#6754: Can crash wan port (eth1) with ping flood (Atheros AG71xx)
---------------------------------------------+-----------------------------
Reporter: monte <peabody.bb4wtmzci8qj@…> | Owner: juhosg
Type: defect | Status: reopened
Priority: normal | Milestone: Barrier Breaker
Component: kernel | 14.07
Resolution: | Version: Trunk
| Keywords:
---------------------------------------------+-----------------------------
Comment (by poiuty):
TL-WR841N
[954587.010000] ------------[ cut here ]------------
[954587.010000] WARNING: at net/sched/sch_generic.c:255
dev_watchdog+0x1e8/0x26c()
[954587.020000] NETDEV WATCHDOG: eth0 (ag71xx): transmit queue 0 timed out
[954587.020000] 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
ip6t_REJECT ip6table_raw ip6table_mangle ip6table_filter ip6_tables
x_tables nf_conntrack_ipv6 nf_conntrack nf_defrag_ipv6 ipv6 arc4
crypto_blkcipher gpio_button_hotplug
[954587.080000] CPU: 0 PID: 0 Comm: swapper Not tainted 3.10.49 #3
[954587.090000] Stack : 00000000 00000000 00000000 00000000 803bce76
00000032 8033f578 0000005d
[954587.090000] 802f5b44 8033f9a3 00000000 803b3a00 8033f578
0000005d 803bc7c8 00000001
[954587.090000] 00000004 80290d44 00000003 801f39b0 8030e8c8
0000005d 802f71d4 8032fc74
[954587.090000] 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000
[954587.090000] 00000000 00000000 00000000 00000000 00000000
00000000 00000000 8032fc00
[954587.090000] ...
[954587.130000] Call Trace:
[954587.130000] [<80235a38>] show_stack+0x48/0x70
[954587.130000] [<802a06ec>] warn_slowpath_common+0x78/0xa8
[954587.140000] [<802a0748>] warn_slowpath_fmt+0x2c/0x38
[954587.140000] [<80109cf0>] dev_watchdog+0x1e8/0x26c
[954587.150000] [<800e9698>] call_timer_fn.isra.38+0x24/0x84
[954587.150000] [<8021e4b0>] run_timer_softirq+0x17c/0x1bc
[954587.160000] [<8008f698>] __do_softirq+0xd0/0x1bc
[954587.160000] [<8011f8bc>] do_softirq+0x48/0x68
[954587.170000] [<8017ee00>] irq_exit+0x54/0x70
[954587.170000] [<80060830>] ret_from_irq+0x0/0x4
[954587.180000] [<8020401c>] r4k_wait_irqoff+0x18/0x1c
[954587.180000] [<800f96c4>] cpu_startup_entry+0xa4/0x104
[954587.190000] [<8034c918>] start_kernel+0x394/0x3ac
[954587.190000]
[954587.200000] ---[ end trace f1c97ba515a67b12 ]---
[954587.200000] eth0: tx timeout
[954587.210000] eth0: link down
[954588.840000] eth0: link up (100Mbps/Full duplex)
[954594.020000] eth0: tx timeout
[954594.020000] eth0: link down
[954594.840000] eth0: link up (100Mbps/Full duplex)
[954600.020000] eth0: tx timeout
[954600.020000] eth0: link down
[954600.840000] eth0: link up (100Mbps/Full duplex)
[954606.020000] eth0: tx timeout
[954606.020000] eth0: link down
[954606.840000] eth0: link up (100Mbps/Full duplex)
[954612.020000] eth0: tx timeout
[954612.020000] eth0: link down
[954612.840000] eth0: link up (100Mbps/Full duplex)
--
Ticket URL: <https://dev.openwrt.org/ticket/6754#comment:40>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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