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Subject: Re: Application not working in 64-bit cygwin cygwin/X
To: cygwin AT cygwin DOT com
References: <CAGX=k3HSzHeuynJeFy09e63p0hm6FoO5Ssa+s_mi-aHxV+zcoA AT mail DOT gmail DOT com> <56E19B82 DOT 8050404 AT gmail DOT com>
From: Jon Turney <jon DOT turney AT dronecode DOT org DOT uk>
Reply-To: cygwin AT cygwin DOT com
Cc: "girish53 AT gmail DOT com >> Girish Joglekar" <girish53 AT gmail DOT com>
Message-ID: <56E1A93C.1040304@dronecode.org.uk>
Date: Thu, 10 Mar 2016 17:05:00 +0000
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On 10/03/2016 16:06, Marco Atzeri wrote:
> On 10/03/2016 16:58, Girish Joglekar wrote:
>> My application runs on cygwin, cygwin/X 32-bit but does not run on
>> 64-bit on Windows 10. The dump from segmentation faults says:
>>
>> Exception: STATUS_ACCESS_VIOLATION at rip=003F9919D22
>> rax=0000000000000001 rbx=0000000600277300 rcx=0000000000275620
>> rdx=0000000000000000 rsi=0000000000000000 rdi=0000000000275620
>> r8 =0000000000000000 r9 =0000000000000000 r10=0000000100000000
>> r11=00000003F9CF12AB r12=00000000FFFFB200 r13=0000000000000000
>> r14=0000000600277710 r15=0000000000000000
>> rbp=0000000600277300 rsp=00000000FFFFA410
>> program=C:\BPTECH\batches\versn7_2\execs\BATCHES.x, pid 7396, thread main
>> cs=0033 ds=002B es=002B fs=0053 gs=002B ss=002B
>>
>> Cygwin FAQ says that this could be due to two different versions of
>> cygwin1.dll. However there is only one copy on my machine.
>>
>> Please advise. I had posted a test problem on Feb 23. I do not know if
>> you were able to reproduce the behavior. I am completely stuck at this
>> point and cannot move forward. Any suggestions are welcome.
>> Girish
>>
>
> The test case you provided was too large and have too many
> compilation warnings.
>
> If you eliminate all the compilation warning and than still crash,
> may be someone will look on it.
See also https://cygwin.com/faq.html#faq.programming.64bitporting

Using int, long and pointers interchangeably will not work well with 
libXt on any 64-bit OS.


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