[Lazarus] RE : Lazarus crashing reproducibly on startup (64-bitLinux)

[zeljko]

On Monday 19 of March 2012 18:34:29 Ludo Brands wrote:
> > >> I've recently switched distros to Mint Debian 12 64-bit
> > 
> > XFCE. This is
> > 
> > >> on an AMD Phenom *4, 4 GB of RAM. When I was reinstalling stuff I
> > >> noticed that the latest version of Lazarus that they have
> > 
> > in the repo
> > 
> > >> is 0.9.28, a bit old I know, but it works for what I do.
> > >> 
> > >> So I installed 0.9.28, which also brought in FPC 2.4.0-2.
> > >> 
> > >> When I try to run Lazarus from the menus, I get the splash
> > 
> > screen and
> > 
> > >> then nothing, the IDE never comes up.
> > >> 
> > >> So, I switched to a terminal, ran startlazarus and got the
> > 
> > following
> > 
> > >> output.
> > >> 
> > >> [WARNING] Out of OEM specific VK codes, changing to unassigned
> > >> [WARNING] Out of unassigned VK codes, assigning $FF
> > >> TLazarusManager.Run starting /usr/lib/lazarus/0.9.28.2/lazarus ...
> > >> Runtime error 203 at $0000000000736A16 $0000000000736A16
> > >> $0000000000720991
> > >> 
> > >> 
> > >> OK, maybe it's an old version. I downloaded the latest .DEBs from
> > >> SourceForge, and installed those. No change in the symptoms (well,
> > >> OK, I can't say the addresses were exactly the same, but the bit
> > >> about the VK codes was, and it was still a runtime error 203).
> > >> 
> > >> I cleaned out everything to do with Lazarus and FPC that I
> > 
> > could find
> > 
> > >> (using KFind to make sure I got everything) and had one
> > 
> > more try with
> > 
> > >> 0.9.28. As expected, still the same error. I know that
> > 
> > 0.9.28 used to
> > 
> > >> run on Mint 9 64-bit, but that was the Ubuntu-based
> > 
> > version, not the
> > 
> > >> Debian-based one.
> > >> 
> > >> Anyone have any ideas how to fix this, please?
> > > 
> > > Starting at a shell prompt, if you load Lazarus in gdb, run
> > 
> > it, wait
> > 
> > > for the crash and then use GDB's bt command to get a
> > 
> > backtrace, do the
> > 
> > > first few lines say anything useful?
> > 
> > Probably not, but this is what was produced using V0.9.28
> > 
> > <paste>
> > 
> > run
> > Starting program: /usr/bin/startlazarus
> > [Thread debugging using libthread_db enabled]
> > 
> > Program received signal SIGSEGV, Segmentation fault.
> > 0x00000000005a2879 in ?? ()
> > (gdb) bt
> > #0  0x00000000005a2879 in ?? ()
> > #1  0x00007fffffffe1c0 in ?? ()
> > #2  0x00007ffff7de902c in ?? () from
> > /lib64/ld-linux-x86-64.so.2 #3  0x0000000000502b31 in ?? ()
> > #4  0x00007ffff577dead in __libc_start_main () from
> > /lib/x86_64-linux-gnu/libc.so.6
> > #5  0x0000000000000000 in ?? ()
> > (gdb)
> > 
> > 
> > </paste>
> 
> There was a problem with ubuntu 12 and gtk (glib2-2.31). A patch was
> created and committed http://bugs.freepascal.org/view.php?id=21129 . If
> mint 12 is derived from ubuntu 12 you'll probably running into this
> problem. Try lazarus from svn.

That patch is backported to 0.9.30.4 too.

zeljko
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