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To: netdev@oss.sgi.com
Subject: (no subject)
From: "santosh kumar gowda" <ipv6_san@rediffmail.com>
Date: 21 Feb 2003 11:38:54 -0000
Cc: linux-mips@linux-mips.org
Original-recipient: rfc822;linux-mips@linux-mips.org
Reply-to: "santosh kumar gowda" <ipv6_san@rediffmail.com>
Sender: linux-mips-bounce@linux-mips.org

Well, i have a Linux machine i686 and an IAD based on MIPS 32-bit arch,
both enabled with IPv6.

Linux with 2.4.18-14 based on i686 configured as...
# ip -6 addr add 3ff3:1234::1/64 dev eth0
# ip -6 route add 3ffe:1234/64 dev eth0

IAD with 2.4.5-pre1 kernel based on MIPS 32-bit core configured as...
# ip -6 addr add 3ff3:1234::2/64 dev epmac1
# ip -6 route add 3ff3:1234/64dev epmac1
--------------------------------------------------
My IAD has a Flash, where the Linux kernel and the filesystem
images are present.
Flash size = 16MB
Filesystem is jffs2
Generated partitions are...
yamon partition size:2048 Kb
kernel partition size: 1024 Kb
rw image size: 10624 Kb
env partition size:128 Kb

Total: 13824 Kb
------------------------------

These two are connected in a IPv4 based LAN.
When i try to ping6 from Linux machine to the IAD,
my IAD hangs and generates a kernel OOps message.
Below is the snap shot of the message...

Following message is produced at the IAD terminal.....

# Unable to handle kernel paging request at virtual address 00000000, epc == 802
4ce74, ra == 802592a8
Oops in fault.c:do_page_fault, line 172:
$0 : 00000000 1000fc00 8024ce70 8032bbbc
$4 : 00000000 83cbf120 00000000 83cbf17c
$8 : 00000001 0000000f 8030e000 00000003
$12: 00000416 83f69e18 00000000 8030914b
$16: fffffffd 00000000 00000018 c0026d20
$20: 81120dc0 83cbf17c 83cbf17c 00000000
$24: 00000001 2ac1d440
$28: 80106000 80107d78 83cbf120 802592a8
epc   : 8024ce74
Status: 1000fc03
Cause : 00800008
Process swapper (pid: 0, stackpage=80106000)
Stack: 00000008 00000000 83a00000 00000000 fd010018 83a11860 8031fd50 00000000 00000000 8024ca40 00000000 0000002c 8e8e1dac 00000000 fffffffd 83cbf120 00000000 83cbf17c c0026d20 00000000 00000000 00000000 800e1d38 80259b0c 83a53346 801efd1c 83a53346 839e92a0 00000000 83a118e0 83a53346 00000000 8022a1ec 80229e90 00000001 83cbf120 0000000e 8008a0e0 04000000 00000000
       801f9384 ...
Call Trace: [<8024ca40>] [<c0026d20>] [<80259b0c>] [<801efd1c>] [<8022a1ec>] [<8 0229e90>] [<801f9384>] [<8024c97c>] [<8011f6b0>] [<8011f214>] [<801f5674>] [<801 1af14>] [<8011f73c>] [<8011ad88>] [<8011aacc>] [<8011aacc>] [<801117cc>] [<80111 7cc>] [<8010a478>] [<8010dee8>] [<80107fe0>] [<80125700>] [<801117cc>] [<8010600 0>] [<80107f60>] [<8010870c>] [<801086f0>] [<80108a78>] [<80115470>] [<802bfffc>
] [<802b7d30>] [<802c0b48>] [<801005e8>]
Code: 03e00008 27bd0030 00803021 <8cc50000> 30a400e0 10800003 240300e0 1483
0034  24020001

Suggestions/Tips are welcome.

-San
-------------------------------------




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