kernel crashes inside MV643xx driver

[gshan <gshan@alcatel-lucent.com>]

Hi All,

After I started the NFS server, it crashed:

<3>Badness in local_bh_enable at 
/home/cli4/sandbox/main/TelicaRoot/components/mvlinux/cge/devkit/lsp/7xx/linux/kernel/softirq.c:195
Badness in local_bh_enable at 
/home/cli4/sandbox/main/TelicaRoot/components/mvlinux/cge/devkit/lsp/7xx/linux/kernel/softirq.c:195
Call trace:
[c0005340] check_bug_trap+0xbc/0x11c
[c0005604] ProgramCheckException+0x264/0x2bc
[c0004ac4] ret_from_except_full+0x0/0x4c
[c0022ae4] local_bh_enable+0x18/0x80
[c024648c] skb_copy_bits+0x168/0x3b8
[c024db44] __skb_linearize+0x90/0x150
[c020e8a4] mv643xx_eth_start_xmit+0x4c0/0x5bc
[c025c934] qdisc_restart+0xac/0x2bc
[c024de9c] dev_queue_xmit+0x298/0x34c
[c0269814] ip_finish_output+0x140/0x2b8
[c026a3ac] ip_fragment+0x3cc/0x6e0
[c026bac8] ip_push_pending_frames+0x3dc/0x46c
[c0289ec4] udp_push_pending_frames+0x10c/0x1cc
[c028a7c4] udp_sendpage+0x104/0x188
[c0292fc8] inet_sendpage+0x90/0xb8

I searched the webs and found the similar problems:
http://www.mail-archive.com/netdev@vger.kernel.org/msg05199.html
http://oss.sgi.com/archives/netdev/2005-09/msg00025.html

Who knew there are fixes for the problem?

Thanks,
Gavin
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