Thanks. If you don't need places, compiling with places disabled (i.e., `configure --disable-places') would likely work around the bug for now.
At Thu, 30 Aug 2012 16:18:15 +0200, Tobias Hammer wrote: > It uses only a single place. The system is 32bit Linux: > Linux 2.6.32.59-0.7-pae #1 SMP 2012-07-13 15:50:56 +0200 i686 i686 i386 > GNU/Linux > > Tobias > > > On Thu, 30 Aug 2012 15:17:05 +0200, Matthew Flatt <mfl...@cs.utah.edu> > wrote: > > > It looks like we still have problems with the `subprocess' > > implementation that cooperates with places. > > > > Does your program use multiple places, or just one? If it uses multiple > > places, does it use `subprocess' in multiple places? > > > > Is your platform 32-bit Linux? > > > > At Thu, 30 Aug 2012 13:38:23 +0200, Tobias Hammer wrote: > >> Hi, > >> > >> i am experiencing random crashes when using subprocess followed by a > >> subprocess-wait. My test program, that i call via subprocess is special, > >> in that it kills itself very fast with a sigkill after executing. > >> > >> Unfortunately, i wasn't able to reproduce this behavior in a small > >> sample > >> but i could record three different core dumps with full debug info > >> (attached). > >> I tested with my own build of git head and 5.3.0.21. > >> > >> All crashes/freezes are preceded by the message > >> "unexpected error from waitpid(138321448[1]): 10" > >> with a completely invalid pid argument to waitpid. The errno 10 > >> is "No child processes". > >> > >> What follows this message are random freezes (ctrl+c has no effect), > >> heap corruptions or segfaults. > >> > >> I hope the supplied information is enough to locate whatever goes wrong, > >> otherwise i can, of course send in more. > >> > >> Tobias > > > > > -- > --------------------------------------------------------- > Tobias Hammer > DLR / Institute of Robotics and Mechatronics > Muenchner Str. 20, D-82234 Wessling > Tel.: 08153/28-1487 > Mail: tobias.ham...@dlr.de _________________________ Racket Developers list: http://lists.racket-lang.org/dev
