[erlang-questions] hanging nodes
Wed Aug 20 15:19:15 CEST 2014
Forgot the link to WinDbg.
On Wed, Aug 20, 2014 at 3:08 PM, Lukas Larsson <> wrote:
> Hello Vlad,
> This is most probably a windows only issue as the code in the stacktrace
> runs through a lot of windows specific code. I guess the easiest way would
> be if you are able to write a testcase that can reproduce the error so that
> I can debug it here. If that is not possible, maybe you can attach to the
> process and send me a windows "core file"?
> To do this you have to install WinDbg and then do "File->Attach to a
> Process". After this you open the WinDbg console and type ".dump /ma
> c:\beam.smp.dmp" and then upload that file on a server where I can download
> it. Also I assume you have used one of the installers on erlang.org?
> Which version of windows+Erlang/OTP are you using?
> On Wed, Aug 20, 2014 at 11:18 AM, Vlad Dumitrescu <>
>> Some details: the beam process seems to have a thread that sits and does
>> something. I don't know if the following example stack helps.
>> best regards,
>> On Wed, Aug 20, 2014 at 10:26 AM, Vlad Dumitrescu <>
>>> I have some nodes that don't want to terminate and that I can't connect
>>> to. Most of the times the nodes unregister from epmd, but even when they
>>> don't they still are inaccessible.
>>> I was hoping that by connecting to the node I can see why it is hanging,
>>> but I get the feeling that the hanging is not inside user code (because
>>> epmd detects the socket being closed, so the shutdown process is started).
>>> This is on Windows, but I have some reports for something that looks
>>> similar from Linux too.
>>> I'm not used to debugging this kind of situations, so I hope that
>>> someone has some advice for me.
>>> best regards,
>> erlang-questions mailing list
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