Opened 7 years ago

Closed 7 years ago

#7308 closed defect (no_response)

b43 kernel panic after enabling wifi

Reported by: David Kowis <dkowis@…> Owned by: hauke
Priority: response-needed Milestone: Backfire 10.03.1
Component: kernel Version: Backfire 10.03
Keywords: wifi, b43, panic Cc:


Turned on the wifi for the first time and caught a kernel panic off the serial port.
I have a WRT54G-TM

b44: eth0: powering down PHY
Unhandled kernel unaligned access[#1]:
Cpu 0
$ 0   : 00000000 00000000 80e13b40 fffffffd
$ 4   : 00000000 b3b43748 088000b5 00000000
$ 8   : 80e13b40 00010000 00000000 00000000
$12   : 00000000 00000000 00000080 00000000
$16   : 80864000 014ab288 8086405c 80290000
$20   : 802cb880 8086404c 802df638 00000000
$24   : 00000000 801adfd8                  
$28   : 806be000 806bfa78 81de6400 801c3d0c
Hi    : 00000001
Lo    : 55555556
epc   : 801c3d1c 0x801c3d1c
    Not tainted
ra    : 801c3d0c 0x801c3d0c
Status: 1000b803    KERNEL EXL IE 
Cause : 00800010
BadVA : 088000b5
PrId  : 00029008 (Broadcom BCM3302)
Modules linked in: ip6t_REJECT ip6t_LOG ip6t_rt ip6t_hbh ip6t_mh ip6t_ipv6header ip6t_frag ip6t_eui64 ip6t_ah ip6table_raw ip6_queue ip6table_mangle ip6table_filter ip6_tables nf_conntrack_ipv6 xt_TARPIT ipt_SET ipt_set ip_set_setlist ip_set_portmap ip_set_nethash ip_set_macipmap ip_set_iptreemap ip_set_iptree ip_set_ipportnethash ip_set_ipportiphash ip_set_ipporthash ip_set_ipmap ip_set_iphash ip_set xt_ipp2p xt_condition ip_queue nf_nat_snmp_basic nf_nat_sip nf_conntrack_sip nf_nat_rtsp nf_conntrack_rtsp nf_nat_pptp nf_conntrack_pptp nf_nat_h323 nf_conntrack_h323 nf_nat_proto_gre nf_conntrack_proto_gre nf_nat_amanda nf_conntrack_amanda nf_nat_tftp nf_conntrack_tftp nf_nat_irc nf_conntrack_irc nf_nat_ftp nf_conntrack_ftp cls_fw cls_u32 sch_sfq act_police sch_prio sch_htb sch_ingress xt_iprange xt_HL xt_hl xt_MARK ipt_ECN xt_CLASSIFY xt_time xt_tcpmss xt_statistic xt_mark xt_length ipt_ecn xt_DSCP xt_dscp xt_quota xt_pkttype xt_owner compat_xtables ipt_REDIRECT ipt_NETMAP ipt_MASQUERADE iptable_nat nf_nat xt
_CONNMARK xt_recent xt_helper xt_conntrack xt_connmark xt_connbytes xt_NOTRACK iptable_raw xt_state nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack ipt_REJECT xt_TCPMSS ipt_LOG xt_comment xt_multiport xt_mac xt_limit iptable_mangle iptable_filter ip_tables xt_tcpudp x_tables sit tunnel4 tun b43legacy b43 mac80211 ts_fsm ts_bm ts_kmp crc_ccitt cfg80211 compat_firmware_class compat arc4 aes_generic deflate ecb cbc ipv6 switch_robo switch_core diag
Process irq/5-b43 (pid: 18425, threadinfo=806be000, task=81c6c610, tls=00000000)
Stack : 80e13b40 80241768 801e21ec 80000000 802dfb30 80864000 81df1100 80864000
        00000000 80e13b40 81de0400 801ae450 81efdac0 00000001 0000000e 801b585c
        81de0400 801dd908 80000000 80f9e454 80e13b40 80e7d3c0 81efdac0 00000001
        80e13bf8 801dbc78 81de6400 801dbfbc 13e9908c 8004d348 81efd800 00000007
        00000000 801db79c 80000000 80e13b40 00000000 80e7d3c0 81efdac0 00000001
Call Trace:[<80241768>] 0x80241768
[<801e21ec>] 0x801e21ec
[<801ae450>] 0x801ae450
[<801b585c>] 0x801b585c
[<801dd908>] 0x801dd908
[<801dbc78>] 0x801dbc78
[<801dbfbc>] 0x801dbfbc
[<8004d348>] 0x8004d348
[<801db79c>] 0x801db79c
[<8023ad58>] 0x8023ad58
[<8023aff4>] 0x8023aff4
[<801acaf0>] 0x801acaf0
[<801ad524>] 0x801ad524
[<801ace68>] 0x801ace68
[<801ad634>] 0x801ad634
[<8002b330>] 0x8002b330
[<8005a7d8>] 0x8005a7d8
[<8002b448>] 0x8002b448
[<8000e150>] 0x8000e150
[<8002b448>] 0x8002b448
[<80001444>] 0x80001444
[<8000e0b4>] 0x8000e0b4
[<802a0000>] 0x802a0000
[<8018f02c>] 0x8018f02c
[<80d0046c>] 0x80d0046c
[<8018efcc>] 0x8018efcc
[<80d15adc>] 0x80d15adc
[<80001444>] 0x80001444
[<80d1a5e4>] 0x80d1a5e4
[<80d315a8>] 0x80d315a8
[<80d07280>] 0x80d07280
[<8001de84>] 0x8001de84
[<8001cdb8>] 0x8001cdb8
[<80d073d8>] 0x80d073d8
[<80056848>] 0x80056848
[<8000af2c>] 0x8000af2c
[<800566cc>] 0x800566cc
[<800566cc>] 0x800566cc
[<8003d188>] 0x8003d188
[<8000f7e4>] 0x8000f7e4
[<8003d10c>] 0x8003d10c
[<8000f7d4>] 0x8000f7d4
Code: 00404021  8e060040  95070088 <8cc60000> 00071140  8cc30198  00073880  00e23821  00673821 
Disabling lock debugging due to kernel taint
Kernel panic - not syncing: Fatal exception in interrupt

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Change History (3)

comment:1 Changed 7 years ago by hauke

  • Owner changed from developers to hauke
  • Status changed from new to assigned

Please rebuilt the image with symbol table information and repost the error message with complete dmsg output.

comment:2 Changed 7 years ago by nico

  • Priority changed from high to response-needed

comment:3 Changed 7 years ago by hauke

  • Resolution set to no_response
  • Status changed from assigned to closed

Closed because of no response, please reopen the ticket when this problem still occurs in more recent versions.

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