https://bitbucket.org/pypy/pypy/issues/2239/segfault-in
2016-02-14 22:53 GMT-08:00 Maciej Fijalkowski <fij...@gmail.com>: > Hi Robert! > > Thanks for the work to help us reproduce it! Can you put it on the > issue tracker? I can't look right now and I'm afraid it might get lost > otherwise (an issue with a link to pypy-dev post is fine even) > > On Mon, Feb 15, 2016 at 1:02 AM, Robert Grosse <n210241048...@gmail.com> > wrote: > > I created a self contained repro script that doesn't require you to have > > Java installed or any temp directories. > > > > To run, just checkout branch pypy_bug in Krakatau > > (0d739be3707d3b3210fc1b2894a9e7b47334d215) and run > > pypy Krakatau/decompile.py -nauto -out temp -r -path > Krakatau/tests/classes/ > > Krakatau/tests/classes/ > > > > > > > > 2016-02-14 14:51 GMT-08:00 Robert Grosse <n210241048...@gmail.com>: > >> > >> I tried running pypy under gdb, and it turns out that while it crashes > at > >> a nondeterminstic point in the Python program, the segfault always > appears > >> at the same location in the pypy binary. Here's a backtrace > >> > >> #0 0x00007ffff58a91f5 in > >> pypy_g_OptRewrite_replace_guard_class_with_guard_value () from > >> /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #1 0x00007ffff58a9e8b in pypy_g_OptRewrite_optimize_GUARD_VALUE () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #2 0x00007ffff58d7e75 in pypy_g_dispatch_optimize___star_0_5 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #3 0x00007ffff58a844e in pypy_g_OptRewrite_propagate_forward () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #4 0x00007ffff5889acf in > >> pypy_g_OptIntBounds__optimize_guard_true_false_value > >> () from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #5 0x00007ffff58d8ef5 in pypy_g_dispatch_optimize___star_0_6 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #6 0x00007ffff58837d9 in pypy_g_OptIntBounds_propagate_forward () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #7 0x00007ffff58cce8e in pypy_g_UnrollOptimizer_inline_short_preamble > () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #8 0x00007ffff58ced40 in pypy_g_UnrollOptimizer_jump_to_existing_trace > () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #9 0x00007ffff58d25f9 in pypy_g_UnrollOptimizer_optimize_bridge () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #10 0x00007ffff585fc69 in pypy_g_optimize_trace () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #11 0x00007ffff5817b68 in pypy_g_compile_trace () > >> ---Type <return> to continue, or q <return> to quit--- > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #12 0x00007ffff59d15e4 in pypy_g_MetaInterp_compile_trace () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #13 0x00007ffff59a09cc in pypy_g_MetaInterp_reached_loop_header () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #14 0x00007ffff597858a in pypy_g_MIFrame_opimpl_jit_merge_point () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #15 0x00007ffff59753f6 in pypy_g_handler_jit_merge_point_1 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #16 0x00007ffff5912c7d in pypy_g_MIFrame_run_one_step () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #17 0x00007ffff5913106 in pypy_g_MetaInterp_interpret () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #18 0x00007ffff59f878e in pypy_g_MetaInterp__handle_guard_failure () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #19 0x00007ffff59ed76a in pypy_g_MetaInterp_handle_guard_failure () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #20 0x00007ffff5813805 in > >> pypy_g_AbstractResumeGuardDescr__trace_and_compile_from () from > >> /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #21 0x00007ffff5813c08 in pypy_g_AbstractResumeGuardDescr_handle_fail () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #22 0x00007ffff5aa7313 in pypy_g_execute_assembler.star_2_14 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> ---Type <return> to continue, or q <return> to quit--- > >> #23 0x00007ffff5aa7686 in pypy_g_maybe_compile_and_run.star_5_1 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #24 0x00007ffff5a4024e in > >> pypy_g_ll_portal_runner__Unsigned_Bool_pypy_interpreter () from > >> /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #25 0x00007ffff4e9d7c4 in pypy_g_execute_frame () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #26 0x00007ffff5cf7eb5 in pypy_g_execute_frame_rvmprof.star_3 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #27 0x00007ffff4eb1d2e in pypy_g_CALL_FUNCTION__AccessDirect_None () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #28 0x00007ffff4eb6ff6 in pypy_g_dispatch_bytecode__AccessDirect_None () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #29 0x00007ffff4eba679 in pypy_g_handle_bytecode__AccessDirect_None () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #30 0x00007ffff54682ce in pypy_g_portal_35 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #31 0x00007ffff5a40325 in > >> pypy_g_ll_portal_runner__Unsigned_Bool_pypy_interpreter () from > >> /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #32 0x00007ffff4e9d7c4 in pypy_g_execute_frame () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #33 0x00007ffff5cf7eb5 in pypy_g_execute_frame_rvmprof.star_3 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #34 0x00007ffff54df8be in pypy_g_CALL_METHOD__AccessDirect_star_1 () > >> ---Type <return> to continue, or q <return> to quit--- > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #35 0x00007ffff4eb7626 in pypy_g_dispatch_bytecode__AccessDirect_None () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #36 0x00007ffff4eba679 in pypy_g_handle_bytecode__AccessDirect_None () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #37 0x00007ffff54682ce in pypy_g_portal_35 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #38 0x00007ffff5a40325 in > >> pypy_g_ll_portal_runner__Unsigned_Bool_pypy_interpreter () from > >> /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #39 0x00007ffff4e9d7c4 in pypy_g_execute_frame () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #40 0x00007ffff5cf7eb5 in pypy_g_execute_frame_rvmprof.star_3 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #41 0x00007ffff54df8be in pypy_g_CALL_METHOD__AccessDirect_star_1 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #42 0x00007ffff4eb7626 in pypy_g_dispatch_bytecode__AccessDirect_None () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #43 0x00007ffff4eba679 in pypy_g_handle_bytecode__AccessDirect_None () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #44 0x00007ffff54682ce in pypy_g_portal_35 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #45 0x00007ffff5a40325 in > >> pypy_g_ll_portal_runner__Unsigned_Bool_pypy_interpreter () from > >> /home/rsg/Pypy/pypy/built/libpypy-c.so > >> ---Type <return> to continue, or q <return> to quit--- > >> #46 0x00007ffff4e9d7c4 in pypy_g_execute_frame () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #47 0x00007ffff5cf7eb5 in pypy_g_execute_frame_rvmprof.star_3 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #48 0x00007ffff54df8be in pypy_g_CALL_METHOD__AccessDirect_star_1 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #49 0x00007ffff4eb7626 in pypy_g_dispatch_bytecode__AccessDirect_None () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #50 0x00007ffff4eba679 in pypy_g_handle_bytecode__AccessDirect_None () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #51 0x00007ffff54682ce in pypy_g_portal_35 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #52 0x00007ffff5a40325 in > >> pypy_g_ll_portal_runner__Unsigned_Bool_pypy_interpreter () from > >> /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #53 0x00007ffff4e9d7c4 in pypy_g_execute_frame () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #54 0x00007ffff5cf7eb5 in pypy_g_execute_frame_rvmprof.star_3 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #55 0x00007ffff4b52ef9 in pypy_g_dispatcher_5 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #56 0x00007ffff4e7b7da in pypy_g_Function_call_obj_args () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #57 0x00007ffff56a9555 in pypy_g_W_TypeObject_descr_call () > >> ---Type <return> to continue, or q <return> to quit--- > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #58 0x00007ffff4b84547 in pypy_g.call_1 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #59 0x00007ffff4e85d21 in > >> pypy_g_BuiltinCodePassThroughArguments1_funcrun_obj > >> () from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #60 0x00007ffff4b52f19 in pypy_g_dispatcher_5 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #61 0x00007ffff4e7b7da in pypy_g_Function_call_obj_args () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #62 0x00007ffff4e5bded in pypy_g_call_valuestack__AccessDirect_None () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #63 0x00007ffff4eb1d2e in pypy_g_CALL_FUNCTION__AccessDirect_None () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #64 0x00007ffff4eb6ff6 in pypy_g_dispatch_bytecode__AccessDirect_None () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #65 0x00007ffff4eba679 in pypy_g_handle_bytecode__AccessDirect_None () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #66 0x00007ffff54682ce in pypy_g_portal_35 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #67 0x00007ffff5a40325 in > >> pypy_g_ll_portal_runner__Unsigned_Bool_pypy_interpreter () from > >> /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #68 0x00007ffff4e9d7c4 in pypy_g_execute_frame () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> ---Type <return> to continue, or q <return> to quit--- > >> #69 0x00007ffff5cf7eb5 in pypy_g_execute_frame_rvmprof.star_3 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #70 0x00007ffff54df8be in pypy_g_CALL_METHOD__AccessDirect_star_1 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #71 0x00007ffff4eb7626 in pypy_g_dispatch_bytecode__AccessDirect_None () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #72 0x00007ffff4eba679 in pypy_g_handle_bytecode__AccessDirect_None () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #73 0x00007ffff54682ce in pypy_g_portal_35 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #74 0x00007ffff5a40325 in > >> pypy_g_ll_portal_runner__Unsigned_Bool_pypy_interpreter () from > >> /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #75 0x00007ffff4e9d7c4 in pypy_g_execute_frame () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #76 0x00007ffff5cf7eb5 in pypy_g_execute_frame_rvmprof.star_3 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #77 0x00007ffff54df8be in pypy_g_CALL_METHOD__AccessDirect_star_1 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #78 0x00007ffff4eb7626 in pypy_g_dispatch_bytecode__AccessDirect_None () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #79 0x00007ffff4eba679 in pypy_g_handle_bytecode__AccessDirect_None () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #80 0x00007ffff54682ce in pypy_g_portal_35 () > >> ---Type <return> to continue, or q <return> to quit--- > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #81 0x00007ffff5a40325 in > >> pypy_g_ll_portal_runner__Unsigned_Bool_pypy_interpreter () from > >> /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #82 0x00007ffff4e9d7c4 in pypy_g_execute_frame () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #83 0x00007ffff5cf7eb5 in pypy_g_execute_frame_rvmprof.star_3 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #84 0x00007ffff4eb1d2e in pypy_g_CALL_FUNCTION__AccessDirect_None () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #85 0x00007ffff4eb6ff6 in pypy_g_dispatch_bytecode__AccessDirect_None () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #86 0x00007ffff4eba679 in pypy_g_handle_bytecode__AccessDirect_None () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #87 0x00007ffff54682ce in pypy_g_portal_35 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #88 0x00007ffff5a40325 in > >> pypy_g_ll_portal_runner__Unsigned_Bool_pypy_interpreter () from > >> /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #89 0x00007ffff4e9d7c4 in pypy_g_execute_frame () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #90 0x00007ffff5cf7eb5 in pypy_g_execute_frame_rvmprof.star_3 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #91 0x00007ffff54dfe88 in pypy_g_CALL_METHOD__AccessDirect_star_1 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> ---Type <return> to continue, or q <return> to quit--- > >> #92 0x00007ffff4eb7626 in pypy_g_dispatch_bytecode__AccessDirect_None () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #93 0x00007ffff4eba679 in pypy_g_handle_bytecode__AccessDirect_None () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #94 0x00007ffff54682ce in pypy_g_portal_35 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #95 0x00007ffff5a40325 in > >> pypy_g_ll_portal_runner__Unsigned_Bool_pypy_interpreter () from > >> /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #96 0x00007ffff4e9d7c4 in pypy_g_execute_frame () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #97 0x00007ffff5cf7eb5 in pypy_g_execute_frame_rvmprof.star_3 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #98 0x00007ffff4eb1d2e in pypy_g_CALL_FUNCTION__AccessDirect_None () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #99 0x00007ffff4eb6ff6 in pypy_g_dispatch_bytecode__AccessDirect_None () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #100 0x00007ffff4eba679 in pypy_g_handle_bytecode__AccessDirect_None () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #101 0x00007ffff54682ce in pypy_g_portal_35 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #102 0x00007ffff5a40325 in > >> pypy_g_ll_portal_runner__Unsigned_Bool_pypy_interpreter () from > >> /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #103 0x00007ffff4e9d7c4 in pypy_g_execute_frame () > >> ---Type <return> to continue, or q <return> to quit--- > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #104 0x00007ffff5cf7eb5 in pypy_g_execute_frame_rvmprof.star_3 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #105 0x00007ffff4eb020e in pypy_g_EXEC_STMT__AccessDirect_None () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #106 0x00007ffff4eb5ed6 in pypy_g_dispatch_bytecode__AccessDirect_None > () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #107 0x00007ffff4eba679 in pypy_g_handle_bytecode__AccessDirect_None () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #108 0x00007ffff54682ce in pypy_g_portal_35 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #109 0x00007ffff5a40325 in > >> pypy_g_ll_portal_runner__Unsigned_Bool_pypy_interpreter () from > >> /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #110 0x00007ffff4e9d7c4 in pypy_g_execute_frame () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #111 0x00007ffff5cf7eb5 in pypy_g_execute_frame_rvmprof.star_3 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #112 0x00007ffff4eb1973 in pypy_g_call_function__AccessDirect_None () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #113 0x00007ffff4eb73c4 in pypy_g_dispatch_bytecode__AccessDirect_None > () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #114 0x00007ffff4eba679 in pypy_g_handle_bytecode__AccessDirect_None () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> ---Type <return> to continue, or q <return> to quit--- > >> #115 0x00007ffff54682ce in pypy_g_portal_35 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #116 0x00007ffff5a40325 in > >> pypy_g_ll_portal_runner__Unsigned_Bool_pypy_interpreter () from > >> /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #117 0x00007ffff4e9d7c4 in pypy_g_execute_frame () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #118 0x00007ffff5cf7eb5 in pypy_g_execute_frame_rvmprof.star_3 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #119 0x00007ffff4eb1973 in pypy_g_call_function__AccessDirect_None () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #120 0x00007ffff4eb72a9 in pypy_g_dispatch_bytecode__AccessDirect_None > () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #121 0x00007ffff4eba679 in pypy_g_handle_bytecode__AccessDirect_None () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #122 0x00007ffff54682ce in pypy_g_portal_35 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #123 0x00007ffff5a40325 in > >> pypy_g_ll_portal_runner__Unsigned_Bool_pypy_interpreter () from > >> /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #124 0x00007ffff4e9d7c4 in pypy_g_execute_frame () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #125 0x00007ffff5cf7eb5 in pypy_g_execute_frame_rvmprof.star_3 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #126 0x00007ffff4eb1973 in pypy_g_call_function__AccessDirect_None () > >> ---Type <return> to continue, or q <return> to quit--- > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #127 0x00007ffff4eb732d in pypy_g_dispatch_bytecode__AccessDirect_None > () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #128 0x00007ffff4eba679 in pypy_g_handle_bytecode__AccessDirect_None () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #129 0x00007ffff54682ce in pypy_g_portal_35 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #130 0x00007ffff5a40325 in > >> pypy_g_ll_portal_runner__Unsigned_Bool_pypy_interpreter () from > >> /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #131 0x00007ffff4e9d7c4 in pypy_g_execute_frame () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #132 0x00007ffff5cf7eb5 in pypy_g_execute_frame_rvmprof.star_3 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #133 0x00007ffff4e45dfe in pypy_g_call_function.star_2 () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #134 0x00007ffff4d9907e in pypy_g_entry_point () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #135 0x00007ffff5e1a055 in pypy_main_function () > >> from /home/rsg/Pypy/pypy/built/libpypy-c.so > >> #136 0x00007ffff2decec5 in __libc_start_main () > >> from /lib/x86_64-linux-gnu/libc.so.6 > >> #137 0x00000000004005fe in _start () > >> > >> > >> > >> 2016-02-14 14:44 GMT-08:00 Robert Grosse <n210241048...@gmail.com>: > >>> > >>> The following steps should let you reproduce it. It segfaults for me > >>> every time. Though interestingly, the actual place it segfaults > changes from > >>> run to run. > >>> > >>> First checkout Krakatau a43b2e7e0a53bca9fe7c34d97b3b3738d662f8d5 (the > >>> latest) > >>> > >>> Then run > >>> pypy Krakatau/decompile.py -out <tempdir> -nauto -skip <path to rt.jar> > >>> > >>> where <tempdir> is any writeable directory. For example > >>> pypy Krakatau/decompile.py -out temp -nauto -skip > >>> /usr/lib/jvm/java-8-oracle/jre/lib/rt.jar > >>> > >>> > >>> Decompiling almost anything segfaults, but this is the simplest setup. > >>> Feel free to respond if you still can't reproduce it. > >>> > >>> > >>> > >>> > >>> 2016-02-09 19:19 GMT-08:00 Robert Grosse <n210241048...@gmail.com>: > >>>> > >>>> The segfaults only started last week. I suspect that one of my recent > >>>> changes triggers the segfault behavior in Pypy. Can you try with the > latest > >>>> version of Krakatau? If you still can't reproduce it, I can try to > figure > >>>> out the steps in more detail. > >>>> > >>>> > >>>> > >>>> 2016-02-09 9:33 GMT-08:00 Maciej Fijalkowski <fij...@gmail.com>: > >>>>> > >>>>> ok, I used krakatau in the past and it worked, so you need to be more > >>>>> specific. Notably give me an example program, how to run it etc. I > >>>>> need to be able to confirm your steps step by step > >>>>> > >>>>> On Tue, Feb 9, 2016 at 4:54 PM, Robert Grosse < > n210241048...@gmail.com> > >>>>> wrote: > >>>>> > Pypy segfaults every time I try to decompile an app with Krakatau. > >>>>> > The same > >>>>> > code still works on CPython (it's just a lot slower obviously). > I'll > >>>>> > try to > >>>>> > narrow down the circumstances and come up with better repro > >>>>> > instructions > >>>>> > later. > >>>>> > > >>>>> > This happened on my build from November too, so it's not a recent > >>>>> > regression. And it happened on multiple computers, although I built > >>>>> > Pypy > >>>>> > from source in both cases, so there could be something going wrong > >>>>> > there. > >>>>> > > >>>>> > 2016-02-08 0:51 GMT-08:00 Maciej Fijalkowski <fij...@gmail.com>: > >>>>> >> > >>>>> >> Hi Robert > >>>>> >> > >>>>> >> You need to explain in details what are you doing and how can we > >>>>> >> reproduce > >>>>> >> it > >>>>> >> > >>>>> >> On Sun, Feb 7, 2016 at 10:26 PM, Robert Grosse > >>>>> >> <n210241048...@gmail.com> > >>>>> >> wrote: > >>>>> >> > I updated Pypy, but I'm still getting random segfaults. Is there > >>>>> >> > any way > >>>>> >> > to > >>>>> >> > see what the problem might be? It just says segfault, so there's > >>>>> >> > no > >>>>> >> > information. Also, the same code works in CPython. > >>>>> >> > > >>>>> >> > 2016-02-07 9:05 GMT-08:00 Matti Picus <matti.pi...@gmail.com>: > >>>>> >> >> > >>>>> >> >> > >>>>> >> >> On 07/02/16 06:55, Robert Grosse wrote: > >>>>> >> >>> > >>>>> >> >>> I am trying to update Pypy. I want to build Pypy from source > >>>>> >> >>> using the > >>>>> >> >>> instructions at http://doc.pypy.org/en/latest/build.html in > >>>>> >> >>> order to > >>>>> >> >>> get the > >>>>> >> >>> latest bugfixes and improvements. > >>>>> >> >>> > >>>>> >> >>> However, all of the last 5 nightly builds shown at > >>>>> >> >>> http://buildbot.pypy.org/summary?branch=%3Ctrunk%3E failed > their > >>>>> >> >>> tests. So I > >>>>> >> >>> can't tell what a good revision to update to is. > >>>>> >> >>> > >>>>> >> >>> What is the last good revision of Pypy? > >>>>> >> >>> > >>>>> >> >> The builds have been failing "only" for vmprof tests, > everything > >>>>> >> >> else > >>>>> >> >> should work. > >>>>> >> >> Matti > >>>>> >> > > >>>>> >> > > >>>>> >> > > >>>>> >> > _______________________________________________ > >>>>> >> > pypy-dev mailing list > >>>>> >> > pypy-dev@python.org > >>>>> >> > https://mail.python.org/mailman/listinfo/pypy-dev > >>>>> >> > > >>>>> > > >>>>> > > >>>> > >>>> > >>> > >> > > >
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