Forum: Ruby cfp-consistency error

F03229d02fc9daae1feb887004ea8d2d?d=identicon&s=25 Praveen Devarao (praveend)
on 2013-07-11 17:06
Attachment: trace.txt (100 KB)
Hi,

I am running Rails test suite with DB2 for providing compatibility with
Rails-4. I am continuously running into a crash with cfp consistency
error. Interestingly this error is occurring at different places, hence
making it difficult to diagnose.

Could you let me know why does a cfp consistency error occurs, like ehat
conditions can cause this error to be thrown.

The C code of the ibm_db driver can be found at
http://rubyibm.rubyforge.org/svn/trunk/IBM_DB_Driv...

Could anyone point me to where I can start to diagnose and correct the
problem.

I am on ruby 1.9.3p125 (2012-02-16 revision 34643) [x86_64-linux]
OS - Ubuntu 12.04.2 LTS
gcc version with which Ruby is compiled - gcc (Ubuntu/Linaro
4.6.3-1ubuntu5) 4.6.3
Here is the initial stack trace.. The full trace can be found in the
file attached.

----------------------------------
/home/praveen/GEM_HOME/gems_home_rb193_rails4/gems/activesupport-4.0.0/lib/active_support/per_thread_registry.rb:49:
[BUG] cfp consistency error - send
ruby 1.9.3p125 (2012-02-16 revision 34643) [x86_64-linux]

-- Control frame information
-----------------------------------------------
c:0010 p:---- s:0033 b:0033 l:000032 d:000032 CFUNC  :[]
c:0009 p:0029 s:0029 b:0026 l:000025 d:000025 METHOD
/home/praveen/GEM_HOME/gems_home_rb193_rails4/gems/activesupport-4.0.0/lib/active_support/per_thread_registry.rb:49
c:0008 p:0009 s:0023 b:0023 l:001450 d:000022 LAMBDA
/home/praveen/GEM_HOME/gems_home_rb193_rails4/gems/activesupport-4.0.0/lib/active_support/per_thread_registry.rb:40
c:0007 p:---- s:0019 b:0019 l:000018 d:000018 FINISH
c:0006 p:0019 s:0017 b:0017 l:000016 d:000016 METHOD
/home/praveen/GEM_HOME/gems_home_rb193_rails4/gems/activerecord-4.0.0/lib/active_record/connection_handling.rb:57
c:0005 p:0018 s:0014 b:0013 l:000012 d:000012 METHOD
/home/praveen/GEM_HOME/gems_home_rb193_rails4/gems/activerecord-4.0.0/lib/active_record/connection_adapters/abstract/connection
c:0004 p:0014 s:0010 b:0009 l:000008 d:000008 METHOD
/home/praveen/GEM_HOME/gems_home_rb193_rails4/gems/activerecord-4.0.0/lib/active_record/connection_adapters/abstract/connection
c:0003 p:0011 s:0006 b:0006 l:001230 d:000005 BLOCK
/home/praveen/GEM_HOME/gems_home_rb193_rails4/gems/activerecord-4.0.0/test/cases/connection_pool_test.rb:189
c:0002 p:---- s:0004 b:0004 l:000003 d:000003 FINISH
c:0001 p:---- s:0002 b:0002 l:000001 d:000001 TOP

-- Ruby level backtrace information
----------------------------------------
/home/praveen/GEM_HOME/gems_home_rb193_rails4/gems/activerecord-4.0.0/test/cases/connection_pool_test.rb:189:in
`block (2 levels) in test_checkout_behaviour'
/home/praveen/GEM_HOME/gems_home_rb193_rails4/gems/activerecord-4.0.0/lib/active_record/connection_adapters/abstract/connection_pool.rb:264:in
`connection'
/home/praveen/GEM_HOME/gems_home_rb193_rails4/gems/activerecord-4.0.0/lib/active_record/connection_adapters/abstract/connection_pool.rb:444:in
`current_connection_id'
/home/praveen/GEM_HOME/gems_home_rb193_rails4/gems/activerecord-4.0.0/lib/active_record/connection_handling.rb:57:in
`connection_id'
/home/praveen/GEM_HOME/gems_home_rb193_rails4/gems/activesupport-4.0.0/lib/active_support/per_thread_registry.rb:40:in
`block in method_missing'
/home/praveen/GEM_HOME/gems_home_rb193_rails4/gems/activesupport-4.0.0/lib/active_support/per_thread_registry.rb:49:in
`per_thread_registry_instance'
/home/praveen/GEM_HOME/gems_home_rb193_rails4/gems/activesupport-4.0.0/lib/active_support/per_thread_registry.rb:49:in
`[]'

-- C level backtrace information
-------------------------------------------
/home/praveen/ruby193_exe/bin/ruby() [0x52b387] vm_dump.c:796
/home/praveen/ruby193_exe/bin/ruby() [0x5787b8] error.c:258
/home/praveen/ruby193_exe/bin/ruby(rb_bug+0xb1) [0x579c21] error.c:277
/home/praveen/ruby193_exe/bin/ruby() [0x527b0a] vm_insnhelper.c:407
/home/praveen/ruby193_exe/bin/ruby() [0x51cb0a] insns.def:1915
/home/praveen/ruby193_exe/bin/ruby() [0x52173e] vm.c:1220
/home/praveen/ruby193_exe/bin/ruby() [0x522492] vm.c:624
/home/praveen/ruby193_exe/bin/ruby() [0x522c01] vm.c:670
/home/praveen/ruby193_exe/bin/ruby() [0x52796e] vm_insnhelper.c:433
/home/praveen/ruby193_exe/bin/ruby() [0x51b95f] insns.def:1015
/home/praveen/ruby193_exe/bin/ruby() [0x52173e] vm.c:1220
/home/praveen/ruby193_exe/bin/ruby() [0x522492] vm.c:624
/home/praveen/ruby193_exe/bin/ruby() [0x522c01] vm.c:670
/home/praveen/ruby193_exe/bin/ruby() [0x532491] thread.c:453
/home/praveen/ruby193_exe/bin/ruby() [0x53265f] thread_pthread.c:653
-------------------------------

Thanks

Praveen
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