[erlang-questions] Erlang initiated kernel panic on OSX

acidbriggs@REDACTED acidbriggs@REDACTED
Tue Nov 27 15:16:06 CET 2012


Which Terminal application are you using? I have seen other references to this panic while using iTerm2 and tmux. Perhaps this problem just appears for me when using Erlang, but perhaps it's the terminal application itself. I am using iTerm2 at the moment. I haven't tried with OS X's native Terminal yet (and I am also not all that keen on trying to crash my current machine as I really don't want to corrupt HFS+). I will try this evening with a Mac that can be used for such experiments. 


On Nov 26, 2012, at 4:13 PM, Marc Worrell <marc@REDACTED> wrote:

> With me that crash was reproducible when I killed the terminal where the beam.smp was running.
> Guess a SIGHUP to beam.smp might be enough (didn't try it…)
> 
> - Marc
> 
> On 26 nov. 2012, at 21:28, acidbriggs@REDACTED wrote:
> 
>> Back in March of 2010 it was reported that it was possible to initiate a kernel panic on OS X 10.6.2 with Erlang.
>> 
>> Does anyone know if there is a fix for this? This is still happening in OS X 10.8.2 with Erlang R15B02. I've had it happen on all three of my Macs when working in Emacs and killing an Erlang shell in a buffer in a non-clean way.
>> 
>> I know that the problem was reported to Apple but we know how that is.
>> 
>> Perhaps someone has some sort of patch that can be applied to Erlang that can stop it from exploiting this flaw?  
>> 
>> Thanks for your time,
>> 
>> 
>> Briggs
>> 
>> 
>> 
>> 
>> The original thread (http://erlang.org/pipermail/erlang-questions/2010-March/050112.html) stated:
>> 
>> 
>> Greetings,
>> 
>> Using Snow Leopard 10.6.2 and Erlang R13B04 it's possible to cause a
>> kernel panic using the following steps:
>> 
>> 1. Start new terminal window
>> 2. erl +K true -s crypto
>> 3. Cmd-W (close the terminal window without stopping erlang)
>> 
>> Alternatively, if you're running SL 10.6.2 and Erlang R13B03:
>> 
>> 1. Start new terminal window
>> 2. erl +K true -s crypto
>> 3. Cmd-Q (quit the terminal app without stopping erlang)
>> 
>> This appears to work with either 32 or 64 bit builds of Erlang.
>> 
>> 
>> Thanks,
>> 
>> D.
>> 
>> 
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> 




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