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

brian brian at meadows.pair.com
Fri Mar 30 23:19:28 CEST 2012

Well, I've done a bunch of testing with some virtual machines, plus a 
bunch of web searches looking for other threads on this error, and it 
seems to be plain that it's a multi-way incompatibility. If you are 
running Linux Mint Debian Edition (LMDE) V12 on an AMD 64-bit CPU (and 
it doesn't matter whether you run a 32 or 64 bit version of the 
operating system) then Lazarus will crash, reproducibly, and that 
holds for any version of LAzarus between up to a fairly 
recent svn version.

If you're running on an Intel CPU, or a 32-bit AMD chip, or you're 
running the Ubuntu-based version of Mint, you won't have a problem.

This is particularly puzzling since LMDE is built on Debian testing, 
and Debian testing will run Lazarus without a problem. For that 
reason, it seems to me that it's a problem for the LMDE folks rather 
than the Lazarus developers.

Now, where did I put that Debian installation DVD?


On 03/29/2012 04:19 AM, brian wrote:
> For anyone still interested in this thread, sorry it's taking me so
> long to post again but I'm on a satellite internet connection, I only
> have unrestricted downloads between 0200 and 0700, and so it takes me
> quite a while to set up virtual machines and do the updates.
> While I've had one reply from a posting to the Mint Debian forums from
> someone who is tracking the unstable repositories and is able to run
> Lazarus without a problem, there seems to be no doubt that there is a
> basic incompatibility between Lazarus and either the stable or testing
> distros of Mint Debian. I haven't been able to get Lazarus to start on
> either distro, whether 32 bit or 64 bit, but plain Debian stable or
> testing runs Lazarus just fine.
> I'm going to try pointing at the unstable repositories now, and I'll
> post again in 3-4 days when I've had time to do the final set of
> updates and try all the different permutations.
> For the moment, I strongly advise anyone who wants to run Lazarus
> *NOT* to install Linux Mint Debian. If you want a rolling distro,
> stick with plain Debian rather than the Mint version, or try one of
> the others.
> All of the above does NOT apply to the Ubuntu-based versions of Mint.
> They run Lazarus without problems, too.
> Brian.
> On 03/18/2012 08:36 AM, 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?
>> Brian.
>> --
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