[erlang-questions] What does 'Taints' mean in crash dump file

Sverker Eriksson <>
Tue Jan 15 14:39:01 CET 2013

The idea was a way to see all user libraries that has ever been loaded 
and executed by the VM. Currently it only shows NIF libraries, but 
driver names will hopefully be added as well in some future release.

/Sverker, Erlang/OTP Ericsson

Fred Hebert wrote:
> I don't know what the original intent of 'taints' were, but if memory
> serves me right, they're only used to annotate what NIFs were loaded
> in your code at this point in time.
> I'm not sure if the meaning is ever gonna change, but in current
> versions they will only let you know about NIFs.
> By the way, when I struggled with a few crashdump files a couple of
> months ago, I ended up writing
> https://github.com/ferd/erl_crashdump_analyzer/blob/master/erl_crashdump_analyzer.sh
> as a quick way to help me find a diagnostic on a server where there was
> no GUI or where running the server for the OTP crashdump analyzer wasn't
> an option. Maybe it can help.
> Regards,
> Fred.
> On 01/15, cao xu wrote:
>> Hi
>> 	I did't find any information about the 'Taints' from the user guide of crash dump. Could anyone explain the meaning please?
>> 	Thanks.
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