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Date: Wed, 05 Mar 2008 19:52:00 -0000
From: Andrew STUBBS <andrew.stubbs@st.com>
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To: Aleksandar Ristovski <aristovski@qnx.com>
Cc: Joel Brobecker <brobecker@adacore.com>, 	Guillaume MENANT <guillaume.menant@geensys.com>, gdb@sourceware.org
Subject: Re: Previous frame identical to this frame (corrupt stack?)
References: <15854428.post@talk.nabble.com> <20080305171516.GA3894@adacore.com> <47CED7B1.2050205@qnx.com>
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Aleksandar Ristovski wrote:
> Joel Brobecker wrote:
>>> What does it means ? What have I to look at in order to check if I 
>>> have an
>>> mistake in my program ?
>>
>> You really didn't provide much information (either GDB version,
>> platform, etc). But it could be either:
>>   - a corrupt call-stack, or maybe corrupt debugging info (frame info)
>>   - a bug in GDB
> 
> You might also be experiencing a library mismatch.

Or it might just have run out of stack frames, but has no way to tell. 
I'm not sure what the current behaviour is, but at least one past 
version of GDB gives this message in this case.