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Hi Sjors,
   I get a strange error after iteration 13:

Last message in the X.out file:

  3/   3 sec 
.........................................................~~(,_">
    3/   3 sec 
............................................................~~(,_,">
  Auto-refine: Estimated accuracy angles= 4.015 degrees; offsets= 1.784 
pixels
  Auto-refine: Angular step= 1.875 degrees; local searches= true
  Auto-refine: Offset search range= 4.014 pixels; offset step= 1.338 
pixels
  Estimated required memory for expectation step= 0.128886 Gb, maximum 
allowed memory = 4 Gb.
  CurrentResolution= 32.4 Angstroms, which requires orientationSampling 
of at least 11.25 degrees for a particle of diameter 330 Angstroms
  Oversampling= 0 NrHiddenVariableSamplingPoints= 2654208
  OrientationalSampling= 3.75 NrOrientations= 145
  TranslationalSampling= 2.676 NrTranslations= 9
=============================
  Oversampling= 1 NrHiddenVariableSamplingPoints= 84934656
  OrientationalSampling= 1.875 NrOrientations= 1160
  TranslationalSampling= 1.338 NrTranslations= 36
=============================



Message in the X.err file:

/relion-1.2_intel/bin/relion_refine_mpi: symbol lookup error: 
/home/lv70172/blaas/software/relion-1.2_intel/bin/relion_refine_mpi: 
undefined symbol: __libm_error_support
/relion-1.2_intel/bin/relion_refine_mpi: symbol lookup error: 
/home/lv70172/blaas/software/relion-1.2_intel/bin/relion_refine_mpi: 
undefined symbol: __libm_error_support
/relion-1.2_intel/bin/relion_refine_mpi: symbol lookup error: 
/home/lv70172/blaas/software/relion-1.2_intel/bin/relion_refine_mpi: 
undefined symbol: __libm_error_support

and so on till the crash.....

Any ideas? Thanks, Dieter

-- 
Dr. Dieter Blaas
Max F. Perutz Laboratories,
Inst. Med. Biochem.,
Med. Univ. Vienna
Dr. Bohr Gasse 9/3
A-1030 Vienna, Austria
Tel. 0043 1 4277 61630
Fax  0043 1 4277 9616