X-Git-Url: http://git.annexia.org/?a=blobdiff_plain;ds=sidebyside;f=perl%2Flib%2FSys%2FGuestfs%2FLib.pm;h=d5dfb4eaf500ef0805a2dd7ebdc08f6ff0f6e2e2;hb=4e444d5c09d78b0d292d95d1f97de12f26cc139d;hp=4ab75258ff4afd70c65afe704696b2e573cfd14c;hpb=b2f01ebcbeed5bc0c954f80283baf7b5ba52256e;p=libguestfs.git

diff --git a/perl/lib/Sys/Guestfs/Lib.pm b/perl/lib/Sys/Guestfs/Lib.pm
index 4ab7525..d5dfb4e 100644
--- a/perl/lib/Sys/Guestfs/Lib.pm
+++ b/perl/lib/Sys/Guestfs/Lib.pm
@@ -175,6 +175,9 @@ sub open_guest
 	my $p = XML::XPath->new (xml => $xml);
 	my @disks = $p->findnodes ('//devices/disk/source/@dev');
 	push (@disks, $p->findnodes ('//devices/disk/source/@file'));
+
+	die "$images[0] seems to have no disk devices\n" unless @disks;
+
 	@images = map { $_->getData } @disks;
     }
 
@@ -1205,14 +1208,20 @@ sub _check_for_initrd
 	    my $version = $1;
 	    my @modules;
 
-	    eval {
-		@modules = $g->initrd_list ("/boot/$initrd");
-	    };
-	    unless ($@) {
-		@modules = grep { m,([^/]+)\.ko$, || m,([^/]+)\.o$, } @modules;
-		$initrd_modules{$version} = \@modules
-	    } else {
-		warn "/boot/$initrd: could not read initrd format"
+	    # Disregard old-style compressed ext2 files, since cpio
+	    # takes ages to (fail to) process these.
+	    if ($g->file ("/boot/$initrd") !~ /gzip compressed/ ||
+		$g->zfile ("gzip", "/boot/$initrd") !~ /ext2 filesystem/) {
+		eval {
+		    @modules = $g->initrd_list ("/boot/$initrd");
+		};
+		unless ($@) {
+		    @modules = grep { m,([^/]+)\.ko$, || m,([^/]+)\.o$, }
+		    @modules;
+		    $initrd_modules{$version} = \@modules
+		} else {
+		    warn "/boot/$initrd: could not read initrd format";
+	        }
 	    }
 	}
     }