src/runtime/src/kernel.rs
@@ -1,5 +1,5 @@
 use core::{ptr, mem};
-use log::{debug, error};
+use log::{debug, info, error};
 use alloc::{vec::Vec, sync::Arc};
 use cslice::CSlice;
 
@@ -349,7 +349,7 @@ pub fn main_core1() {
                 }
             },
             Message::StartRequest => {
-                debug!("kernel starting");
+                info!("kernel starting");
                 if let Some(__modinit__) = current_modinit {
                     unsafe {
                         KERNEL_CHANNEL_0TO1 = mem::transmute(&mut core1_rx);
@@ -362,7 +362,7 @@ pub fn main_core1() {
                         KERNEL_CHANNEL_1TO0 = ptr::null_mut();
                     }
                 }
-                debug!("kernel finished");
+                info!("kernel finished");
                 core1_tx.send(Message::KernelFinished);
             }
             _ => error!("Core1 received unexpected message: {:?}", message),
diff --git a/src/runtime/src/rpc.rs b/src/runtime/src/rpc.rs
index 6440cee1..36fb791e 100644
--- a/src/runtime/src/rpc.rs
+++ b/src/runtime/src/rpc.rs
@@ -1,7 +1,7 @@
 use core::str;
 use core::future::Future;
 use cslice::{CSlice, CMutSlice};
-use log::debug;
+use log::trace;
 
 use core_io::{Write, Error};
 use libboard_zynq::smoltcp;
@@ -93,7 +93,7 @@ pub async fn recv_return<F>(stream: &TcpStream, tag_bytes: &[u8], data: *mut (),
                         where F: Future<Output=*mut ()>
 {
     let mut it = TagIterator::new(tag_bytes);
-    debug!("recv ...->{}", it);
+    trace!("recv ...->{}", it);
 
     let tag = it.next().expect("truncated tag");
     let mut data = data;
@@ -187,7 +187,7 @@ pub fn send_args<W>(writer: &mut W, service: u32, tag_bytes: &[u8], data: *const
 
     let mut args_it = TagIterator::new(arg_tags_bytes);
     let return_it = TagIterator::new(return_tag_bytes);
-    debug!("send<{}>({})->{}", service, args_it, return_it);
+    trace!("send<{}>({})->{}", service, args_it, return_it);
 
     writer.write_u32(service)?;
     for index in 0.. {