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Re: pgadmin3-1.6.0 - Segmentation Fault (core dumped)

From: Dave Page <dpage(at)postgresql(dot)org>
To: Dhanaraj M <Dhanaraj(dot)M(at)sun(dot)com>
Cc: pgadmin-hackers(at)postgresql(dot)org
Subject: Re: pgadmin3-1.6.0 - Segmentation Fault (core dumped)
Date: 2006-11-30 12:39:55
Message-ID: 456ED11B.5050005@postgresql.org (view raw or flat)
Thread:
Lists: pgadmin-hackers
Dhanaraj M wrote:
> 
>> I'm confused - you said this happens when you close the query window, 
>> but the stack trace shows frmQuery::OnChangeConnection(wxCommandEvent)
>>
>> >> Do you want to save-> NO
>> >> Segmentation Fault (core dumped)
>>
>> Is that the right core file? If so, can you detail the exact steps you 
>> take to get to the crash, because I can't provoke a crash even playing 
>> with the connection select dialogue (though I am running on 
>> wxGTK/Linux rather than wxGTK/Solaris).
> 
> Yes. I re-checked. I sent the right file.
> 
> STEPS: I open pgadmin. Connect to my local machine. Select the DB. Goto 
> query tool. close the tool. Pgadmin aborts.
> 
> Whenever I close the query tool,  I see the core dump. (Same problem - 
> even when I open the query tool and close or execute quries and close)
> This is there both in 1.6.0 and 1.6.1.

No, certainly can't reproduce this. I just tried installing Solaris 10 
on VMware so I could test this, but unfortunately it's having some 
serious stability issues so I'm not sure there's much debugging I can do 
easily :-(

>> One other thing - are you building with --enable-debug? That might 
>> help get more meaningful debug output.
> 
> 
> I am currently working on this. I will send them ASAP.

Thanks. I really don't understand the traces you've sent so far - they 
all include functions in dlgSelectConnection which would never be called 
following the steps you give above unless there is something *very* 
wrong with your build.

>>> 2. When I right click on a table and select view data, it aborts. The 
>>> stack trace is here.
>>
>>
>> I cannot reproduce this either. Do you have permission to view that 
>> particular table? Does it only occur with specific tables?
> 
> This behaviour is not consistent. It is not related to the table. This 
> problem may occur only certain times (not always) for the same set of 
> steps.
> This problem is only with 1.6. 1 and not in 1.6.0.
> 
> +++++++++++++++++++++++++++++++++++++++++
> -
> I noticed one more in-consistent problem in the query tool. Sometimes 
> there is no results displayed after executing the query.

Is your libpq built with --enable-thread-safety?

Regards, Dave.

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