Hi,
i'm using OpenWRT on an ASUS WL-500gP V2 with the built-in Broadcom
BCM3302. After a few hours the b43 driver crashes with a skb_over_panic
and i need to reboot the device. The crash happend also, if there is no
traffic over the wireless interface. The wireless interface is
configured in AP mode and the encryption psk2.
The used kernel (Linux OpenWrt 2.6.30.10 #1 Tue Feb 2 01:15:42 CET 2010
mips GNU/Linux) throws the following output:
skb_over_panic: text:80c9a8e4 len:2374 put:2374 head:80e79000
data:80e79040 tail:0x80e79986 end:0x80e79980 dev:<NULL>
Kernel bug detected[#1]:
Cpu 0
$ 0 : 00000000 1000f800 00000079 00000001
$ 4 : 802880c0 0000271f ffffffff 0000271f
$ 8 : 00004000 00000000 802959b0 00000001
$12 : 0000000f 8022a1d0 ffffffff 7ffb537b
$16 : 00e79040 80e79040 00000928 80e9a9a0
$20 : 80d84c80 00000019 a0df7190 80ca1518
$24 : 00000002 80151108
$28 : 80ea0000 80ea1e60 0000001b 8018c2d4
Hi : 00000000
Lo : 00000077
epc : 8018c2d4 skb_put+0x74/0x90
Not tainted
ra : 8018c2d4 skb_put+0x74/0x90
Status: 1000f803 KERNEL EXL IE
Cause : 00800024
PrId : 00029029 (Broadcom BCM3302)
Modules linked in: pl2303 option ftdi_sio usb_storage usbserial ohci_hcd
nf_nat_
tftp nf_conntrack_tftp nf_nat_irc nf_conntrack_irc nf_nat_ftp
nf_conntrack_ftp i
pt_MASQUERADE iptable_nat nf_nat xt_NOTRACK iptable_raw xt_state
nf_conntrack_ip
v4 nf_defrag_ipv4 nf_conntrack ehci_hcd sd_mod pppoe pppox ipt_REJECT
xt_TCPMSS
ipt_LOG xt_multiport xt_mac xt_limit iptable_mangle
iptable_filter ip_tables xt_
tcpudp x_tables ext2 ext3 jbd tun ppp_async
ppp_generic slhc vfat fat b43 nls_ut
f8 nls_iso8859_15 nls_iso8859_1
nls_cp850 nls_cp437 usbcore scsi_mod nls_base ma
c80211 cfg80211
compat_firmware_class compat crc_ccitt arc4 aes_generic deflate
ecb cbc
switch_robo switch_core diag
Process compirq/5-b43 (pid: 812, threadinfo=80ea0000, task=81f19188,
tls=0000000
0)
Stack : 00000000 80c9a8e4 00000946 00000946 80e79000 80e79040 80e79986
80e79980
80266f84 80d84c80 00000019 80c9a8e4 80287b88 80286170 1000f800
ffff00fe
80ea1fe0 0000f800 80d92d2c 80284000 80ca1518 7f816db4 00010000
80c7f400
00008000 00010000 fffffffc 802c7860 00010000 fffffffe efffffff
80c87420
81f19188 80c80000 80e9ee08 8001c63c 80ea0000 80ea1f18 8021db88
00000000
...
Call Trace:
[<8018c2d4>] skb_put+0x74/0x90
[<80c9a8e4>] b43_dma_rx+0x338/0x444 [b43]
[<80c87420>] b43_controller_restart+0x7a0/0x974 [b43]
Code: afab001c 0c00268d afa20020 <0200000d> 080630b6 00000000
8fbf002c 0120
1021 03e00008
Disabling lock debugging due to kernel taint
Stefan
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