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2172836 - main Bufman: Incorrect page header read; buffer={btype=7 - SAP IQ

Symptom

When accessing tables SAP IQ raises transient error 'page header' inconsistencies of page type 7 when, in fact, there are no database inconsistencies.

I. 07/26 12:30:43. 0000139240 PostCmt 0
I. 07/26 12:30:49. 0000000000 main Bufman: Incorrect page header read; buffer={btype=7,nlb=16,blk=3187,pbn=23136236,npb=1,uid=289169,mn=25079,upmn=25079,flgs=0x80000018 page={btype=17,nlb=16,npb=1,ctr=131,cta=1
I. 07/26 12:30:49. 0000000000 main Bufman: Incorrect page header read; buffer={btype=7,nlb=16,blk=3189,pbn=3269329,npb=1,uid=289169,mn=25078,upmn=25078,flgs=0x80000018 page={btype=17,nlb=16,npb=1,ctr=131,cta=13
I. 07/26 12:30:49. 0000000000 31,pbn=23136236,txn=71090447,sp=33,ver=1,pb=145,pus=3187}. slib/s_trycatch.cxx:2543
I. 07/26 12:30:49. 0000000000 There was an s_buf::Read() error during s_bufman::Find().
I. 07/26 12:30:49. 0000000000 1,pbn=3269329,txn=71090208,sp=32,ver=1,pb=145,pus=3189}. slib/s_trycatch.cxx:2543
I. 07/26 12:30:49. 0000000000 There was an s_buf::Read() error during s_bufman::Find().
I. 07/26 12:30:49. 0000000000 main Bufman: Incorrect page header read; buffer={btype=7,nlb=16,blk=3187,pbn=23136236,npb=1,uid=289169,mn=25079,upmn=25079,flgs=0x80000018 page={btype=17,nlb=16,npb=1,ctr=131,cta=1
I. 07/26 12:30:49. 0000000000 31,pbn=23136236,txn=71090447,sp=33,ver=1,pb=145,pus=3187}. slib/s_trycatch.cxx:2543
I. 07/26 12:30:49. 0000000000 There was an s_buf::Read() error during s_bufman::Find().

Running dbcc consistency check returna a clean output.


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Environment

SAP IQ 16

Product

SAP IQ 16.0

Keywords

KBA , BC-SYB-IQ , Sybase IQ , Problem

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