Can you reproduce it if you run julia with the --check-bounds=yes command line argument?
On Monday, February 1, 2016 at 1:55:25 PM UTC-5, Madeleine Udell wrote: > > This is on a mac; we've got a variety of function calls giving errors, > some with probability ~.5 and some every time we've run them. > > On Mon, Feb 1, 2016 at 10:51 AM, Yichao Yu <yyc...@gmail.com <javascript:> > > wrote: > >> On Mon, Feb 1, 2016 at 1:39 PM, Madeleine Udell >> <madelei...@gmail.com <javascript:>> wrote: >> > Hi all, >> > >> > I'm running into some memory management issues: in particular, a malloc >> > error that claims I am modifying an object after freeing it: see this >> > question. The error is, >> > >> > julia(9849,0x7fff705d0300) malloc: *** error for object 0x7f96a332f408: >> > incorrect checksum for freed object - object was probably modified after >> > being freed. *** set a breakpoint in malloc_error_break to debug >> > >> > I'm not sure how to debug it: what's the best way to search for code >> that >> > might be modifying an object after freeing it in Julia? (For example, I >> > don't know what or where malloc_error_break is.) >> >> Which platform is this and how repeatable is it? >> >> > >> > Thanks! >> > Madeleine >> > > > > -- > Madeleine Udell > Postdoctoral Fellow at the Center for the Mathematics of Information > California Institute of Technology > *https://courses2.cit.cornell.edu/mru8 > <https://courses2.cit.cornell.edu/mru8>* > (415) 729-4115 >
