diff --git a/modules/access/linsys/linsys_hdsdi.c b/modules/access/linsys/linsys_hdsdi.c
index e140b7f23a737b5f7b8d0d5a81499aeede8929b1..457da3c8f0ad9f540f27e4ff3edda9235b36138d 100644
--- a/modules/access/linsys/linsys_hdsdi.c
+++ b/modules/access/linsys/linsys_hdsdi.c
@@ -678,7 +678,7 @@ static int InitCapture( demux_t *p_demux )
 
         if ( poll( pfd, 1, READ_TIMEOUT ) < 0 )
         {
-            msg_Warn( p_demux, "couldn't poll(): %m" );
+            msg_Warn( p_demux, "couldn't poll(): %s", vlc_strerror_c(errno) );
             close( p_sys->i_vfd );
             return VLC_EGENERIC;
         }
@@ -688,7 +688,8 @@ static int InitCapture( demux_t *p_demux )
             unsigned int i_val;
 
             if ( ioctl( p_sys->i_vfd, SDIVIDEO_IOC_RXGETEVENTS, &i_val ) < 0 )
-                msg_Warn( p_demux, "couldn't SDIVIDEO_IOC_RXGETEVENTS %m" );
+                msg_Warn( p_demux, "couldn't SDIVIDEO_IOC_RXGETEVENTS: %s",
+                          vlc_strerror_c(errno) );
             else
             {
                 if ( i_val & SDIVIDEO_EVENT_RX_BUFFER )
@@ -716,7 +717,8 @@ static int InitCapture( demux_t *p_demux )
     if ( ioctl( p_sys->i_vfd, SDIVIDEO_IOC_RXGETVIDSTATUS, &p_sys->i_standard )
           < 0 )
     {
-        msg_Warn( p_demux, "couldn't SDIVIDEO_IOC_RXGETVIDSTATUS %m" );
+        msg_Warn( p_demux, "couldn't SDIVIDEO_IOC_RXGETVIDSTATUS: %s",
+                  vlc_strerror_c(errno) );
         close( p_sys->i_vfd );
         return VLC_EGENERIC;
     }
@@ -742,7 +744,8 @@ static int InitCapture( demux_t *p_demux )
 
         if ( ioctl( p_sys->i_afd, SDIAUDIO_IOC_RXGETAUDRATE, &i_rate ) < 0 )
         {
-            msg_Warn( p_demux, "couldn't SDIAUDIO_IOC_RXGETAUDRATE %m" );
+            msg_Warn( p_demux, "couldn't SDIAUDIO_IOC_RXGETAUDRATE: %s",
+                      vlc_strerror_c(errno) );
             return VLC_EGENERIC;
         }
         switch ( i_rate )
@@ -830,7 +833,8 @@ static int InitCapture( demux_t *p_demux )
                                                 PROT_READ, MAP_SHARED, p_sys->i_afd,
                                                 i * i_bufmemsize )) == MAP_FAILED )
             {
-                msg_Err( p_demux, "couldn't mmap(%d): %m", i );
+                msg_Err( p_demux, "couldn't mmap(%d): %s", i,
+                         vlc_strerror_c(errno) );
                 return VLC_EGENERIC;
             }
         }
@@ -884,7 +888,8 @@ static int InitCapture( demux_t *p_demux )
                                             PROT_READ, MAP_SHARED, p_sys->i_vfd,
                                             i * i_bufmemsize )) == MAP_FAILED )
         {
-            msg_Err( p_demux, "couldn't mmap(%d): %m", i );
+            msg_Err( p_demux, "couldn't mmap(%d): %s", i,
+                     vlc_strerror_c(errno) );
             return VLC_EGENERIC;
         }
     }
@@ -930,7 +935,7 @@ static int Capture( demux_t *p_demux )
 
     if ( poll( pfd, 1 + (p_sys->i_max_channel != -1), READ_TIMEOUT ) < 0 )
     {
-        msg_Warn( p_demux, "couldn't poll(): %m" );
+        msg_Warn( p_demux, "couldn't poll(): %s", vlc_strerror_c(errno) );
         return VLC_EGENERIC;
     }
 
@@ -939,7 +944,8 @@ static int Capture( demux_t *p_demux )
         unsigned int i_val;
 
         if ( ioctl( p_sys->i_vfd, SDIVIDEO_IOC_RXGETEVENTS, &i_val ) < 0 )
-            msg_Warn( p_demux, "couldn't SDIVIDEO_IOC_RXGETEVENTS %m" );
+            msg_Warn( p_demux, "couldn't SDIVIDEO_IOC_RXGETEVENTS: %s",
+                      vlc_strerror_c(errno) );
         else
         {
             if ( i_val & SDIVIDEO_EVENT_RX_BUFFER )
@@ -963,7 +969,8 @@ static int Capture( demux_t *p_demux )
         unsigned int i_val;
 
         if ( ioctl( p_sys->i_afd, SDIAUDIO_IOC_RXGETEVENTS, &i_val ) < 0 )
-            msg_Warn( p_demux, "couldn't SDIAUDIO_IOC_RXGETEVENTS %m" );
+            msg_Warn( p_demux, "couldn't SDIAUDIO_IOC_RXGETEVENTS: %s",
+                      vlc_strerror_c(errno) );
         else
         {
             if ( i_val & SDIAUDIO_EVENT_RX_BUFFER )
@@ -986,7 +993,8 @@ static int Capture( demux_t *p_demux )
         if ( ioctl( p_sys->i_vfd, SDIVIDEO_IOC_DQBUF, p_sys->i_current_vbuffer )
               < 0 )
         {
-            msg_Warn( p_demux, "couldn't SDIVIDEO_IOC_DQBUF %m" );
+            msg_Warn( p_demux, "couldn't SDIVIDEO_IOC_DQBUF: %s",
+                      vlc_strerror_c(errno) );
             return VLC_EGENERIC;
         }
 
@@ -996,7 +1004,8 @@ static int Capture( demux_t *p_demux )
         if ( ioctl( p_sys->i_vfd, SDIVIDEO_IOC_QBUF, p_sys->i_current_vbuffer )
               < 0 )
         {
-            msg_Warn( p_demux, "couldn't SDIVIDEO_IOC_QBUF %m" );
+            msg_Warn( p_demux, "couldn't SDIVIDEO_IOC_QBUF: %s",
+                      vlc_strerror_c(errno) );
             return VLC_EGENERIC;
         }
 
@@ -1009,7 +1018,7 @@ static int Capture( demux_t *p_demux )
 
         if ( read( p_sys->i_vfd, p_buffer, p_sys->i_vbuffer_size ) < 0 )
         {
-            msg_Warn( p_demux, "couldn't read %m" );
+            msg_Warn( p_demux, "couldn't read: %s", vlc_strerror_c(errno) );
             free( p_buffer );
             return VLC_EGENERIC;
         }
@@ -1029,7 +1038,8 @@ static int Capture( demux_t *p_demux )
         if ( ioctl( p_sys->i_afd, SDIAUDIO_IOC_DQBUF, p_sys->i_current_abuffer )
               < 0 )
         {
-            msg_Warn( p_demux, "couldn't SDIAUDIO_IOC_DQBUF %m" );
+            msg_Warn( p_demux, "couldn't SDIAUDIO_IOC_DQBUF: %s",
+                      vlc_strerror_c(errno) );
             return VLC_EGENERIC;
         }
 
@@ -1039,7 +1049,8 @@ static int Capture( demux_t *p_demux )
         if ( ioctl( p_sys->i_afd, SDIAUDIO_IOC_QBUF, p_sys->i_current_abuffer )
               < 0 )
         {
-            msg_Warn( p_demux, "couldn't SDIAUDIO_IOC_QBUF %m" );
+            msg_Warn( p_demux, "couldn't SDIAUDIO_IOC_QBUF: %s",
+                      vlc_strerror_c(errno) );
             return VLC_EGENERIC;
         }
 
@@ -1052,7 +1063,7 @@ static int Capture( demux_t *p_demux )
 
         if ( read( p_sys->i_afd, p_buffer, p_sys->i_abuffer_size ) < 0 )
         {
-            msg_Warn( p_demux, "couldn't read %m" );
+            msg_Warn( p_demux, "couldn't read: %s", vlc_strerror_c(errno) );
             free( p_buffer );
             return VLC_EGENERIC;
         }
diff --git a/modules/access/linsys/linsys_sdi.c b/modules/access/linsys/linsys_sdi.c
index 059614d804c8bb0f9e67d81ddf774efedd6a4e22..e77759f81246c9f96b332c5b93dd6cc24052d276 100644
--- a/modules/access/linsys/linsys_sdi.c
+++ b/modules/access/linsys/linsys_sdi.c
@@ -1759,7 +1759,8 @@ static int InitCapture( demux_t *p_demux )
                                            PROT_READ, MAP_SHARED, p_sys->i_fd,
                                            i * i_bufmemsize )) == MAP_FAILED )
         {
-            msg_Err( p_demux, "couldn't mmap(%d): %m", i );
+            msg_Err( p_demux, "couldn't mmap(%d): %s", i,
+                     vlc_strerror_c(errno) );
             free( p_sys->pp_buffers );
             return VLC_EGENERIC;
         }
@@ -1789,7 +1790,7 @@ static int Capture( demux_t *p_demux )
 
     if ( poll( &pfd, 1, READ_TIMEOUT ) < 0 )
     {
-        msg_Warn( p_demux, "couldn't poll(): %m" );
+        msg_Warn( p_demux, "couldn't poll(): %s", vlc_strerror_c(errno) );
         return VLC_EGENERIC;
     }
 
@@ -1798,7 +1799,8 @@ static int Capture( demux_t *p_demux )
         unsigned int i_val;
 
         if ( ioctl( p_sys->i_fd, SDI_IOC_RXGETEVENTS, &i_val ) < 0 )
-            msg_Warn( p_demux, "couldn't SDI_IOC_RXGETEVENTS %m" );
+            msg_Warn( p_demux, "couldn't SDI_IOC_RXGETEVENTS: %s",
+                      vlc_strerror_c(errno) );
         else
         {
             if ( i_val & SDI_EVENT_RX_BUFFER )
@@ -1818,7 +1820,8 @@ static int Capture( demux_t *p_demux )
 
         if ( ioctl( p_sys->i_fd, SDI_IOC_DQBUF, p_sys->i_current_buffer ) < 0 )
         {
-            msg_Warn( p_demux, "couldn't SDI_IOC_DQBUF %m" );
+            msg_Warn( p_demux, "couldn't SDI_IOC_DQBUF: %s",
+                      vlc_strerror_c(errno) );
             return VLC_EGENERIC;
         }
 
@@ -1828,7 +1831,8 @@ static int Capture( demux_t *p_demux )
 
         if ( ioctl( p_sys->i_fd, SDI_IOC_QBUF, p_sys->i_current_buffer ) < 0 )
         {
-            msg_Warn( p_demux, "couldn't SDI_IOC_QBUF %m" );
+            msg_Warn( p_demux, "couldn't SDI_IOC_QBUF: %s",
+                      vlc_strerror_c(errno) );
             return VLC_EGENERIC;
         }