Index: alsa/src/pcm.rs
===================================================================
--- alsa.orig/src/pcm.rs
+++ alsa/src/pcm.rs
@@ -3,7 +3,7 @@
 //! # Example
 //! Playback a sine wave through the "default" device.
 //!
-//! ```
+//! ```rust,ignore
 //! use alsa::{Direction, ValueOr};
 //! use alsa::pcm::{PCM, HwParams, Format, Access, State};
 //!
@@ -1182,6 +1182,7 @@ alsa_enum!(
 );
 
 #[test]
+#[ignore = "Requires a default soundcard"]
 fn info_from_default() {
     use std::ffi::CString;
     let pcm = PCM::open(&*CString::new("default").unwrap(), Direction::Capture, false).unwrap();
@@ -1196,6 +1197,7 @@ fn info_from_default() {
 }
 
 #[test]
+#[ignore = "Requires a default soundcard"]
 fn drop() {
     use std::ffi::CString;
     let pcm = PCM::open(&*CString::new("default").unwrap(), Direction::Capture, false).unwrap();
@@ -1204,6 +1206,7 @@ fn drop() {
 }
 
 #[test]
+#[ignore = "Requires a default soundcard"]
 fn record_from_default() {
     use std::ffi::CString;
     let pcm = PCM::open(&*CString::new("default").unwrap(), Direction::Capture, false).unwrap();
@@ -1219,6 +1222,7 @@ fn record_from_default() {
 }
 
 #[test]
+#[ignore = "Requires a default soundcard"]
 fn playback_to_default() {
     use std::ffi::CString;
     let pcm = PCM::open(&*CString::new("default").unwrap(), Direction::Playback, false).unwrap();
Index: alsa/src/seq.rs
===================================================================
--- alsa.orig/src/seq.rs
+++ alsa/src/seq.rs
@@ -1387,6 +1387,7 @@ impl MidiEvent {
 }
 
 #[test]
+#[ignore = "Requires a default soundcard"]
 fn print_seqs() {
     use std::ffi::CString;
     let s = super::Seq::open(None, None, false).unwrap();
@@ -1399,6 +1400,7 @@ fn print_seqs() {
 }
 
 #[test]
+#[ignore = "Requires a default soundcard"]
 fn seq_subscribe() {
     use std::ffi::CString;
     let s = super::Seq::open(None, None, false).unwrap();
@@ -1414,6 +1416,7 @@ fn seq_subscribe() {
 }
 
 #[test]
+#[ignore = "Requires a default soundcard"]
 fn seq_loopback() {
     use std::ffi::CString;
     let s = super::Seq::open(Some(&CString::new("default").unwrap()), None, false).unwrap();
@@ -1534,6 +1537,7 @@ fn seq_remove_events() -> std::result::R
 }
 
 #[test]
+#[ignore = "Requires a default soundcard"]
 fn seq_portsubscribeiter() {
     let s = super::Seq::open(None, None, false).unwrap();