On Sat, May 06, 2017 at 05:18:42PM +0200, Juergen Sauermann wrote: > thanks. Unfortunately I cannot reproduce this problem on my box: [...] > However, I may have located and fixed it in SVN 942.
I'm still seeing it in 944. I'll try to find the cause myself, then. The backtrace from gdb looks like this: Program received signal SIGABRT, Aborted. __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51 51 ../sysdeps/unix/sysv/linux/raise.c: No such file or directory. (gdb) bt #0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51 #1 0x00007ff863b813fa in __GI_abort () at abort.c:89 #2 0x00007ff863bbdbd0 in __libc_message (do_abort=do_abort@entry=2, fmt=fmt@entry=0x7ff863cb2bd0 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/posix/libc_fatal.c:175 #3 0x00007ff863bc3f96 in malloc_printerr (action=3, str=0x7ff863cb2d28 "double free or corruption (fasttop)", ptr=<optimized out>, ar_ptr=<optimized out>) at malloc.c:5046 #4 0x00007ff863bc478e in _int_free (av=0x7ff863ee5b00 <main_arena>, p=0x555941479040, have_lock=0) at malloc.c:3902 #5 0x000055593f67c7f7 in Simple_string<unsigned char, false>::deallocate (this=0x555941477eb0) at Simple_string.hh:258 #6 Simple_string<unsigned char, false>::operator= (other=..., this=0x555941477eb0) at Simple_string.hh:104 #7 UTF8_string::operator= (this=0x555941477eb0) at UTF8_string.hh:40 #8 InputFile::operator= (this=0x555941477ea8) at InputFile.hh:30 #9 Simple_string<InputFile, false>::insert_before (t=..., pos=0, this=<optimized out>) at Simple_string.hh:156 #10 Workspace::load_DUMP (out=..., filename=..., fd=<optimized out>, with_LX=with_LX@entry=no_LX, silent=silent@entry=false, object_filter=object_filter@entry=0x7ffeb1b9f6c0) at Workspace.cc:710 #11 0x000055593f67d9ac in Workspace::copy_WS (out=..., libref=libref@entry=LIB0, wsname=..., lib_ws_objects=..., protection=protection@entry=false) at Workspace.cc:997 #12 0x000055593f547e34 in Command::cmd_COPY (out=..., args=..., protection=protection@entry=false) at Command.cc:676 #13 0x000055593f555835 in Command::do_APL_command (out=..., line=...) at Command.def:27 #14 0x000055593f5569fc in Command::process_line (line=...) at Command.cc:76 #15 0x000055593f556aff in Command::process_line () at Command.cc:64 #16 0x000055593f67537d in Workspace::immediate_execution (exit_on_error=false) at Workspace.cc:178 #17 0x000055593f50d0d5 in main (argc=<optimized out>, argv=<optimized out>) at main.cc:479 (gdb) -k
