Symptom
After upgraded tp SP11.21, due to 'IPHR(Incorrect page header read)' problem, suddenly server got crash many times.
Wen executed DBCC on one table, it reported various ( not-consistent ) error detection message, first run DBCC said all FP column had problem,
but next another DBCC reported some of FP columns had problem. There is no RLV table in this customer DB.
*iqmsg =>
.. main Bufman: Incorrect page header read; from slib/s_bufman.cxx:3212 into buffer 0x7f9338ff1dd8
.. main Bufman: An error was detected on a database page. You may have a damaged index. For additional information, please check your IQ message file or run sp_iqcheckdb.
-- (slib/s_blockmap.cxx 14743)
...
.. main Bufman: Decompression error during Read; from slib/s_buf.cxx:1812 into buffer 0x7f9338ff1dd8
...
* stack-1 :
===== Thread Number 140446770521856 (IQ connID: 0000137137) =====
...
hos_ABORT
SigHndlr+0x59
_fini+0xe0ed3c4c
s_blockmap_ondisk::AllocEntry
s_blockmap::AllocateLogicalBlockId
...
st_txncb::FlushCoalesce
st_txncb::FlushForCommit
...
* stack-2 :
===== Thread Number 140262718224128 (IQ connID: 0000012097) =====
...
hos_ABORT
Throw
hos_assertexception::ThrowException
st_txnMgrAbortHelper::st_txnMgrAbortHelperTerminator
hos_ObjectStack::Throw
Throw
s_blockmap_ondisk::AllocEntry
s_blockmap::AllocateLogicalBlockId
...
st_txncb::Combine
st_txnMgr::CombineTransactions
st_txnMgr::DropVersions
...
Read more...
Environment
- SAP IQ 16.0 SP11.x
- SAP IQ 16.1 SP02
Product
Keywords
IPHR , s_blockmap ,"Incorrect Page Header Read" , st_txnMgrAbortHelperTerminator , s_bufman , "Decompression error during Read" , CR817604, 817604, , KBA , BC-SYB-IQ , Sybase IQ , Problem
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