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Mail Archives: cygwin/2007/10/15/05:20:09

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Date: Mon, 15 Oct 2007 11:19:47 +0200
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: [gdb] Data watchpoints in Windows weirdness. Call for testers.
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On Oct 14 21:12, Pedro Alves wrote:
> René Berber wrote:
>
> (...)
>
>> Program received signal SIGTRAP, Trace/breakpoint trap.
>> main () at main.c:18
>> 18	      Sleep (1000);
>> (gdb) p count
>> $3 = 1001
>> (gdb) c
>> Continuing.
>> Hardware watchpoint 2: count
>> Old value = 0
>> New value = 1002
>
> (...)
>
> Thanks!  That clearly shows the exact same problem.
> Somehow, the code in the while(1) loop starts behaving,
> and for the same executable, the symptom manifests exactly
> across machines.  If one tweaks the program a little, the
> problem shows up in different lines.
>
> Could you tell me what version of Windows was that?
>
> I'd be perfect if someone with access to a Windows != XP
> machine could do the same test.

I could reproduce it on Win2K SP4, Vista, and under WOW64 on Vista 64.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

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