6 files changed, 9 insertions, 9 deletions
diff --git a/perl-install/partition_table_bsd.pm b/perl-install/partition_table_bsd.pm
index cb6a8441e..aa9b9eb29 100644
--- a/perl-install/partition_table_bsd.pm
+++ b/perl-install/partition_table_bsd.pm
@@ -78,8 +78,8 @@ sub read($$) {
     } $info{partitions} =~ /(.{$size})/g;
 
     #- check magic number
-    $info{magic}  == $magic or die "bad magic number";
-    $info{magic2} == $magic or die "bad magic number";
+    $info{magic}  == $magic or die "bad magic number on disk $hd->{device}";
+    $info{magic2} == $magic or die "bad magic number on disk $hd->{device}";
 
     [ @pt ], \%info;
 }
diff --git a/perl-install/partition_table_dos.pm b/perl-install/partition_table_dos.pm
index 00ee589b9..ced50826f 100644
--- a/perl-install/partition_table_dos.pm
+++ b/perl-install/partition_table_dos.pm
@@ -62,8 +62,8 @@ sub read {
     } (1..$nb_primary);
 
     #- check magic number
-    sysread F, $tmp, length $magic or die "error reading magic number";
-    $tmp eq $magic or die "bad magic number";
+    sysread F, $tmp, length $magic or die "error reading magic number on disk $hd->{device}";
+    $tmp eq $magic or die "bad magic number on disk $hd->{device}";
 
     [ @pt ];
 }
diff --git a/perl-install/partition_table_empty.pm b/perl-install/partition_table_empty.pm
index b2cc545de..6c922ffb7 100644
--- a/perl-install/partition_table_empty.pm
+++ b/perl-install/partition_table_empty.pm
@@ -25,8 +25,8 @@ sub read($$) {
     c::lseek_sector(fileno(F), $sector, 0) or die "reading of partition in sector $sector failed";
 
     #- check magic number
-    sysread F, $tmp, 512 or die "error reading magic number";
-    $tmp eq substr($tmp, 0, 1) x 512 or die "bad magic number";
+    sysread F, $tmp, 512 or die "error reading magic number on disk $hd->{device}";
+    $tmp eq substr($tmp, 0, 1) x 512 or die "bad magic number on disk $hd->{device}";
 
     partition_table_raw::zero_MBR($hd);
 
diff --git a/perl-install/partition_table_gpt.pm b/perl-install/partition_table_gpt.pm
index fe70009b0..d4c873851 100644
--- a/perl-install/partition_table_gpt.pm
+++ b/perl-install/partition_table_gpt.pm
@@ -106,7 +106,7 @@ sub read_header {
     sysread $F, $tmp, psizeof($main_format) or die "error while reading partition table in sector $sector";
     my %info; @info{@$main_fields} = unpack $main_format, $tmp;
     
-    $info{magic} eq $magic or die "bad magic number";
+    $info{magic} eq $magic or die "bad magic number on disk $hd->{device}";
     $info{myLBA} == $sector or die "myLBA is not the same";
     $info{headerSize} == psizeof($main_format) or die "bad partition table header size";
     $info{partitionEntrySize} == psizeof($partitionEntry_format) or die "bad partitionEntrySize";
diff --git a/perl-install/partition_table_mac.pm b/perl-install/partition_table_mac.pm
index 5c06b8a7e..4a094e92b 100644
--- a/perl-install/partition_table_mac.pm
+++ b/perl-install/partition_table_mac.pm
@@ -114,7 +114,7 @@ sub read($$) {
     }
 
     #- check magic number
-    $info{bzSig}  == $magic or die "bad magic number";
+    $info{bzSig}  == $magic or die "bad magic number on disk $hd->{device}";
 
     my $numparts;
     c::lseek_sector(fileno(F), $sector, 516) or die "reading of partition in sector $sector failed";
diff --git a/perl-install/partition_table_sun.pm b/perl-install/partition_table_sun.pm
index 75025b503..e0cc05265 100644
--- a/perl-install/partition_table_sun.pm
+++ b/perl-install/partition_table_sun.pm
@@ -82,7 +82,7 @@ sub read($$) {
     my %info; @info{@$main_fields} = unpack $main_format, $tmp;
 
     #- check magic number
-    $info{magic}  == $magic or die "bad magic number";
+    $info{magic}  == $magic or die "bad magic number on disk $hd->{device}";
 
     #- check crc, csum contains the crc so result should be 0.
     compute_crc($tmp) == 0 or die "bad checksum";