[erlang-questions] gdb questions (was Segfault in do_allocate_logger_message)
Tue Apr 24 09:33:06 CEST 2018
On 21 April 2018 at 21:51, Vince Foley <vincefoley@REDACTED> wrote:
> Side question.. I am trying to use the etp commands to print out the Erlang
> I keep getting this error:
> (gdb) etp *bp
> Cannot access memory at address 0xb974e0
> And this kind of thing:
> (gdb) etp-processes
> No processes, since system isn't initialized!
> Am I doing something wrong, or is this just not possible with my coredump?
I've found that success with gdb requires:
- An exactly matching beam. I have to keep an appropriate VM around
for debugging core dumps from production.
- An *unstripped* beam loaded into gdb. Deb packages generally have
stripped binaries, which breaks a bunch of debugging scenarios. We
build our Erlang releases with kerl; we have to keep the unstripped
More information about the erlang-questions