Predict/ThreadPool problem: std exception detected: vector::reserve

Created by: darafferty

At the start of a GainCal step (from Prefactor), I get the error "std exception detected: vector::reserve". gdb gives the following info:

Processing 1798 time slots ...

0%[New Thread 0x15553c4da700 (LWP 31675)]
[New Thread 0x15553c2d9700 (LWP 31676)]
[New Thread 0x15553c0d8700 (LWP 31677)]
[New Thread 0x15553bed7700 (LWP 31678)]
[New Thread 0x15553bcd6700 (LWP 31679)]
[New Thread 0x15553bad5700 (LWP 31680)]

Thread 1 "DPPP" hit Catchpoint 1 (exception thrown), 0x000015554f3af8bd in __cxa_throw () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
(gdb) bt
#0  0x000015554f3af8bd in __cxa_throw () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#1  0x000015554f3d826f in std::__throw_length_error(char const*) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#2  0x00000000004deba8 in std::vector<std::thread, std::allocator<std::thread> >::reserve(unsigned long) ()
#3  0x00000000005864d8 in DP3::ThreadPool::ThreadPool(unsigned long) ()
#4  0x00000000005846ea in DP3::DPPP::Predict::process(DP3::DPPP::DPBuffer const&) ()
#5  0x000000000055b3a6 in DP3::DPPP::GainCal::process(DP3::DPPP::DPBuffer const&) ()
#6  0x0000000000512e92 in DP3::DPPP::Filter::process(DP3::DPPP::DPBuffer const&) ()
#7  0x000000000049b369 in DP3::DPPP::MSReader::process(DP3::DPPP::DPBuffer const&) ()
#8  0x000000000045782f in DP3::DPPP::DPRun::execute(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, int, char**) ()
#9  0x0000000000454c1e in main ()

The command I used was:

DPPP gaincal.usebeammodel=True gaincal.parmdb=instrument_directionindependent msin.baseline="CS*&; RS*&; CS*&RS*" gaincal.caltype=phaseonly gaincal.usechannelfreq=True gaincal.type=gaincal gaincal.solint=1 gaincal.nchan=0 msin.datacolumn=DATA gaincal.sourcedb=/beegfs/stuf316/2A0335ours/prefactor/Pre-Facet-Target2/2A0335ours_field.make_sourcedb_target steps="[filter,gaincal]" msout=L658738_SB001_uv_12C377384t_164MHz.msdpppconcat gaincal.beammode=array_factor msout.datacolumn=CORRECTED_DATA gaincal.maxiter=500 numthreads=2 msin=L658738_SB001_uv_12C377384t_164MHz.msdpppconcat

Let me know if you need more info or the data...