diff --git a/htdocs/crashes.php b/htdocs/crashes.php
index 0ac4fc0..3b23f49 100644
--- a/htdocs/crashes.php
+++ b/htdocs/crashes.php
@@ -17,6 +17,101 @@ Layout::header();
 $filter->render();
 ?>
 
+<script>
+    $(function() {
+        var tag = $("<div></div>");
+        var $dialog = tag.dialog({
+            autoOpen: false,
+            show: 100,
+            hide: 50,
+            resizable: false,
+            minHeight: 0,
+        });
+        $(".ui-dialog-titlebar-close", $dialog.parent()).hide();
+        $dialog.css('padding','0px 0px 0px 4px');
+        
+        var sumbmitted = [];
+        var data = [];
+        
+        $(".rowhighlight").each(function() {
+            var $link = $(this);
+            var id = $link.data("id");
+            var signature_id = $link.data("signature-id");
+
+            function setDialog(report_id) {
+                if (data[report_id]) {
+                    tag.html(data[report_id]);
+                } else {
+                    if (!sumbmitted[report_id])
+                    {
+                        sumbmitted[report_id] = true;
+                        tag.html("Loading ...");
+
+                        $.ajax({
+                            url: "report_tip.php?id=" + id + "&signature_id=" + signature_id,
+                            success: function(res){
+                                data[report_id] = res;
+                                tag.html(res);
+                            },
+                            error: function(){
+                                sumbmitted[report_id] = false;
+                                tag.html("Failed to fetch data");
+                            },
+                        });
+                    }
+                }
+            };
+
+            function getPos(e) {
+                var x = e.pageX;
+                var dwidth = $dialog.dialog("option", "width");
+                if (x < $(window).width() - dwidth - 40) {
+                    x += 15;
+                } else {
+                    x -= dwidth + 40;
+                }
+                
+                var y = e.pageY + $(document).scrollTop();
+                var dheight = $dialog.height();
+                if (dheight < 40) dheight = 40;
+                //console.debug("y=" + y + "; wheight=" + $(window).height() + ": dheight=" + dheight);
+                if (y < $(window).height() - dheight - 40)
+                {
+                    y += 15;
+                }
+                else
+                {
+                    y -= dheight + 40;
+                }
+                return [x, y];
+            };
+            
+            $link.on("mouseenter", function(e) {
+                setDialog($link.data("id"));
+                $dialog.dialog("option","position", getPos(e));
+                $dialog.dialog("option","title", "Crash signature " + signature_id);
+                $link.delay(300).queue(function() {
+                    if (!$dialog.dialog("isOpen"))
+                    {
+                        $dialog.dialog("open");
+                    }
+                    $link.dequeue();
+                });
+            });
+            $link.on("mousemove", function(e) {
+                //console.debug(e.x);
+                $dialog.dialog("option","position", getPos(e));
+            });
+            $link.on("mouseleave", function() {
+                $link.clearQueue();
+                if ($dialog.dialog("isOpen"))
+                {
+                    $dialog.dialog("close");
+                }
+            });
+        });
+    });
+</script>
 <p>Reports <strong><?php echo $total ?></strong></p>
 
 <table width="100%" class="jtable">
@@ -26,14 +121,16 @@ $filter->render();
         <th>Operating System</th>
         <th>GPU</th>
         <th>Grid (region)</th>
+        <th></th>
     </tr>
 <?php for ($i=0; $i<count($reports); $i++): ?>
-    <tr class="rowhighlight">
+    <tr class="rowhighlight" data-signature-id="<?php echo $reports[$i]->signature_id ?>" data-id="<?php echo $reports[$i]->id ?>">
         <td><?php lk($reports[$i]->id, $reports[$i]->id) ?></td>
         <td><?php lk($reports[$i]->id, $reports[$i]->client_channel . " " . $reports[$i]->client_version) ?></td>
         <td><?php lk($reports[$i]->id, $reports[$i]->os) ?></td>
         <td><?php lk($reports[$i]->id, $reports[$i]->gpu) ?></td>
         <td><?php lk($reports[$i]->id, $reports[$i]->grid . " (" . $reports[$i]->region . ")") ?></td>
+        <td style="text-align: right"><a href="<?php echo URL_ROOT . "/crashes.php?signature_id=" . $reports[$i]->signature_id ?>">Similar</a></td>
     </tr>
 <?php endfor ?>
 </table>
diff --git a/htdocs/lib/CrashReport.php b/htdocs/lib/CrashReport.php
index 596f173..7221a64 100644
--- a/htdocs/lib/CrashReport.php
+++ b/htdocs/lib/CrashReport.php
@@ -83,7 +83,7 @@ class CrashReport
         }
     }
     
-    function getReports($filter, $fields = "id, reported, client_version, client_channel, os, gpu, grid, region")
+    function getReports($filter, $fields = "id, reported, client_version, client_channel, os, gpu, grid, region, signature_id")
     {
         $ret = array();
         $q = "select $fields from reports " . $filter->getWhere() . kl_str_sql(" order by id desc limit !i offset !i", $filter->limit, $filter->offset);
@@ -305,7 +305,15 @@ class CrashReport
             }
         }
         
-        if ($function == $singu_function) $function = "";
+        if ($function == $singu_function)
+        {
+            $function = "";
+        }
+        if (!$singu_function && strpos($function, "LL") !== false)
+        {
+            $singu_function = $function;
+            $function = "";
+        }
         $this->signature_text = "$module|$function|$singu_function";
         $this->signature = md5($this->signature_text);
     }
diff --git a/htdocs/lib/CrashStats.php b/htdocs/lib/CrashStats.php
index f226c56..ff95ae9 100644
--- a/htdocs/lib/CrashStats.php
+++ b/htdocs/lib/CrashStats.php
@@ -6,7 +6,14 @@ class CrashStats
     
     function __construct($filter = null)
     {
-        $this->filter = $filter;
+        if ($filter)
+        {
+            $this->filter = $filter;
+        }
+        else
+        {
+            $this->filter = new SearchFilter;
+        }
     }
     
     function setFilter($filter)
@@ -14,6 +21,49 @@ class CrashStats
         $this->filter = $filter;
     }
     
+    function getTopCrashers()
+    {
+        $ret = array();
+        $where = $this->filter->getWhere();
+        $q = "select count(r.id) as nr, s.id as signature_id, s.signature as signature_text from reports r join signature s on r.signature_id = s.id $where group by signature_id order by nr desc";
+        $q .= kl_str_sql(" limit !i", 100);
+        if (false !== $cached = Memc::getq($q)) return $cached;
+
+        if (!$res = DBH::$db->query($q))
+        {
+            return $ret;
+        }
+        
+        while ($row = DBH::$db->fetchRow($res))
+        {
+            $r = new stdClass;
+            DBH::$db->loadFromDbRow($r, $res, $row);
+            $ret[] = $r;
+        }
+        
+        Memc::setq($q, $ret);
+        return $ret;
+    }
+    
+    function getSignature($id)
+    {
+        $ret = new stdClass;
+        $q = kl_str_sql("select * from signature where id=!i", $id);
+
+        if (!$res = DBH::$db->query($q))
+        {
+            return false;
+        }
+        
+        if ($row = DBH::$db->fetchRow($res))
+        {
+            DBH::$db->loadFromDbRow($ret, $res, $row);
+            return $ret;
+        }
+        
+        return false;
+    }
+    
     function getGPUStats()
     {
         $ret = array();
diff --git a/htdocs/lib/SearchFilter.php b/htdocs/lib/SearchFilter.php
index 31b5883..4c584ab 100644
--- a/htdocs/lib/SearchFilter.php
+++ b/htdocs/lib/SearchFilter.php
@@ -9,6 +9,7 @@ class SearchFilter
     public $region;
     public $gpu;
     public $stacktrace;
+    public $signature_id;
     
     public $sort_by;
     public $sort_order;
@@ -18,7 +19,7 @@ class SearchFilter
     public $offset = 0;
     public $page = 0;
     
-    var $fields = array("os", "chan", "version", "grid", "region", "gpu", "stacktrace");
+    var $fields = array("os", "chan", "version", "grid", "region", "gpu", "stacktrace", "signature_id");
     
     function __construct()
     {
@@ -76,6 +77,7 @@ class SearchFilter
         if ($this->grid) $cond[] = kl_str_sql("grid=!s", $this->grid);
         if ($this->region) $cond[] = kl_str_sql("region=!s", $this->region);
         if ($this->gpu) $cond[] = kl_str_sql("gpu=!s", $this->gpu);
+        if ($this->signature_id) $cond[] = kl_str_sql("signature_id=!s", $this->signature_id);
         
         if ($this->stacktrace)
         {
@@ -213,6 +215,10 @@ for($i = 0; $i < count($grids); $i++)
 <input type="hidden" name="gpu" value="<?php echo htmlentities($this->gpu) ?>" />
 <?php endif ?>
 
+<?php if ($this->signature_id): ?>
+<input type="hidden" name="signature_id" value="<?php echo htmlentities($this->signature_id) ?>" />
+<?php endif ?>
+
 </form>
         
 <?php
diff --git a/htdocs/lib/update_signatures.php b/htdocs/lib/update_signatures.php
old mode 100755
new mode 100644
index cd312bf..3b04e06
--- a/htdocs/lib/update_signatures.php
+++ b/htdocs/lib/update_signatures.php
@@ -17,8 +17,8 @@ while ($row = DBH::$db->fetchRow($res))
     DBH::$db->loadFromDbRow($r, $res, $row);
     $r->parseStackTrace();
     $r->updateSignature();
-    var_dump($r);
     print "Updating signature for {$r->id}\n";
     $r->saveSignature();
 }
-DBH::$db->commit();
\ No newline at end of file
+DBH::$db->commit();
+Memc::flush();
\ No newline at end of file
diff --git a/htdocs/report_tip.php b/htdocs/report_tip.php
new file mode 100644
index 0000000..7030595
--- /dev/null
+++ b/htdocs/report_tip.php
@@ -0,0 +1,36 @@
+<?php
+
+define("SITE_ROOT", realpath(dirname(__file__)));
+require_once SITE_ROOT . "/lib/init.php";
+$S->requireUser();
+
+/*
+$report = CrashReport::getReport((int)$_GET["id"]);
+if (!$report)
+{
+    print "<p>No such report</p>";
+    return;    
+}
+
+
+$full = ReportParser::parse($report->id);
+//print_r (array_keys($full));
+
+print "<p> Reported: " . date("r", (int)$report->reported). "</p>";
+*/
+
+$stats = new CrashStats($filter);
+
+if (false === $r = $stats->getSignature((int)$_GET["signature_id"]))
+{
+    print "<p>No such signature</p>";
+}
+
+$parts = explode("|", $r->signature);
+$txt = "";
+if ($parts[1]) $txt .= preg_replace("/((::|&lt;|&gt;|,|\\(|\\)))/", "<wbr/>\\1<wbr/>", htmlentities($parts[1]));
+if ($txt) $txt .= "<br/><br/>";
+if ($parts[2]) $txt .= preg_replace("/((::|&lt;|&gt;|,|\\(|\\)))/", "<wbr/>\\1<wbr/>", htmlentities($parts[2]));
+
+print "<p>Module: " . $parts[0];
+if ($txt) print "<br/><br/>" . $txt . "</p>";
\ No newline at end of file
diff --git a/htdocs/statistics.php b/htdocs/statistics.php
index 294ae01..fa94800 100644
--- a/htdocs/statistics.php
+++ b/htdocs/statistics.php
@@ -28,7 +28,39 @@ $filter->render();
 
     <!-- top crashers tab -->
     <div id="tab-1">
-        <p>Working on it</p>
+<?php
+    function rl_s($r)
+    {
+        global $filter;
+        return URL_ROOT . "/crashes.php?" . $filter->getURLArgs() . "&signature_id=" . urlencode($r->signature_id);
+    }
+    $sigs = $stats->getTopCrashers();
+    $c = count($sigs);
+    if ($c) :
+?>
+        <table class="jtable noborder" style="width: 100%">
+            <tr>
+                <th style="width:  3%">Nr</th>
+                <th style="width: 10%">Module</th>
+                <th style="width: 80%">Stack Top</th>
+            </tr>
+<?php
+    foreach($sigs as $r):
+        $parts = explode("|", $r->signature_text);
+        $txt = "";
+        if ($parts[1]) $txt .= preg_replace("/((&lt;|&gt;|,|\\(|\\)))/", "&thinsp;\\1&thinsp;", htmlentities($parts[1]));
+        if ($txt) $txt .= "<br/><br/>";
+        if ($parts[2]) $txt .= preg_replace("/((&lt;|&gt;|,|\\(|\\)))/", "&thinsp;\\1&thinsp;", htmlentities($parts[2]));
+?>
+            <tr class="rowhighlight">
+                <td style="text-align: right"><a href="<?php echo rl_s($r) ?>"><?php echo htmlentities($r->nr) ?></a></td>
+                <td><a href="<?php echo rl_s($r) ?>"><?php echo htmlentities($parts[0]) ?></a></td>
+                <td><a href="<?php echo rl_s($r) ?>"><?php echo $txt ?></a></td>
+            </tr>
+<?php endforeach ?>
+        </table>
+
+<?php endif ?>
     </div>
     <!-- /top crashers tab -->