[erlang-questions] Re: Debugger fault at startup.

[Edmond Begumisa]

I observed haven't any problems with debugger either (R14B -- Mac OS X  
10.5.8 and Windows 7)

But I am forced to use the et_viewer in gs mode coz it hangs in wx mode on  
win7. So there might be a problem with wxErlang.

- Edmond -


On Mon, 27 Sep 2010 21:56:45 +1000, Attila Rajmund Nohl  
<attila.r.nohl@REDACTED> wrote:

> I've just tested on R14B on SuSE 10 and the wx demo works fine... My
> gut feeling is that your build was not properly built. Or you might
> have a hardware error.
>
> 2010/9/27, Michael Richter <ttmrichter@REDACTED>:
>> After reading Pascal Chapier's message, I tried something else.  From a
>> fresh, unaltered build of R14B on a pretty bog-standard Ubuntu 10.04
>> installation typing "wx:new()." in the shell generates precisely the  
>> same
>> crash message.  This leads me to believe that wx is badly broken in  
>> R14B.
>>  Trying either "wx:new()." or "debugger:start()." in R14B on a  
>> completely
>> standard Windows XP system causes the VM to crash instantly, whether  
>> run as
>> werl.exe or erl.exe.  I happen to also have R13B02 on that machine and  
>> the
>> same problem is exhibited there.
>>
>> It looks to me like wx support is really badly broken and has been for  
>> some
>> time.
>>
>> On 27 September 2010 12:22, Michael Richter <ttmrichter@REDACTED>  
>> wrote:
>>
>>> So, for the first time I find myself having to fire up the debugger in
>>> Erlang.  Following the user manual, I do this:
>>>
>>> $ erl
>>>
>>> Erlang R14B (erts-5.8.1) [source] [64-bit] [smp:2:2] [rq:2]
>>>> [async-threads:0] [hipe] [kernel-poll:true]
>>>
>>>
>>>> Eshell V5.8.1  (abort with ^G)
>>>
>>> 1> debugger:start().
>>>
>>> beam.smp: malloc.c:3096: sYSMALLOc: Assertion `(old_top == (((mbinptr)
>>>> (((char *) &((av)->bins[((1) - 1) * 2])) - __builtin_offsetof (struct
>>>> malloc_chunk, fd)))) && old_size == 0) || ((unsigned long) (old_size)  
>>>> >=
>>>> (unsigned long)((((__builtin_offsetof (struct malloc_chunk,
>>>> fd_nextsize))+((2 * (sizeof(size_t))) - 1)) & ~((2 *  
>>>> (sizeof(size_t))) -
>>>> 1))) && ((old_top)->size & 0x1) && ((unsigned long)old_end &  
>>>> pagemask) ==
>>>> 0)' failed.
>>>
>>>                                  Aborted
>>>
>>> $
>>>
>>>
>>> I don't even know where to begin here.  Is there any expert on the
>>> debugger's inner workings that knows both what that means and what can  
>>> be
>>> done about it?
>>>
>>> --
>>> "Perhaps people don't believe this, but throughout all of the  
>>> discussions
>>> of entering China our focus has really been what's best for the Chinese
>>> people. It's not been about our revenue or profit or whatnot."
>>> --Sergey Brin, demonstrating the emptiness of the "don't be evil"  
>>> mantra.
>>>
>>
>>
>>
>> --
>> "Perhaps people don't believe this, but throughout all of the  
>> discussions of
>> entering China our focus has really been what's best for the Chinese  
>> people.
>> It's not been about our revenue or profit or whatnot."
>> --Sergey Brin, demonstrating the emptiness of the "don't be evil"  
>> mantra.
>>
>
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