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From: Gary Thomas <gthomas@redhat.com>
To: Rene.Affourtit@pemstar.nl
Cc: ecos-discuss@sourceware.cygnus.com, aknecht@cimsi.cim.ch
Subject: RE: [ECOS] Threading on EDB7211
Date: Mon, 19 Jun 2000 04:11:00 -0000	[thread overview]
Message-ID: <XFMail.000619051125.gthomas@redhat.com> (raw)
In-Reply-To: <OF32BDA76A.33B1D1FF-ONC1256903.002493B5@pemstar.nl>

The very first thing to look at is the tools you are using to build eCos.
The sourceware 'binutils' package _was_ broken.  Any snapshots from late
May through early June will not build a running eCos on ARM platforms.

On 19-Jun-00 Rene.Affourtit@pemstar.nl wrote:
> 
> I'm using the cirrus logic edb7111-2 rev B board.
> I think my network problems are related to the timer interrupt problems,
> because what I see is
> (rougly)
> - system initializes,
> - networking interface starts the cyg_netint thread.
> - cyg_netint waits for netint_flags
> - program starts whatever threads it need's
> - one by one all threads yield (waiting for IO or somtheing like that)
> - system enters Idle thread mode and stays there
> 
>  this is a scenario which enters IdleThread mode. Basicly what happens is
> that because there are no (or very few) clock interrupts there is only
> scheduling when a thread has to wait. Once  a thread starts running that
> doesn't have to wait (e.g. IdleThread) the system stays in this thread and
> keeps on doing what it thinks is useful work.
> 
> Hope this is useful background info,
> I'm looking into today, I'll let you all know if I find something
> 
>      Rene
> 
> 
> 
>                                                                                                  
>                     Gary Thomas                                                                  
>                     <gthomas@redhat        To:     Rene.Affourtit@pemstar.nl                     
>                     .com>                  cc:     ecos-discuss@sourceware.cygnus.com, Alfredo
> Knecht           
>                     Sent by:               <aknecht@cimsi.cim.ch>                                
>                     gary@ares.chez-        Subject:     RE: [ECOS] Threading on EDB7211          
>                     thomas.org                                                                   
>                                                                                                  
>                                                                                                  
>                     06/16/00 04:03                                                               
>                     PM                                                                           
>                                                                                                  
>                                                                                                  
> 
> 
> 
> 
> On 16-Jun-00 Rene.Affourtit@pemstar.nl wrote:
>> Did anybody solve this?
>> I didn't notice this before, but in trying to get the networking code to
>> run I noticed it.
>>
> 
> I didn't hear anything back from him.  I'm not sure where to go with it
> since
> this code works on our boards.
> 
> As for your problems with networking; what platform are you trying to use?
> Can you provide details as to the problems you are experiencing?
> 
> Notice that the Cirrus Logic EDB7209 board requires a hardware modification
> for the networking to function.  See the README for details.
> 
> 

  reply	other threads:[~2000-06-19  4:11 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2000-06-19  0:04 Rene.Affourtit
2000-06-19  4:11 ` Gary Thomas [this message]
  -- strict thread matches above, loose matches on Subject: below --
2000-06-19  5:24 Rene.Affourtit
2000-06-19  4:42 Rene.Affourtit
2000-06-19  5:06 ` Gary Thomas
2000-06-19 11:55   ` Alfredo Knecht
2000-06-19 13:22     ` Gary Thomas
2000-06-16  8:29 Alfredo Knecht
     [not found] ` <XFMail.000616095000.gthomas@redhat.com>
2000-06-16 12:29   ` Alfredo Knecht
2000-06-16 13:34     ` Gary Thomas
2000-06-16  6:39 Rene.Affourtit
2000-06-16  7:03 ` Gary Thomas
2000-06-12 12:51 Alfredo Knecht
2000-06-10 19:55 Alfredo Knecht
2000-06-11  4:38 ` Gary Thomas
2000-06-12  1:19   ` Alfredo Knecht
2000-06-12  6:10     ` Gary Thomas

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