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Re: Startup problem
- From: Sven Rehfuss <sven dot rehfuss at b2motion dot de>
- To: Rycerz Roman-G11565 <roman dot rycerz at motorola dot com>
- Cc: ecos-discuss at sources dot redhat dot com
- Date: Thu, 10 Jun 2004 17:23:30 +0200
- Subject: Re: [ECOS] Startup problem
- Organization: B2motion GmbH
- References: <5D454811D0A1D711A12A00065BF36FAD08B9DF2E@il06exm11>
Hi,
use a debugger and check the code. If the routines modify stack
variables before decrementing the stack pointer, it maybe is the same
problem I had.
If it is the same problem, I can give you the solution.
Regards,
Sven Rehfuß
Am Do, den 10.06.2004 schrieb Rycerz Roman-G11565 um 17:08:
> Hi
>
> I have an intermittent problem. When starting up the eCos kernel the call to "cyg_hal_invoke_constructors" sometimes fails with a segmentation violation.
> It seems to happening when the destructors are being called.
> in thread.cxx
>
> its in the routine "~cyg_thread_remove_from_list", it seem to be working it way back thru a linked list assigning
> prev = prev->list_next when it blows up prev is set to the contents of memory "0", location a null ptr problem.
>
> I know this is a quite vague description, and I may all wrong..
> But does anyone have any ideas why this is happening ???
>
> thanks
> roman
>
--
B2motion GmbH
Sven Rehfuß
Projekt/System Engineer
Otto-Lilienthal Straße 29
D-28199 Bremen
Tel.: +49 421 24111 - 22
Fax : +49 421 24111 - 99
Mobil: +49 179 7058740
Email: sven.rehfuss@b2motion.de
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