From: Domen Puncer <domen.puncer@telargo•com>
To: linuxppc-embedded@ozlabs•org
Subject: Re: Howto read I2C on MPC5200 Lite
Date: Wed, 4 Apr 2007 10:49:50 +0200 [thread overview]
Message-ID: <20070404084950.GF18236@moe.telargo.com> (raw)
In-Reply-To: <20070321083410.GA67297@server.idefix.lan>
On 21/03/07 09:34 +0100, Matthias Fechner wrote:
> Hi,
>
> * Matthias Fechner <idefix@fechner•net> [17-03-07 09:57]:
> > ok, I can confirm that this patch fixes the problem for me too.
> > I was now able to read my I2C sensor 97388 successfully and only 2814
> > readfailures happened.
> > That means an errorrate of 2.8% that is ok for me.
>
> I found now when it happens or better when it not happens.
>
> I boot my icecube board via NFS. If the board is up and I unplug the
> network I get no read errors.
> If the network is connected (NFS server responding) I got read errors
> on I2C with a rate of approximatly 3-4%.
> Seems to be a problem with the network driver.
I can't reproduce your no-errors behaviour. I tried unplugging network
cable and compiling out the fec driver.
Domen
next prev parent reply other threads:[~2007-04-04 8:49 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-07 12:24 Howto read I2C on MPC5200 Lite Matthias Fechner
2007-03-07 21:17 ` John Rigby
2007-03-09 11:35 ` Matthias Fechner
2007-03-09 17:11 ` John Rigby
2007-03-09 23:42 ` Matthias Fechner
2007-03-10 2:18 ` where and how to get the latest 2.6 kernel Nick Droogh
2007-03-11 1:01 ` Matthias Fechner
2007-03-11 0:55 ` Howto read I2C on MPC5200 Lite Matthias Fechner
2007-03-15 9:57 ` Domen Puncer
2007-03-16 4:33 ` Matthias Fechner
2007-03-17 8:57 ` Matthias Fechner
2007-03-18 19:06 ` Charles Krinke
2007-03-18 19:11 ` gdb question regarding step vs breakpoint Charles Krinke
2007-03-18 23:28 ` Matthias Fechner
2007-03-19 0:14 ` Howto read I2C on MPC5200 Lite Wolfgang Denk
2007-03-19 1:11 ` A question regarding step and breakpoints Charles Krinke
2007-03-21 8:34 ` Howto read I2C on MPC5200 Lite Matthias Fechner
2007-04-04 8:49 ` Domen Puncer [this message]
2007-04-25 18:48 ` Matthias Fechner
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