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Re: [Help-smalltalk] gst-browser startup crash

From: Holger Freyther
Subject: Re: [Help-smalltalk] gst-browser startup crash
Date: Sun, 11 Mar 2018 13:19:46 +0000

> On 11. Mar 2018, at 11:19, Andreas Rosenberg <address@hidden> wrote:
> gst-gtk is a standard shared library that can be examined with ldd. 
> ldd output shows all dependend shared libs and contains the link to 
> I did not examine the makefile for gst-gtk in detail, but I saw a reference to
> gtk2 include files, so in my understanding the reference to 
> comes
> from building gst-gtk against gtk v2 devel files. 

Good point. Let me try to refresh the memory about it and get back to that.

> I think the gnu-smalltalk package in the Fedora repo is broken anyway. On 
> another
> fresh Fedora install, I installed gnu-smalltalk and gtk2-devel and now the C 
> callout 
> error is gone, but I get this one:
> Program received signal SIGSEGV, Segmentation fault.
> 0x00007ffff7b1e5db in _gst_dictionary_add () from /lib64/
> (gdb) bt

This is might be misleading. If you built gst with the generational Garbage 
Collector then the SIGSEGV is a "barrier" and to be expected. Paolo came up 
with the idea of using "mprotect" to make pages unwritable and then handling 
SIGSEGV to know that a write (to an object in the eden) was made.

Your error might be a different. In GDB one can type something like "handle 
sigsegv ignore" and the program will continue to run until it hits the real 

> "dnf info gnu-smalltalk" reports "version 3.2.5". But I did not find this 
> version in git.
> Seems to be a "monday release" :-/

Oh? I have used it many years in production system.

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