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Fatal Error In Buffer Manager for btclean thread

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beksalur

Technical User
Jan 2, 2003
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We had a log message in OnLine 7.31 relating with BTree thread.The message which describes the problem is ;

page header
c00000001dbbd800: 01518dd0 a98807f7 00110090 016c064c .Q...... .....l.L
c00000001dbbd810: 00009fae 00009f80 ........
23:41:05
23:41:05 Informix Dynamic Server Version 7.31.FD1 Software Serial Number AAD#J206992

23:41:05 Assert Failed: Fatal Error In Buffer Manager
23:41:05 Who: Session(12, root@boytas, 0, 972014616)
Thread(182, btclean, c000000039ec0df8, 1)
File: rsbuff.c Line: 113
23:41:05 Results: Dynamic Server must abort
23:41:05 Action: Reinitialize shared memory
23:41:05 Stack for thread: 182 btclean

base: 0xc000000039f54000
len: 40960
pc: 0x0000000000000000
tos: 0xc000000039f55e90
state: running
vp: 1

is there anyone who can explain why this happened and what caused it so, what measurements can be taken for avoiding to happen it again in the future?

 
there is a only one db instance with 300 users and an avarege of 700 threads.
 
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