#17582: poor WiFi performance / ath9k / TP-LINK TL-WR1043ND v1
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Reporter: bittorf@… | Owner: developers
Type: defect | Status: new
Priority: normal | Milestone:
Component: packages | Version: Trunk
Resolution: | Keywords:
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Comment (by harmjan+openwrt@…):
I can confirm this issue on my TL-WR1043N with Barrier Breaker 14.07-rc3.
After a while the wifi speed drops and I get high ping-times. This happens
with serveral wifi devices e.g. laptop, tablet and smartphone.
{{{
root@openwrt:~# cat
/sys/kernel/debug/ieee80211/phy0/netdev\:wlan0/stations/08\:11\:96\:ef\:91\:ec/rc_stats
type rate throughput ewma prob this prob retry this
succ/attempt success attempts
CCK/LP 1.0M 0.3 41.3 16.6 0
0( 0) 214 325
CCK/SP 2.0M 1.5 100.0 100.0 0
0( 0) 1 1
CCK/SP 5.5M 0.0 6.5 0.0 2
0( 0) 2 12
CCK/SP 11.0M 0.0 2.9 0.0 3
0( 0) 3 18
HT20/LGI MCS0 3.6 58.9 50.0 3
0( 0) 24 47
HT20/LGI P MCS1 8.0 69.5 100.0 4
0( 0) 216 419
HT20/LGI MCS2 9.4 57.5 100.0 5
0( 0) 28 81
HT20/LGI MCS3 1.9 10.0 0.0 5
0( 0) 13 48
HT20/LGI MCS4 0.0 9.7 0.0 5
0( 0) 57 204
HT20/LGI MCS5 5.9 17.8 0.0 5
0( 0) 76 329
HT20/LGI MCS6 8.3 23.2 14.2 5
0( 0) 543 1471
HT20/LGI MCS7 8.3 21.7 0.0 5
0( 0) 3690 6117
HT20/LGI MCS8 4.4 38.0 0.0 4
0( 0) 11 42
HT20/LGI MCS9 3.5 17.0 0.0 5
0( 0) 53 169
HT20/LGI MCS10 4.2 15.2 0.0 5
0( 0) 145 465
HT20/LGI t MCS11 11.9 35.4 33.3 5
0( 0) 239 739
HT20/LGI MCS12 9.1 21.2 0.0 6
0( 0) 9602 13494
HT20/LGI MCS13 9.1 18.7 0.0 6
0( 0) 35614 47637
HT20/LGI T MCS14 30.2 58.2 25.0 6
1( 4) 192020 219358
HT20/LGI MCS15 0.0 9.8 0.0 6
0( 0) 89734 105474
Total packet count:: ideal 328063 lookaround 4045
Average A-MPDU length: 1.2
}}}
{{{
root@openwrt:~# cat /sys/kernel/debug/ieee80211/phy0/netdev\:wlan0/state
0x1
}}}
{{{
root@openwrt:~# wifi
}}}
{{{
root@openwrt:~# cat
/sys/kernel/debug/ieee80211/phy0/netdev\:wlan0/stations/08\:11\:96\:ef\:91\:ec/rc_stats
type rate throughput ewma prob this prob retry this
succ/attempt success attempts
CCK/LP 1.0M 0.7 100.0 100.0 0
0( 0) 6 6
CCK/SP 2.0M 0.0 0.0 0.0 0
0( 0) 0 0
CCK/SP 5.5M 0.0 0.0 0.0 0
0( 0) 0 0
CCK/SP 11.0M 0.0 0.0 0.0 0
0( 0) 0 0
HT20/LGI MCS0 5.6 100.0 100.0 3
0( 0) 2 2
HT20/LGI MCS1 10.5 100.0 100.0 4
0( 0) 3 3
HT20/LGI MCS2 14.8 100.0 100.0 5
0( 0) 1 1
HT20/LGI MCS3 18.6 100.0 100.0 0
0( 0) 1 1
HT20/LGI MCS4 25.1 100.0 100.0 0
0( 0) 1 1
HT20/LGI MCS5 0.0 0.0 0.0 0
0( 0) 0 0
HT20/LGI P MCS6 32.5 100.0 100.0 5
0( 0) 1 1
HT20/LGI MCS7 0.0 0.0 0.0 0
0( 0) 0 0
HT20/LGI MCS8 10.5 100.0 100.0 0
0( 0) 1 1
HT20/LGI MCS9 0.0 0.0 0.0 0
0( 0) 0 0
HT20/LGI MCS10 25.1 100.0 100.0 5
0( 0) 22 22
HT20/LGI MCS11 30.3 100.0 100.0 0
0( 0) 1 1
HT20/LGI MCS12 38.7 100.0 100.0 6
0( 0) 1 1
HT20/LGI MCS13 0.0 0.0 0.0 0
0( 0) 0 0
HT20/LGI t MCS14 46.8 99.3 100.0 6
0( 0) 120 127
HT20/LGI T MCS15 48.8 100.0 100.0 6
1( 1) 17 17
Total packet count:: ideal 160 lookaround 11
Average A-MPDU length: 1.2
}}}
--
Ticket URL: <https://dev.openwrt.org/ticket/17582#comment:1>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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