diff --git a/.github/buildomat/jobs/test-full.sh b/.github/buildomat/jobs/test-full.sh
new file mode 100644
index 00000000000..e335aeeb528
--- /dev/null
+++ b/.github/buildomat/jobs/test-full.sh
@@ -0,0 +1,44 @@
+#!/bin/bash
+#:
+#: name = "illumos-test-full"
+#: variety = "basic"
+#: target = "omnios-r151038"
+#: rust_toolchain = "stable"
+
+# basic illumos test job with --features full.
+# TODO(eliza): consider splitting the "build" and "test" jobs into separate
+# buildomat jobs, so that the build and test jobs can fail independently.
+
+set -o errexit
+set -o pipefail
+set -o xtrace
+
+
+# These are the same env vars that are set for all GitHub Actions CI jobs.
+export RUSTFLAGS="-Dwarnings"
+export RUST_BACKTRACE=1
+# We're building once, so there's no need to incur the overhead of an
+# incremental build.
+export CARGO_INCREMENTAL=0
+
+# NOTE: Currently we use the latest cargo-nextest release, since this is what
+# the Linux CI jobs do. If we ever start pinning our nextest version, this
+# should be changed to match that.
+NEXTEST_VERSION='latest'
+
+
+curl -sSfL --retry 10 "https://get.nexte.st/$NEXTEST_VERSION/illumos" | gunzip | tar -xvf - -C ~/.cargo/bin
+
+# Print the current test execution environment
+uname -a
+cargo --version
+rustc --version
+
+banner build
+ptime -m cargo test --no-run --all --verbose --features full
+
+banner tests
+ptime -m cargo nextest run --features full --no-fail-fast
+
+banner doctests
+ptime -m cargo test --doc --verbose --features full
diff --git a/tokio/src/task/local.rs b/tokio/src/task/local.rs
index 08d89c49c03..baab6805b6c 100644
--- a/tokio/src/task/local.rs
+++ b/tokio/src/task/local.rs
@@ -1160,9 +1160,14 @@ impl LocalState {
 
     #[track_caller]
     fn assert_called_from_owner_thread(&self) {
-        // FreeBSD has some weirdness around thread-local destruction.
+        // BSDs and Solarises has some weirdness around thread-local destruction.
         // TODO: remove this hack when thread id is cleaned up
-        #[cfg(not(any(target_os = "openbsd", target_os = "freebsd")))]
+        #[cfg(not(any(
+            target_os = "openbsd",
+            target_os = "freebsd",
+            target_os = "illumos",
+            target_os = "solaris",
+        )))]
         debug_assert!(
             // if we couldn't get the thread ID because we're dropping the local
             // data, skip the assertion --- the `Drop` impl is not going to be
diff --git a/tokio/tests/io_async_fd.rs b/tokio/tests/io_async_fd.rs
index 3ab1cebd884..a9f22a0e3d7 100644
--- a/tokio/tests/io_async_fd.rs
+++ b/tokio/tests/io_async_fd.rs
@@ -135,15 +135,17 @@ fn socketpair() -> (FileDescriptor, FileDescriptor) {
     fds
 }
 
-fn drain(mut fd: &FileDescriptor) {
+fn drain(mut fd: &FileDescriptor, mut amt: usize) {
     let mut buf = [0u8; 512];
-    #[allow(clippy::unused_io_amount)]
-    loop {
+    while amt > 0 {
         match fd.read(&mut buf[..]) {
-            Err(e) if e.kind() == ErrorKind::WouldBlock => break,
+            Err(e) if e.kind() == ErrorKind::WouldBlock => {}
             Ok(0) => panic!("unexpected EOF"),
             Err(e) => panic!("unexpected error: {:?}", e),
-            Ok(_) => continue,
+            Ok(x) => {
+                amt -= x;
+                continue;
+            }
         }
     }
 }
@@ -219,10 +221,10 @@ async fn reset_writable() {
     let mut guard = afd_a.writable().await.unwrap();
 
     // Write until we get a WouldBlock. This also clears the ready state.
-    while guard
-        .try_io(|_| afd_a.get_ref().write(&[0; 512][..]))
-        .is_ok()
-    {}
+    let mut bytes = 0;
+    while let Ok(Ok(amt)) = guard.try_io(|_| afd_a.get_ref().write(&[0; 512][..])) {
+        bytes += amt;
+    }
 
     // Writable state should be cleared now.
     let writable = afd_a.writable();
@@ -234,7 +236,7 @@ async fn reset_writable() {
     }
 
     // Read from the other side; we should become writable now.
-    drain(&b);
+    drain(&b, bytes);
 
     let _ = writable.await.unwrap();
 }
@@ -386,7 +388,10 @@ async fn poll_fns() {
     let afd_b = Arc::new(AsyncFd::new(b).unwrap());
 
     // Fill up the write side of A
-    while afd_a.get_ref().write(&[0; 512]).is_ok() {}
+    let mut bytes = 0;
+    while let Ok(amt) = afd_a.get_ref().write(&[0; 512]) {
+        bytes += amt;
+    }
 
     let waker = TestWaker::new();
 
@@ -446,7 +451,7 @@ async fn poll_fns() {
     }
 
     // Make it writable now
-    drain(afd_b.get_ref());
+    drain(afd_b.get_ref(), bytes);
 
     // now we should be writable (ie - the waker for poll_write should still be registered after we wake the read side)
     let _ = write_fut.await;
diff --git a/tokio/tests/net_unix_pipe.rs b/tokio/tests/net_unix_pipe.rs
index 37b8b41bd31..a28303e97c3 100644
--- a/tokio/tests/net_unix_pipe.rs
+++ b/tokio/tests/net_unix_pipe.rs
@@ -457,15 +457,14 @@ async fn anon_pipe_simple_send() -> io::Result<()> {
 }
 
 #[tokio::test]
-async fn anon_pipe_spawn_echo() -> std::io::Result<()> {
+async fn anon_pipe_spawn_printf() -> std::io::Result<()> {
     use tokio::process::Command;
 
     const DATA: &str = "this is some data to write to the pipe";
 
     let (tx, mut rx) = pipe::pipe()?;
 
-    let status = Command::new("echo")
-        .arg("-n")
+    let status = Command::new("printf")
         .arg(DATA)
         .stdout(tx.into_blocking_fd()?)
         .status();
diff --git a/tokio/tests/uds_stream.rs b/tokio/tests/uds_stream.rs
index b8c4e6a8eed..cb40cbd1832 100644
--- a/tokio/tests/uds_stream.rs
+++ b/tokio/tests/uds_stream.rs
@@ -406,6 +406,17 @@ async fn epollhup() -> io::Result<()> {
     drop(listener);
 
     let err = connect.await.unwrap_err();
-    assert_eq!(err.kind(), io::ErrorKind::ConnectionReset);
+    let errno = err.kind();
+    assert!(
+        // As far as I can tell, whether we see ECONNREFUSED or ECONNRESET here
+        // seems relatively inconsistent, at least on non-Linux operating
+        // systems. The difference in meaning between these errnos is not
+        // particularly well-defined, so let's just accept either.
+        matches!(
+            errno,
+            io::ErrorKind::ConnectionRefused | io::ErrorKind::ConnectionReset
+        ),
+        "unexpected error kind: {errno:?} (expected ConnectionRefused or ConnectionReset)"
+    );
     Ok(())
 }