All of lore.kernel.org
 help / color / mirror / Atom feed
From: Scott Wood <scottwood@freescale.com>
To: 郭劲 <guojin02@tsinghua.org.cn>
Cc: linuxppc-embedded@ozlabs.org
Subject: Re: Unable to handle kernel paging request for instruction fetch???
Date: Tue, 01 Apr 2008 12:09:35 -0500	[thread overview]
Message-ID: <47F26C4F.7000204@freescale.com> (raw)
In-Reply-To: <407023539.21267@tsinghua.org.cn>

郭劲 wrote:
> Hi,all,
> 
> I run the iperf tool to test the ethernet throughput for my MPC8360E board, after
> about 20 minutes, the exception is happened. Could you tell me why? 
> 
> 
> Unable to handle kernel paging request for instruction fetch
> Faulting instruction address: 0x4e800020
> Oops: Kernel access of bad area, sig: 11 [#1]
> MPC836x MDS
> Modules linked in: encoder mpc_sync k_spi(P)

Can you reproduce it with kallsyms enabled, and without the out-of-tree 
module(s)?

> NIP: 4e800020 LR: c01a08d4 CTR: 00000000

Something branched to a bad address from 0xc01a08d0.  Can you look up 
what line that is in your kernel?

-Scott

      reply	other threads:[~2008-04-01 17:09 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-04-01  4:18 Unable to handle kernel paging request for instruction fetch??? 郭劲
2008-04-01 17:09 ` Scott Wood [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=47F26C4F.7000204@freescale.com \
    --to=scottwood@freescale.com \
    --cc=guojin02@tsinghua.org.cn \
    --cc=linuxppc-embedded@ozlabs.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.