Re: Crashing dlopen() on Sharp Zaurus C860

From: Basile Starynkevitch [news] (basile-news_at_starynkevitch.net)
Date: 12/07/04 

Date: Tue, 7 Dec 2004 14:44:53 +0000 (UTC)

On 2004-12-07, Dr. Nikolaus Schaller <hns@computer.org> wrote:
> Dear all,
> I have the following issue:
>
> I am using gcc 2.95.3 with Objective-C extensions to compile for the
> Sharp C860 (Linux 2.4.18 kernel and glibc 2.2.2).
>
> The code dynamically loads a lot of shared libraries through dlopen()
> but spuroiusly runs into an "Illegal Instruction".
>
> Several tests have reduced the code to a simple main() function that
> dlopens several system libraries and then three of my own shared
> libraries. The strange things are:
> * it is not repeatable. Sometimes, the Illegal Instruction comes on
> the first library. Starting again (even in a while true loop) makes
> the first and second load and it fails on the third one. In approx. 1
> out of 100 cases it loads all three. [...]

Are you sure it is not a hardware fault, e.g. some faulty RAM chips, a
bad powersupply, etc.... Have you any means to check your hardware?
Did you try on another one? Can you change the RAM?

On x86, I would have suggested to run memtest. I don't know if the
equivalent exist for your system... 

-- 
Basile STARYNKEVITCH         http://starynkevitch.net/Basile/ 
email: basile<at>starynkevitch<dot>net 
aliases: basile<at>tunes<dot>org = bstarynk<at>nerim<dot>net
8, rue de la Faïencerie, 92340 Bourg La Reine, France

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