#18616: NETDEV WATCHDOG: eth0 (ag71xx): transmit queue 0 timed out
------------------------+--------------------------------
  Reporter:  openwrt@…  |      Owner:  developers
      Type:  defect     |     Status:  reopened
  Priority:  normal     |  Milestone:  Chaos Calmer 15.05
 Component:  kernel     |    Version:  Trunk
Resolution:             |   Keywords:
------------------------+--------------------------------

Comment (by ufo@…):

 with lede r913 (also kernel 4.4.14) on a tplink 841 i also had that
 problem. reboot wasnt solving that problem, but on the next day the device
 was working properly

 [ 43.060948] ------------[ cut here ]------------
 [ 43.065773] WARNING: CPU: 0 PID: 0 at net/sched/sch_generic.c:306
 dev_watchdog+0x1dc/0x260()
 [ 43.074503] NETDEV WATCHDOG: eth0 (ag71xx): transmit queue 0 timed out
 [ 43.081245] Modules linked in: iptable_nat ip6table_nat ath9k nf_nat_ipv6
 nf_nat_ipv4 nf_conntrack_ipv6 nf_conntrack_ipv4 ipt_REJECT ipt_MASQUERADE
 ath9k_common 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
 nf_reject_ipv4 nf_nat_redirect nf_nat_masquerade_ipv4 nf_log_ipv4
 nf_defrag_ipv6 nf_defrag_ipv4 nf_conntrack_rtcache mac80211 iptable_raw
 iptable_mangle iptable_filter ip_tables ath9k_hw ath batman_adv libcrc32c
 cfg80211 compat ip6t_NPT ip6t_MASQUERADE nf_nat_masquerade_ipv6 nf_nat
 nf_conntrack ip6t_REJECT nf_reject_ipv6 nf_log_ipv6 nf_log_common
 ip6table_raw ip6table_mangle ip6table_filter ip6_tables x_tables
 gpio_button_hotplug crc16 crc32c_generic crypto_hash
 [ 43.150705] CPU: 0 PID: 0 Comm: swapper Not tainted 4.4.14 #3
 [ 43.156644] Stack : 803e06c4 00000000 00000001 80430000 8042b2d8 8042af63
 803c1db4 00000000
 [ 43.156644] 80493790 804295dc 00000200 00100000 00000100 800a6834
 803c73f0 80420000
 [ 43.156644] 00000003 804295dc 803c57fc 80425c2c 00000100 800a4800
 00000006 00000000
 [ 43.156644] 00000000 801f5300 00000000 00000000 00000000 00000000
 00000000 00000000
 [ 43.156644] 00000000 00000000 00000000 00000000 00000000 00000000
 00000000 00000000
 [ 43.156644] ...
 [ 43.193676] Call Trace:
 [ 43.196219] [<80071a24>] show_stack+0x50/0x84
 [ 43.200735] [<80081628>] warn_slowpath_common+0xa0/0xd0
 [ 43.206148] [<80081684>] warn_slowpath_fmt+0x2c/0x38
 [ 43.211288] [<8028b884>] dev_watchdog+0x1dc/0x260
 [ 43.216172] [<800af948>] call_timer_fn.isra.5+0x24/0x80
 [ 43.221585] [<800afbc4>] run_timer_softirq+0x1ac/0x1f4
 [ 43.226903] [<80083a84>] __do_softirq+0x164/0x290
 [ 43.231792] [<8006a678>] plat_irq_dispatch+0xbc/0xf4
 [ 43.236917]
 [ 43.238460] ---[ end trace f8acfde64a765533 ]---
 [ 43.243236] eth0: tx timeout

 https://plan.leipzig.freifunk.net/issues/311

--
Ticket URL: <https://dev.openwrt.org/ticket/18616#comment:15>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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