#22225: DIR-860L 5GHz Not working
----------------------------+------------------------
Reporter: dazzaling69@… | Owner: developers
Type: defect | Status: new
Priority: normal | Milestone:
Component: packages | Version: Trunk
Resolution: | Keywords:
----------------------------+------------------------
Comment (by karesch@…):
I had similar issues on r49221. Router seems to be working fine, but under
heavy load on radio0 (ac) a strange thing happens, you see the following
in the log (see below 2 separate examples) and radio0 gets significantly
slower, but otherwise the router works normally.
1st log:
Thu Apr 28 13:25:38 2016 kern.warn kernel: [ 1205.510000] ------------[
cut here ]------------
Thu Apr 28 13:25:38 2016 kern.warn kernel: [ 1205.520000] WARNING: CPU: 1
PID: 0 at net/core/skbuff.c:4194 skb_try_coalesce+0x224/0x364()
Thu Apr 28 13:25:38 2016 kern.warn kernel: [ 1205.530000] Modules linked
in: pppoe ppp_async iptable_nat pppox ppp_generic nf_nat_ipv4
nf_conntrack_ipv6 nf_conntrack_ipv4 ipt_REJECT ipt_MASQUERADE xt_time
xt_tcpudp xt_tcpmss xt_statistic xt_state xt_recent xt_nat xt_multiport
xt_mark xt_mac xt_limit xt_length xt_id xt_hl xt_helper xt_ecn xt_dscp
xt_conntrack xt_connmark xt_connlimit xt_connbytes xt_comment xt_TCPMSS
xt_REDIRECT xt_LOG xt_HL xt_DSCP xt_CT xt_CLASSIFY slhc nf_reject_ipv4
nf_nat_redirect nf_nThu Apr 28 13:25:38 2016 kern.warn kernel: [
1205.750000] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.4.7 #1
Thu Apr 28 13:25:38 2016 kern.warn kernel: [ 1205.760000] Stack : 00000000
00000000 804d6842 00000032 00000000 00000000 80480000 804f0000
Thu Apr 28 13:25:38 2016 kern.warn kernel: [ 1205.760000] 8783b420
80479e83 803f4f20 00000001 00000000 804d365c 80490000 8050ae20
Thu Apr 28 13:25:38 2016 kern.warn kernel: [ 1205.760000] 80476880
80063244 80480000 804f0000 8047e338 8047e33c 803f9804 878619d4
Thu Apr 28 13:25:38 2016 kern.warn kernel: [ 1205.760000] 00000003
80060fcc 80490000 8050ae20 80476880 00000000 00000000 008619d4
Thu Apr 28 13:25:38 2016 kern.warn kernel: [ 1205.760000] 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000
Thu Apr 28 13:25:38 2016 kern.warn kernel: [ 1205.760000] ...
Thu Apr 28 13:25:38 2016 kern.warn kernel: [ 1205.830000] Call Trace:
Thu Apr 28 13:25:38 2016 kern.warn kernel: [ 1205.840000] [<80016728>]
show_stack+0x50/0x84
Thu Apr 28 13:25:38 2016 kern.warn kernel: [ 1205.850000] [<801b0b50>]
dump_stack+0x84/0xbc
Thu Apr 28 13:25:38 2016 kern.warn kernel: [ 1205.850000] [<8002bb3c>]
warn_slowpath_common+0xa0/0xd0
Thu Apr 28 13:25:38 2016 kern.warn kernel: [ 1205.860000] [<8002bbf0>]
warn_slowpath_null+0x18/0x24
Thu Apr 28 13:25:38 2016 kern.warn kernel: [ 1205.870000] [<8028a568>]
skb_try_coalesce+0x224/0x364
Thu Apr 28 13:25:38 2016 kern.warn kernel: [ 1205.890000] [<802e72c0>]
tcp_try_coalesce+0x4c/0xd0
Thu Apr 28 13:25:38 2016 kern.warn kernel: [ 1205.890000] [<802e73a8>]
tcp_queue_rcv+0x64/0x128
Thu Apr 28 13:25:38 2016 kern.warn kernel: [ 1205.900000] [<802ec01c>]
tcp_rcv_established+0x4e4/0x61c
Thu Apr 28 13:25:38 2016 kern.warn kernel: [ 1205.910000] [<802f3d4c>]
tcp_v4_do_rcv+0xa4/0x1f8
Thu Apr 28 13:25:38 2016 kern.warn kernel: [ 1205.920000] [<802f6404>]
tcp_v4_rcv+0x914/0xb84
Thu Apr 28 13:25:38 2016 kern.warn kernel: [ 1205.930000] [<802d3888>]
ip_local_deliver_finish+0x15c/0x224
Thu Apr 28 13:25:38 2016 kern.warn kernel: [ 1205.940000] [<802d3e60>]
ip_local_deliver+0xd0/0xf0
Thu Apr 28 13:25:38 2016 kern.warn kernel: [ 1205.950000] [<802d4130>]
ip_rcv+0x2b0/0x31c
Thu Apr 28 13:25:38 2016 kern.warn kernel: [ 1205.960000] [<8029ac24>]
__netif_receive_skb_core+0x6e4/0x8fc
Thu Apr 28 13:25:38 2016 kern.warn kernel: [ 1205.970000] [<8029c828>]
process_backlog+0xac/0x184
Thu Apr 28 13:25:38 2016 kern.warn kernel: [ 1205.980000] [<8029c5d4>]
net_rx_action+0x130/0x2d8
Thu Apr 28 13:25:38 2016 kern.warn kernel: [ 1205.990000] [<8002e5a0>]
__do_softirq+0x1a0/0x2dc
Thu Apr 28 13:25:38 2016 kern.warn kernel: [ 1206.000000] [<8002e958>]
irq_exit+0x68/0x84
Thu Apr 28 13:25:38 2016 kern.warn kernel: [ 1206.010000] [<801da8dc>]
plat_irq_dispatch+0x98/0xc4
Thu Apr 28 13:25:38 2016 kern.warn kernel: [ 1206.020000]
Thu Apr 28 13:25:38 2016 kern.warn kernel: [ 1206.020000] ---[ end trace
d498fbf13dbfad32 ]---
2nd log
Thu Apr 28 14:51:34 2016 kern.warn kernel: [ 178.490000] ------------[
cut here ]------------
Thu Apr 28 14:51:34 2016 kern.warn kernel: [ 178.500000] WARNING: CPU: 3
PID: 0 at net/core/skbuff.c:4194 skb_try_coalesce+0x224/0x364()
Thu Apr 28 14:51:34 2016 kern.warn kernel: [ 178.520000] Modules linked
in: pppoe ppp_async iptable_nat pppox ppp_generic nf_nat_ipv4
nf_conntrack_ipv6 nf_conntrack_ipv4 ipt_REJECT ipt_MASQUERADE xt_time
xt_tcpudp xt_tcpmss xt_statistic xt_state xt_recent xt_nat xt_multiport
xt_mark xt_mac xt_limit xt_length xt_id xt_hl xt_helper xt_ecn xt_dscp
xt_conntrack xt_connmark xt_connlimit xt_connbytes xt_comment xt_TCPMSS
xt_REDIRECT xt_LOG xt_HL xt_DSCP xt_CT xt_CLASSIFY slhc nf_reject_ipv4
nf_nat_redirect nf_nThu Apr 28 14:51:34 2016 kern.warn kernel: [
178.740000] CPU: 3 PID: 0 Comm: swapper/3 Not tainted 4.4.7 #1
Thu Apr 28 14:51:34 2016 kern.warn kernel: [ 178.750000] Stack : 00000000
00000000 804d6842 00000032 00000000 00000000 80480000 804f0000
Thu Apr 28 14:51:34 2016 kern.warn kernel: [ 178.750000] 8783bf10
80479e83 803f4f20 00000003 00000000 804d365c 80490000 8050ae20
Thu Apr 28 14:51:34 2016 kern.warn kernel: [ 178.750000] 80476880
80063244 80480000 804f0000 8047e338 8047e33c 803f9804 878659d4
Thu Apr 28 14:51:34 2016 kern.warn kernel: [ 178.750000] 00000003
80060fcc 80490000 8050ae20 80476880 00000000 00000000 008659d4
Thu Apr 28 14:51:34 2016 kern.warn kernel: [ 178.750000] 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000
Thu Apr 28 14:51:34 2016 kern.warn kernel: [ 178.750000] ...
Thu Apr 28 14:51:34 2016 kern.warn kernel: [ 178.820000] Call Trace:
Thu Apr 28 14:51:34 2016 kern.warn kernel: [ 178.820000] [<80016728>]
show_stack+0x50/0x84
Thu Apr 28 14:51:34 2016 kern.warn kernel: [ 178.830000] [<801b0b50>]
dump_stack+0x84/0xbc
Thu Apr 28 14:51:34 2016 kern.warn kernel: [ 178.840000] [<8002bb3c>]
warn_slowpath_common+0xa0/0xd0
Thu Apr 28 14:51:34 2016 kern.warn kernel: [ 178.850000] [<8002bbf0>]
warn_slowpath_null+0x18/0x24
Thu Apr 28 14:51:34 2016 kern.warn kernel: [ 178.860000] [<8028a568>]
skb_try_coalesce+0x224/0x364
Thu Apr 28 14:51:34 2016 kern.warn kernel: [ 178.870000] [<802e72c0>]
tcp_try_coalesce+0x4c/0xd0
Thu Apr 28 14:51:34 2016 kern.warn kernel: [ 178.880000] [<802e73a8>]
tcp_queue_rcv+0x64/0x128
Thu Apr 28 14:51:34 2016 kern.warn kernel: [ 178.890000] [<802ec01c>]
tcp_rcv_established+0x4e4/0x61c
Thu Apr 28 14:51:34 2016 kern.warn kernel: [ 178.900000] [<802f3d4c>]
tcp_v4_do_rcv+0xa4/0x1f8
Thu Apr 28 14:51:34 2016 kern.warn kernel: [ 178.910000] [<802f6404>]
tcp_v4_rcv+0x914/0xb84
Thu Apr 28 14:51:34 2016 kern.warn kernel: [ 178.920000] [<802d3888>]
ip_local_deliver_finish+0x15c/0x224
Thu Apr 28 14:51:34 2016 kern.warn kernel: [ 178.930000] [<802d3e60>]
ip_local_deliver+0xd0/0xf0
Thu Apr 28 14:51:34 2016 kern.warn kernel: [ 178.940000] [<802d4130>]
ip_rcv+0x2b0/0x31c
Thu Apr 28 14:51:34 2016 kern.warn kernel: [ 178.950000] [<8029ac24>]
__netif_receive_skb_core+0x6e4/0x8fc
Thu Apr 28 14:51:34 2016 kern.warn kernel: [ 178.960000] [<8029c828>]
process_backlog+0xac/0x184
Thu Apr 28 14:51:34 2016 kern.warn kernel: [ 178.970000] [<8029c5d4>]
net_rx_action+0x130/0x2d8
Thu Apr 28 14:51:34 2016 kern.warn kernel: [ 178.980000] [<8002e5a0>]
__do_softirq+0x1a0/0x2dc
Thu Apr 28 14:51:34 2016 kern.warn kernel: [ 178.990000] [<8002e958>]
irq_exit+0x68/0x84
Thu Apr 28 14:51:34 2016 kern.warn kernel: [ 179.000000] [<801da8dc>]
plat_irq_dispatch+0x98/0xc4
Thu Apr 28 14:51:34 2016 kern.warn kernel: [ 179.010000]
Thu Apr 28 14:51:34 2016 kern.warn kernel: [ 179.010000] ---[ end trace
9aaa3a3bb10cfdb8 ]---
/etc/config/wireless:
config wifi-device 'radio0'
option type 'mac80211'
option hwmode '11a'
option path 'pci0000:00/0000:00:00.0/0000:01:00.0'
option txpower '20'
option country 'JP'
option disabled '0'
option htmode 'VHT80'
option channel '44'
config wifi-iface
option ssid 'XXXX'
option encryption 'psk2+ccmp'
option device 'radio0'
option wpa_group_rekey '3600'
option key 'XXXXXXXXXXXXXXXXX'
option mode 'ap'
option network 'lan'
--
Ticket URL: <https://dev.openwrt.org/ticket/22225#comment:2>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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