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Re: [Bug-gnubg] Cannot start.

From: Philippe Michel
Subject: Re: [Bug-gnubg] Cannot start.
Date: Fri, 2 Feb 2018 22:16:00 +0100
User-agent: Mutt/1.9.2 (2017-12-15)

On Fri, Feb 02, 2018 at 02:05:17PM +0100, Philippe Michel wrote:

> For now, the most useful information is the trace file attached to bug 
> #52825 that seems to show that the crash is in the GL initialization, 
> after loading the fonts but before loading the textures.
> A further, more accurate, report probably could be obtained by using 
> this tool: https://github.com/dtrebilco/glintercept. I checked it and 
> have a log of the expected calls sequence.

The last sentence is not entirely accurate since versions 1.05 and 1.06 
don't do the same things...

This is not necessarily the cause of the crashes, but this is 
unexpected. I don't think there is anything in the (limited) changes 
between 1.05 and 1.06 to this part of the code to deliberately do this. 
This must be a side effect of something else.

A compressed diff is attached. The interesting part starts around line 

Version 1.05 does a lot more things, but, on the other hand, the 
numerical values it passes to some glVertex4f() calls look somewhat 

Attachment: gliIntercept-diff.txt.gz
Description: application/gzip

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