bk commit into 5.0 tree (jonas:1.2243) BUG#21615

[jonas]

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ChangeSet@stripped, 2006-08-28 10:26:21+02:00, jonas@stripped +1 -0
  ndb - bug#21615
    Improve error message when detecting corrupted REDO log

  ndb/src/kernel/blocks/dblqh/DblqhMain.cpp@stripped, 2006-08-28 10:26:19+02:00, jonas@stripped +48 -30
    Improve error message when detecting corrupted REDO log

# This is a BitKeeper patch.  What follows are the unified diffs for the
# set of deltas contained in the patch.  The rest of the patch, the part
# that BitKeeper cares about, is below these diffs.
# User:	jonas
# Host:	perch.ndb.mysql.com
# Root:	/home/jonas/src/50-work

--- 1.92/ndb/src/kernel/blocks/dblqh/DblqhMain.cpp	2006-08-28 10:26:24 +02:00
+++ 1.93/ndb/src/kernel/blocks/dblqh/DblqhMain.cpp	2006-08-28 10:26:24 +02:00
@@ -14622,6 +14622,8 @@
   LogFileRecordPtr nextLogFilePtr;
   LogPageRecordPtr tmpLogPagePtr;
   Uint32 logWord;
+  Uint32 line;
+  const char * crash_msg = 0;
 
   jamEntry();
   logPartPtr.i = signal->theData[0];
@@ -14832,8 +14834,14 @@
 /* PLACE THAN IN THE FIRST PAGE OF A NEW FILE IN THE FIRST POSITION AFTER THE*/
 /* HEADER.                                                                   */
 /*---------------------------------------------------------------------------*/
-      ndbrequire(logPagePtr.p->logPageWord[ZCURR_PAGE_INDEX] == 
-	  (ZPAGE_HEADER_SIZE + ZPOS_NO_FD));
+      if (unlikely(logPagePtr.p->logPageWord[ZCURR_PAGE_INDEX] != 
+		   (ZPAGE_HEADER_SIZE + ZPOS_NO_FD)))
+      {
+	line = __LINE__;
+	logWord = logPagePtr.p->logPageWord[ZCURR_PAGE_INDEX];
+	crash_msg = "ZFD_TYPE at incorrect position!";
+	goto crash;
+      }
       {
         Uint32 noFdDescriptors = 
 	  logPagePtr.p->logPageWord[ZPAGE_HEADER_SIZE + ZPOS_NO_FD];
@@ -14870,19 +14878,10 @@
 /*---------------------------------------------------------------------------*/
 /* SEND A SIGNAL TO THE SIGNAL LOG AND THEN CRASH THE SYSTEM.                */
 /*---------------------------------------------------------------------------*/
-          signal->theData[0] = RNIL;
-          signal->theData[1] = logPartPtr.i;
-	  Uint32 tmp = logFilePtr.p->fileName[3];
-	  tmp = (tmp >> 8) & 0xff;// To get the Directory, DXX.
-	  signal->theData[2] = tmp;
-          signal->theData[3] = logFilePtr.p->fileNo;
-          signal->theData[4] = logFilePtr.p->currentFilepage;
-          signal->theData[5] = logFilePtr.p->currentMbyte;
-          signal->theData[6] = logPagePtr.p->logPageWord[ZCURR_PAGE_INDEX];
-	  signal->theData[7] = ~0;
-	  signal->theData[8] = __LINE__;
-          sendSignal(cownref, GSN_DEBUG_SIG, signal, 9, JBA);
-          return;
+	  line = __LINE__;
+	  logWord = ZNEXT_MBYTE_TYPE;
+	  crash_msg = "end of log wo/ having found last GCI";
+	  goto crash;
         }//if
       }//if
 /*---------------------------------------------------------------------------*/
@@ -14937,19 +14936,9 @@
 /*---------------------------------------------------------------------------*/
 /* SEND A SIGNAL TO THE SIGNAL LOG AND THEN CRASH THE SYSTEM.                */
 /*---------------------------------------------------------------------------*/
-      signal->theData[0] = RNIL;
-      signal->theData[1] = logPartPtr.i;
-      Uint32 tmp = logFilePtr.p->fileName[3];
-      tmp = (tmp >> 8) & 0xff;// To get the Directory, DXX.
-      signal->theData[2] = tmp;
-      signal->theData[3] = logFilePtr.p->fileNo;
-      signal->theData[4] = logFilePtr.p->currentMbyte;
-      signal->theData[5] = logFilePtr.p->currentFilepage;
-      signal->theData[6] = logPagePtr.p->logPageWord[ZCURR_PAGE_INDEX];
-      signal->theData[7] = logWord;
-      signal->theData[8] = __LINE__;
-      sendSignal(cownref, GSN_DEBUG_SIG, signal, 9, JBA);
-      return;
+      line = __LINE__;
+      crash_msg = "Invalid logword";
+      goto crash;
       break;
     }//switch
 /*---------------------------------------------------------------------------*/
@@ -14957,6 +14946,35 @@
 // that we reach a new page.
 /*---------------------------------------------------------------------------*/
   } while (1);
+  return;
+  
+crash:
+  signal->theData[0] = RNIL;
+  signal->theData[1] = logPartPtr.i;
+  Uint32 tmp = logFilePtr.p->fileName[3];
+  tmp = (tmp >> 8) & 0xff;// To get the Directory, DXX.
+  signal->theData[2] = tmp;
+  signal->theData[3] = logFilePtr.p->fileNo;
+  signal->theData[4] = logFilePtr.p->currentMbyte;
+  signal->theData[5] = logFilePtr.p->currentFilepage;
+  signal->theData[6] = logPagePtr.p->logPageWord[ZCURR_PAGE_INDEX];
+  signal->theData[7] = logWord;
+  signal->theData[8] = line;
+  
+  char buf[255];
+  BaseString::snprintf(buf, sizeof(buf), 
+		       "Error while reading REDO log. from %d\n"
+		       "D=%d, F=%d Mb=%d FP=%d W1=%d W2=%d : %s",
+		       signal->theData[8],
+		       signal->theData[2], 
+		       signal->theData[3], 
+		       signal->theData[4],
+		       signal->theData[5], 
+		       signal->theData[6], 
+		       signal->theData[7],
+		       crash_msg ? crash_msg : "");
+  
+  progError(__LINE__, NDBD_EXIT_SR_REDOLOG, buf);  
 }//Dblqh::execSr()
 
 /*---------------------------------------------------------------------------*/
@@ -14972,8 +14990,8 @@
   UintR tdebug;
 
   jamEntry();
-  logPagePtr.i = signal->theData[0];
-  tdebug = logPagePtr.p->logPageWord[0];
+  //logPagePtr.i = signal->theData[0];
+  //tdebug = logPagePtr.p->logPageWord[0];
 
   char buf[100];
   BaseString::snprintf(buf, 100,