#18151: Hostapd hangup with barrier breaker
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Reporter: owrtbug | Owner: developers
Type: defect | Status: new
Priority: normal | Milestone:
Component: kernel | Version: Barrier Breaker 14.07
Keywords: |
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We use D-Link DIR-825 Firmware Revision C1 with current Barrier Breaker.
Hostapd is configured for 802.1x authentication with a freeradius server.
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Sometimes, the hostaps sems to hang up an even if the authentication
itself still seems to work (client tells he is connected to the network),
DHCP and other traffic isn't passing through. Everytime this happens, the
following message is displayed in dmesg:
{{{
[28931.920000] ------------[ cut here ]------------
[28931.930000] WARNING: at /BB/build/ar71xx/generic/build_dir/target-
mips_34kc_uClibc-0.9.33.2/
linux-ar71xx_generic/compat-wireless-014-05-22/net/mac80211/iface.c:812
ieee80211_del_virtual_monitor+0x2c4/0x8b8 [mac80211]()
[28931.950000] Modules linked in: ath9k ath9k_common pppoe ppp_async
iptable_nat
ath9k_hw ath pppox ppp_generic nf_nat_ipv4 nf_conntrack_ipv4 mac80211
ipt_MASQUERADE
cfg80211 xt_time xt_tcpudp xt_state xt_nat xt_multiport xt_mark xt_mac
xt_limit
xt_id xt_conntrack xt_comment xt_TCPMSS xt_REDIRECT xt_LOG xt_CT slhc
nf_nat_irc
nf_nat_ftp nf_nat nf_defrag_ipv4 nf_conntrack_irc nf_conntrack_ftp
iptable_raw
iptable_mangle iptable_filter ipt_REJECT ip_tables crc_ccitt compat
ledtrig_usbdev
ip6t_REJECT ip6table_raw ip6table_mangle ip6table_filter ip6_tables
x_tables
nf_conntrack_ipv6 nf_conntrack nf_defrag_ipv6 ipv6 arc4 crypto_blkcipher
ehci_platform ehci_hcd gpio_button_hotplug us
bcore nls_base usb_common
[28932.010000] CPU: 0 PID: 1112 Comm: hostapd Not tainted 3.10.49 #3
[28932.020000] Stack : 00000000 00000000 00000000 00000000 803bce76
00000035 879133e8 871caa98
[28932.020000] 802f5b44 8033f9a3 00000458 803b3a00 879133e8 871caa98
871caab4 00000001
[28932.020000] 00000008 80290d44 00000003 801f39b0 871ca8a4 871caa98
802f71d4 86e939fc
[28932.020000] 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000
[28932.020000] 00000000 00000000 00000000 00000000 00000000 00000000
00000000 86e93988
[28932.020000] ...
[28932.050000] Call Trace:
[28932.060000] [<80235a38>] show_stack+0x48/0x70
[28932.060000] [<802a06ec>] warn_slowpath_common+0x78/0xa8
[28932.070000] [<802a07a4>] warn_slowpath_null+0x18/0x24
[28932.070000] [<871915b0>] ieee80211_del_virtual_monitor+0x2c4/0x8b8
[mac80
211]
[28932.080000] [<801a4730>] local_bh_enable+0x90/0xac
[28932.080000]
[28932.090000] ---[ end trace a76fafb8169f02e6 ]---
}}}
Killing and restarting the hostapd process helps when encountering this
situation. A network or router restart is not necessary. \\
\\
How can I help debug this to make the 802.1x authentication more reliable.
--
Ticket URL: <https://dev.openwrt.org/ticket/18151>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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