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 >>>>> >> > >>>>> > >>>>> > >>>> >>>> >>> >> > _______________________________________________ pypy-dev mailing list pypy-dev@python.org https://mail.python.org/mailman/listinfo/pypy-dev
