i386ex: hangups during initialization

[Angelo Fraietta]

I had a similar bug a while ago. I set
#define CONFIGURE_MICROSECONDS_PER_TICK 1000 /* 1 ms */
to 5000 when I ran it on the 386 machine. After the soft float problem was
fixed, I set it back to 1000, however, I was only running three tasks.

Jürgen Zeller wrote:

> hello everybody,
>
> I'm doing my first steps with RTEMS 4.5 and I have big
> problems building RTEMS for i386ex.
> During the initialization my system hangs up, so I tried to
> find out, what the reason is. I've inserted many 'printk's'
> in the rtems_executive_early function to see, how much code
> gets processed.
> But after a while I found out that the error is not constant at the
> same time or function, it depends for example how much printk's I issue!
> But in following illogical manner:
>  so more printk's I use so more code I get processed!
>
> I've checked my register settings, my linkcmds and my start.S often
> but I can't find the error.
>
> Has anybody an idea what could go wrong in my application?
> Could it be a Hardware problem?
> I use a bootloader for downloading, could this be the reason? And why?
>
> I have no experience with RTEMS and I would be obliged for every tip I
> get.
>
> RAM     0x00000000 .. 0x0003ffff
> Flash   0x00080000 .. 0x000fffff
>
> here my printk - results
>
>  rtems_initialize_executive_early: 001
>  rtems_initialize_executive_early: 002
>  rtems_initialize_executive_early: 003
>  rtems_initialize_executive_early: 003
>  rtems_initialize_executive_early: 003
>  rtems_initialize_executive_early: 003
>  rtems_initialize_executive_early: 003
>  rtems_initialize_executive_early: 003
>  rtems_initialize_executive_early: 003
>  rtems_initialize_executive_early: 003
>  rtems_initialize_executive_early: 003
>  rtems_initialize_executive_early: 003
>  rtems_initialize_executive_early: 004
>  rtems_initialize_executive_early: 005
>  rtems_initialize_executive_early: 006
>  rtems_initialize_executive_early: 007
>  rtems_initialize_executive_early: 008
>  rtems_initialize_executive_early: 009
>  rtems_initialize_executive_early: 010
>  rtems_initialize_executive_early: 011
>  rtems_initialize_executive_early: 012
>  rtems_initialize_executive_early: 013
>  rtems_initialize_executive_early: 014
> ----------------------------------------------------------
> Exception 13 caught at PC 87F66 by thread -1912602608
> ----------------------------------------------------------
> Processor execution context at time of the fault was  :
> ----------------------------------------------------------
>  EAX = B624     EBX = 46        ECX = B620      EDX = FFFFFFFF
>  ESI = 0        EDI = 200144    EBP = B5CC      ESP = B5B0
> ----------------------------------------------------------
> Error code pushed by processor itself (if not 0) = 0
> ----------------------------------------------------------
>  ************ FAULTY THREAD WILL BE DELETED **************
> ----------------------------------------------------------
> Exception 13 caught at PC 87F66 by thread -1912602608
> ----------------------------------------------------------
> Processor execution context at time of the fault was  :
> ----------------------------------------------------------
>  EAX = B624     EBX = 46        ECX = B620      EDX = FFFFFFFF
>  ESI = 0        EDI = 200144    EBP = B5CC      ESP = B5B0
> ----------------------------------------------------------
> Error code pushed by processor itself (if not 0) = 0
> ----------------------------------------------------------
>  ************ FAULTY THREAD WILL BE DELETED **************
> ----------------------------------------------------------
> Exception 13 caught at PC 87F66 by thread -1912602608
> ----------------------------------------------------------
> Processor execution context at time of the fault was  :
> ----------------------------------------------------------
>  EAX = B624     EBX = 46        ECX = B620      EDX = FFFFFFFF
>  ESI = 0        EDI = 200144    EBP = B5CC      ESP = B5B0
> ----------------------------------------------------------
> Error code pushed by processor itself (if not 0) = 0
> ----------------------------------------------------------
>  ************ FAULTY THREAD WILL BE DELETED **************
> ----------------------------------------------------------
> Exception 13 caught at PC 87F66 by thread -1912602608
> ----------------------------------------------------------
> Processor execution context at time of the fault was  :
> ----------------------------------------------------------
>  EAX = B624     EBX = 46        ECX = B620      EDX = FFFFFFFF
>  ESI = 0        EDI = 200144    EBP = B5CC      ESP = B5B0
> ----------------------------------------------------------
> Error code pushed by processor itself (if not 0) = 0
> ----------------------------------------------------------
>  ************ FAULTY THREAD WILL BE DELETED **************
> ----------------------------------------------------------
> Exception 13 caught at PC 87F66 by thread -1912602608
> ----------------------------------------------------------
> Processor execution context at time of the fault was  :
> ----------------------------------------------------------
>  EAX = B624     EBX = 46        ECX = B620      EDX = FFFFFFFF
>  ESI = 0        EDI = 200144    EBP = B5CC      ESP = B5B0
> ----------------------------------------------------------
> Error code pushed by processor itself (if not 0) = 0
> ----------------------------------------------------------
>  ************ FAULTY THREAD WILL BE DELETED **************
> ----------------------------------------------------------
>
> thanks a lot for your help!
>
> --
>  Jürgen Zeller
>  Entwicklung Software
>  TVI Lederer GmbH & Co KG
>  Industriestr. 4, 93161 Sinzing
>  Tel. 0941-3073761 - Fax 0941-3073737

--
Angelo Fraietta

PO Box 859
Hamilton NSW 2303

Home Page

http://users.hunterlink.net.au/~maaaf/

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