[Lazarus] Lazarus crashing reproducibly on startup (64-bit Linux)

Mark Morgan Lloyd markMLl.lazarus at telemetry.co.uk
Sun Mar 18 16:45:37 CET 2012

brian 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/ ...
> 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?

Mark Morgan Lloyd
markMLl .AT. telemetry.co .DOT. uk

[Opinions above are the author's, not those of his employers or colleagues]

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