Enrico Forestieri <[EMAIL PROTECTED]> writes:

> 
> When trying to preview a beamer document I get a crash with a cygwin build.
> I attach a bt at the bottom. Am I right that the crash is occurring inside
> cygwin1.dll? Just ignore the first two false SEGFAULTS, it's a known
> problem with gdb in cygwin, solved by a couple of "cont".
> 
> I am quite sure it is a cygwin1.dll fault, but want to be really sure
> before I report the problem to their really picky mailing list 
> 

Something is going wrong when performing a check sum on some file. Perhaps add
some diagnostic info so you can ascertain what file:

#20 0x009dd6b0 in check_exception_spec ()
#21 0x009de467 in __cxa_throw ()
#22 0x009d5eee in std::__throw_ios_failure ()
#23 0x00a9333d in std::basic_filebuf<char, std::char_traits<char> >::underflow
    ()
#24 0x00af49b9 in std::for_each<std::istreambuf_iterator<char, 
std::char_traits<char> >, boost::crc_optimal<32u, 79764919u, 4294967295u, 
4294967295u, true, true> > ()
#25 0x009b5557 in lyx::support::sum ()

If memory serves me right, this function is pretty self contained. You should be
able to add a main() that just calls it with the offending file. "gcc -E" the
file to create the full source listing and you'll be able to give 'em the code
that triggers the fault.

Angus


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