From: Pantelis Antoniou <panto@intracom.gr>
To: Marius Groeger <mgroeger@sysgo.com>
Cc: jeffy <leo_guo@jisung.cn>,
"linuxppc-embedded@lists.linuxppc"
<linuxppc-embedded@lists.linuxppc.org>
Subject: Re: PPC Linux painic problem!
Date: Mon, 26 Apr 2004 11:25:13 +0300 [thread overview]
Message-ID: <408CC769.2050107@intracom.gr> (raw)
In-Reply-To: <Pine.LNX.4.56.0404260913440.2550@mag.sysgo.com>
Marius Groeger wrote:
>Jeffy,
>
>On Mon, 26 Apr 2004, jeffy wrote:
>
>
>>Hi all,
>> I hit on a problem about PPC Linux version 2.4.4 on a MPC855T board.
>> The kernel can start up ok normally, but when another PC
>>continous sending UDP packets to it(about 8Mbps) when kernel is
>>starting up, the kernel failed start up and printf the following
>>messages:
>>
>
>This is just a VERY wild guess: check the driver source
>(arch/ppc/8xx_io/fec.c in your case) and make sure the driver only forwards
>received packets to the IP stack when the interface is configured "UP".
>There once was a similar problem with the 826x driver.
>
>Another reason could be that the FEC channel is not properly shut down by
>the firmware/bootloader before entering the kernel.
>
>Next time try to add more information about your system, especially about
>the kernel and bootloader version you are using.
>
>Regards,
>Marius
>
>--
>Marius Groeger <mgroeger@sysgo.com> Project Manager
>SYSGO AG Embedded and Real-Time Software
>Voice: +49 6136 9948 0 FAX: +49 6136 9948 10
>www.sysgo.com | www.elinos.com | www.osek.de | www.imerva.com
>
>
>
>
>
>
If you use u-boot make sure you update to the latest version.
There was a bug with the fec not properly halting and then
crashing the kernel when network traffic was present very early.
Regards
Pantelis
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2004-04-26 8:25 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-04-26 1:28 PPC Linux painic problem! jeffy
2004-04-26 7:20 ` Marius Groeger
2004-04-26 8:25 ` Pantelis Antoniou [this message]
2004-04-26 10:45 ` Alex Zeffertt
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