From: Date: February 10 2006 9:17am
Subject: bk commit into 4.1 tree (jonas:1.2462) BUG#17295
List-Archive: http://lists.mysql.com/commits/2417
X-Bug: 17295
Message-Id: <20060210081756.B1E01FB20E@perch.ndb.mysql.com>

Below is the list of changes that have just been committed into a local
4.1 repository of jonas. When jonas does a push these changes will
be propagated to the main repository and, within 24 hours after the
push, to the public repository.
For information on how to access the public repository
see http://dev.mysql.com/doc/mysql/en/installing-source-tree.html

ChangeSet
  1.2462 06/02/10 09:17:53 jonas@stripped +1 -0
  bug#17295 - ndb - error while reading REDO log
    fix corruption due to page 0, file 0 gets released

  ndb/src/kernel/blocks/dblqh/DblqhMain.cpp
    1.61 06/02/10 09:17:51 jonas@stripped +11 -3
    Make sure that page 0, file 0 isnt released

# 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/41-work

--- 1.60/ndb/src/kernel/blocks/dblqh/DblqhMain.cpp	2006-02-06 11:42:43 +01:00
+++ 1.61/ndb/src/kernel/blocks/dblqh/DblqhMain.cpp	2006-02-10 09:17:51 +01:00
@@ -14767,7 +14767,9 @@
           signal->theData[4] = logFilePtr.p->currentFilepage;
           signal->theData[5] = logFilePtr.p->currentMbyte;
           signal->theData[6] = logPagePtr.p->logPageWord[ZCURR_PAGE_INDEX];
-          sendSignal(cownref, GSN_DEBUG_SIG, signal, 7, JBA);
+	  signal->theData[7] = ~0;
+	  signal->theData[8] = __LINE__;
+          sendSignal(cownref, GSN_DEBUG_SIG, signal, 9, JBA);
           return;
         }//if
       }//if
@@ -14833,7 +14835,8 @@
       signal->theData[5] = logFilePtr.p->currentFilepage;
       signal->theData[6] = logPagePtr.p->logPageWord[ZCURR_PAGE_INDEX];
       signal->theData[7] = logWord;
-      sendSignal(cownref, GSN_DEBUG_SIG, signal, 8, JBA);
+      signal->theData[8] = __LINE__;
+      sendSignal(cownref, GSN_DEBUG_SIG, signal, 9, JBA);
       return;
       break;
     }//switch
@@ -14862,8 +14865,9 @@
 
   char buf[100];
   BaseString::snprintf(buf, 100, 
-	   "Error while reading REDO log.\n"
+	   "Error while reading REDO log. from %d\n"
 	   "D=%d, F=%d Mb=%d FP=%d W1=%d W2=%d",
+	   signal->theData[8],
 	   signal->theData[2], signal->theData[3], signal->theData[4],
 	   signal->theData[5], signal->theData[6], signal->theData[7]);
 
@@ -15439,6 +15443,10 @@
   // to read a page from file. 
   lfoPtr.p->lfoState = LogFileOperationRecord::WRITE_SR_INVALIDATE_PAGES;
 
+  /**
+   * Make sure we dont release zero page
+   */
+  seizeLogpage(signal);
   invalidateLogAfterLastGCI(signal);
   return;
 }//Dblqh::readSrFourthZeroLab()