Error 1141904: Kernel

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Message Data

Reported

Settlement

Delivered

 
76.00.32 Delivered 76.01.00  

Created

Processed

Completed

Affected OS

2006-06-16 2006-06-16 2006-06-28 All

Message Texts

Description Solution Patch Information Links

Description

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race condition in pager code leads to database crash a pager writer is resumed twice during savepoint: Thread 0x1A Task 89 2006-06-01 17:37:48 Pager 20004: SVP(1) Start Write Data Thread 0x1D Task 22 2006-06-01 17:37:48 ERR TASKING 11801: T12 Bad resume count detected:1 Thread 0x1D Task 22 2006-06-01 17:37:48 WNG TASKING 12428: ResumerPid T89 Thread 0x1D Task 22 2006-06-01 17:37:48 WNG TASKING 12428: ResumerPid T89 Thread 0x1D Task 22 2006-06-01 17:37:48 WNG TASKING 12428: ResumerPid T89
 

Solution

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savepoint is started while the previos savepoint has not finished completely. To prevent this situation, all pager writers are started until individual "completed" messages are processed.
 

Patch Information

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Appearance: database crashes with a bad resume count during savepoint Preconditions and circumstances: high savepoint rate with few data pages to save (e.g. r3load) Workaround: none
 

Links

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Id

Type

Description

Settlement

Planned Delivery

   1141903 Error race condition in pager code leads to database crash a pager writer is resumed... 77.01.04 4   
   1141905 Error race condition in pager code leads to database crash a pager writer is resumed... 75.00.37 4   
 
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