[erlang-bugs] Segfault by purging native and reloading beam

[Richard Carlsson]

Forgot to include the crash information, but it looks like it's happening
far away from where the corruption occurred, so not that much help:

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fe8d2b33700 (LWP 18980)]
process_main () at beam/beam_emu.c:2610
2610        result = (*bf)(c_p, reg, I);

#0  process_main () at beam/beam_emu.c:2610
#1  0x00000000004a8548 in sched_thread_func (vesdp=0x7f5b3b250380)
    at beam/erl_process.c:5281
#2  0x00000000005be5d0 in thr_wrapper (vtwd=0x7fff4cdbf930)
    at pthread/ethread.c:106
#3  0x00007f5b3b8f7e9a in start_thread ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#4  0x00007f5b3b41c8bd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#5  0x0000000000000000 in ?? ()


        /Richard

On Fri, May 15, 2015 at 2:18 PM, Richard Carlsson <
carlsson.richard@REDACTED> wrote:

> This one was a bit tricky to minimize: you have to load beam code, then
> remove it fully, then load native, remove it fully again, then reload the
> beam code. Repeatable every time on plain old R15B03-1 and about one in
> three times on 18.0.  See example module.
>
>         /Richard
>
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