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Opened 8 years ago

Closed 7 years ago

Last modified 4 years ago

#6120 closed defect (obsolete)

kernel oops: r18184 on RouterStation (ar71xx) when upping wireless interfaces

Reported by: jeremiah.pattison@… Owned by: nbd
Priority: normal Milestone: Barrier Breaker 14.07
Component: kernel Version: Trunk
Keywords: kernel crash routerstation ifconfig crash Cc:

Description

Notes:
Have one Ubiquiti SR2 card in. This crash occurs with station, monitor, and ap mode.
Crash occurs with either madwifi or ath5k drivers. The crash occurs whether I set the channel before bringing up the device or not.

root@OpenWrt:/# wlanconfig ath0 create wlandev wifi0 wlanmode monitor
ath0
root@OpenWrt:/# iwconfig ath0
ath0 IEEE 802.11b ESSID:""
Mode:Monitor Channel:0 Access Point: Not-Associated
Bit Rate:0 kb/s Tx-Power:32 dBm
RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
Link Quality=0/70 Signal level=0 dBm Noise level=0 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0

root@OpenWrt:/# iwconfig ath0 channel 6
root@OpenWrt:/# ifconfig ath0 up
CPU 0 Unable to handle kernel paging request at virtual address 00000e80, epc == 8007477c, ra == 80071644
Oops#1:
Cpu 0
$ 0 : 00000000 00000000 ffffffe0 802d33c0
$ 4 : 00000e80 00000c20 00000e80 00000002
$ 8 : 00000010 800643e0 00000009 0000001a
$12 : 00000009 00000009 08100871 00400042
$16 : 00000e80 00000020 83350300 83bac000
$20 : 83268000 00008914 7fb9e118 7fb9e138
$24 : 00000010 833006dc
$28 : 83032000 83033cb0 00000000 80071644
Hi : 00000008
Lo : 00000073
epc : 8007477c 0x8007477c
Tainted: P
ra : 80071644 0x80071644
Status: 1000fc03 KERNEL EXL IE
Cause : 00800008
BadVA : 00000e80
PrId : 00019374 (MIPS 24Kc)
Modules linked in: sierra pl2303 option ftdi_sio usb_storage usbserial uhci_hcd ohci_hcd ath_pci ath_hal(P) nf_conntrack_netlink ebt_nflog ebt_log ebt_ip6 ebt_snat ebt_dnat ebt_arpreply ebt_ip ebt_arp ebt_redirect ebt_mark ebt_vlan ebt_stp ebt_pkttype ebt_mark_m ebt_limit ebt_among ebt_802_3 ebtable_nat ebtable_filter ebtable_broute ebtables arptable_filter arpt_mangle arp_tables nfnetlink ipt_ULOG 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 xt_esp ipt_ah 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_IMQ imq xt_string xt_layer7 xt_quota xt_pkttype xt_physdev 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 ehci_hcd sd_mod pppol2tp pppoe pppox ipt_REJECT xt_TCPMSS ipt_LOG xt_multiport xt_mac xt_limit iptable_mangle iptable_filter ip_tables xt_tcpudp x_tables sit ipip tunnel4 tun ppp_async ppp_generic slhc loop vfat fat ext4 jbd2 ext3 jbd ext2 autofs4 ssb nls_utf8 nls_iso8859_1 nls_cp437 usbcore ts_fsm ts_bm ts_kmp scsi_mod nls_base mbcache eeprom_93cx6 crc16 crc_itu_t crc_ccitt sha1_generic michael_mic des_generic arc4 aes_generic wprobe deflate ecb cbc ipv6 button_hotplug input_core leds_gpio [last unloaded: cfg80211]
Process ifconfig (pid: 1059, threadinfo=83032000, task=83816d00, tls=00000000)
Stack : 83268000 83350300 00000001 00000000 838206c0 83384040 00000000 00000001
00000000 833960b0 83bac000 83350300 83268000 83350000 83351cc4 83384150
00000001 83350300 83268000 83350000 83351cc4 00000001 83350300 83268000
83350000 83386778 00000044 8011caec 802ad4f0 00000000 83033d38 802ada7c
00000000 00000000 00000002 00000015 83350030 83350000 833bbc24 83350000
...
Call Trace:[<83384040>] 0x83384040
[<833960b0>] 0x833960b0
[<83384150>] 0x83384150
[<83386778>] 0x83386778
[<8011caec>] 0x8011caec
[<801d27b4>] 0x801d27b4
[<800a8c90>] 0x800a8c90
[<833a7390>] 0x833a7390
[<801d27b4>] 0x801d27b4
[<801ced38>] 0x801ced38
[<801d1fd0>] 0x801d1fd0
[<801d284c>] 0x801d284c
[<8021e7fc>] 0x8021e7fc
[<801d3378>] 0x801d3378
[<801c02c4>] 0x801c02c4
[<800dcd14>] 0x800dcd14
[<800dd2c4>] 0x800dd2c4
[<801c0be4>] 0x801c0be4
[<800dd370>] 0x800dd370
[<801c1ed4>] 0x801c1ed4
[<80062504>] 0x80062504

Code: 03200008 00000000 00823024 <bcd50000> 2482ffff 00451021 2403ffe0 00431024 bc550000
Segmentation fault

Attachments (0)

Change History (4)

comment:1 Changed 8 years ago by anonymous

I updated to 18327. Still crashes. Kernel now compiled with symbol table information for more information.


root@OpenWrt:/# ifconfig wlan0 up

CPU 0 Unable to handle kernel paging request at virtual address 00000b60, epc == 80074b18, ra == 800719e0
Oops#1:
Cpu 0
$ 0 : 00000000 00000000 ffffffe0 802f93c0
$ 4 : 00000b60 000009e0 00000b60 00000002
$ 8 : 00000010 800643e0 00000000 00000000
$12 : 00000000 00000000 000000c1 00000000
$16 : 00000b60 8388c000 83b9fcc0 83bb2014
$20 : 00000000 8304b9e0 00000000 83048750
$24 : 00000008 8310e614
$28 : 83bb0000 83bb1c88 83ba7944 800719e0
Hi : 00000018
Lo : 0000005a
epc : 80074b18 r4k_dma_cache_inv+0x94/0xc0
Not tainted
ra : 800719e0 dma_map_single+0x50/0x74
Status: 1000fc03 KERNEL EXL IE
Cause : 00800008
BadVA : 00000b60
PrId : 00019374 (MIPS 24Kc)
Modules linked in: fuse sierra pl2303 option ftdi_sio usb_storage usbserial uhci_hcd ohci_hcd nf_conntrack_netlink ebt_nflog ebt_log ebt_ip6 ebt_snat ebt_dnat ebt_arpreply ebt_ip ebt_arp ebt_redirect ebt_mark ebt_vlan ebt_stp ebt_pkttype ebt_mark_m ebt_limit ebt_among ebt_802_3 ebtable_nat ebtable_filter ebtable_broute ebtables arptable_filter arpt_mangle arp_tables nfnetlink ipt_ULOG 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 xt_esp ipt_ah 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_IMQ imq xt_string xt_layer7 xt_quota xt_pkttype xt_physdev 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 ehci_hcd sd_mod pppol2tp pppoe pppox ipt_REJECT xt_TCPMSS ipt_LOG xt_multiport xt_mac xt_limit iptable_mangle iptable_filter ip_tables xt_tcpudp x_tables sit ipip tunnel4 tun ppp_async ppp_generic slhc loop vfat fat ext4 jbd2 ext3 jbd ext2 autofs4 ssb ath5k ath nls_utf8 nls_iso8859_1 nls_cp437 usbcore ts_fsm ts_bm ts_kmp scsi_mod nls_base mac80211 cfg80211 mbcache eeprom_93cx6 crc16 crc_itu_t crc_ccitt sha1_generic michael_mic des_generic arc4 aes_generic wprobe deflate ecb cbc ipv6 button_hotplug input_core leds_gpio
Process ifconfig (pid: 935, threadinfo=83bb0000, task=838ad200, tls=00000000)
Stack : 00000000 00000000 83048920 8388c000 83048920 8310fd70 10000000 00000000
00000000 00001014 00000003 83bb2000 83bb2000 8388c000 83048920 8310fe34
00000000 83048920 8388c000 00001043 00000000 83bb2000 83048920 8388c000
8388c000 83110044 00000000 83048920 8388c000 831103d0 83447770 83048920
8388c000 83ba7b00 00001043 00000000 83048928 83110544 802d3810 802d3810
...
Call Trace:
[<80074b18>] r4k_dma_cache_inv+0x94/0xc0
[<800719e0>] dma_map_single+0x50/0x74
[<8310fd70>] cleanup_module+0x1998/0x4510 [ath5k]
[<8310fe34>] cleanup_module+0x1a5c/0x4510 [ath5k]
[<83110044>] cleanup_module+0x1c6c/0x4510 [ath5k]


Code: 03200008 00000000 00823024 <bcd50000> 2482ffff 00451021 2403ffe0 00431024 bc550000
Disabling lock debugging due to kernel taint
Kernel panic - not syncing: Fatal exception in interrupt
Rebooting in 3 seconds..+

comment:2 Changed 8 years ago by thepeople

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

comment:3 Changed 7 years ago by nbd

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

Looks like an old bug that was fixed a long time ago

comment:4 Changed 4 years ago by jow

  • Milestone changed from Attitude Adjustment 12.09 to Barrier Breaker 14.07

Milestone Attitude Adjustment 12.09 deleted

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