[FS#508] ath9k / poor performance + drops with r3426 (after airtime-fairness fixup)
LEDE Bugs
lede-bugs at lists.infradead.org
Mon Feb 13 07:15:42 PST 2017
A new Flyspray task has been opened. Details are below.
User who did this - Bastian Bittorf (bittorf)
Attached to Project - LEDE Project
Summary - ath9k / poor performance + drops with r3426 (after airtime-fairness fixup)
Task Type - Bug Report
Category - Base system
Status - Unconfirmed
Assigned To -
Operating System - All
Severity - Low
Priority - Very Low
Reported Version - Trunk
Due in Version - Undecided
Due Date - Undecided
Details - after the new airtime-fairness patches the wifi is working very bad.
i'am 2 meters away. flashing back to e.g. r3320 makes it good again.
here some data:
root at F36-stube:~ :) cat /tmp/sysinfo/model
TP-Link TL-WDR4900 v1
root at F36-stube:~ :) iw dev wlan1-1 station get 00:1e:65:94:22:52 # olsrd_dyn_gw_plain
Station 00:1e:65:94:22:52 (on wlan1-1)
inactive time: 0 ms
rx bytes: 498338240
rx packets: 390255
tx bytes: 152649320
tx packets: 342078
tx retries: 225948
tx failed: 831
rx drop misc: 209953
signal: -33 [-38, -38, -37] dBm
signal avg: -39 [-44, -43, -43] dBm
tx bitrate: 11.0 MBit/s
rx bitrate: 19.5 MBit/s MCS 2
expected throughput: 4.394Mbps
authorized: yes
authenticated: yes
associated: yes
preamble: short
WMM/WME: yes
MFP: no
TDLS peer: no
DTIM period: 2
beacon interval:250
short preamble: yes
short slot time:yes
connected time: 9812 seconds
root at F36-stube:~ :) cat /sys/kernel/debug/ieee80211/phy1/netdev:wlan1-1/stations/00:1e:65:94:22:52/rc_stats
best ____________rate__________ ________statistics________ _____last____ ______sum-of________
mode guard # rate [name idx airtime max_tp] [avg(tp) avg(prob) sd(prob)] [retry|suc|att] [#success | #attempts]
CCK LP 1 1.0M 120 10548 0.0 0.0 42.1 49.2 0 0 0 504 973
CCK LP 1 2.0M 121 5476 0.0 0.0 100.0 0.0 0 0 0 1 1
CCK LP 1 B 5.5M 122 2411 2.4 2.4 96.9 11.5 2 0 0 64227 88849
CCK LP 1 A P 11.0M 123 1535 4.8 4.8 92.4 17.4 3 2 2 10342 12600
HT20 LGI 1 CD MCS0 0 1477 4.8 2.4 62.1 33.1 3 0 0 94407 208223
HT20 LGI 1 MCS1 1 739 9.7 0.0 18.7 38.9 4 0 0 24755 42243
HT20 LGI 1 MCS2 2 493 14.6 0.0 0.0 0.0 5 0 0 178 1344
HT20 LGI 1 MCS3 3 369 17.0 0.0 0.0 0.0 4 0 0 273 2158
HT20 LGI 1 MCS4 4 246 24.4 0.0 0.0 0.0 0 0 0 0 376
HT20 LGI 1 MCS5 5 185 29.2 0.0 0.0 0.0 4 0 0 9 528
HT20 LGI 1 MCS6 6 164 31.7 0.0 0.0 0.0 0 0 0 0 374
HT20 LGI 1 MCS7 7 148 34.1 0.0 0.0 0.0 0 0 0 0 374
HT20 LGI 2 MCS8 10 739 9.7 2.4 27.9 24.6 4 0 0 30457 55948
HT20 LGI 2 MCS9 11 369 17.0 0.0 0.0 0.0 4 0 0 12464 35341
HT20 LGI 2 MCS10 12 246 24.4 0.0 0.0 0.0 5 0 0 1 379
HT20 LGI 2 MCS11 13 185 29.2 0.0 0.0 0.0 0 0 0 0 373
HT20 LGI 2 MCS12 14 123 36.6 0.0 0.0 0.0 0 0 0 0 373
HT20 LGI 2 MCS13 15 93 43.9 0.0 0.0 0.0 0 0 0 0 372
HT20 LGI 2 MCS14 16 82 46.3 0.0 0.0 0.0 0 0 0 0 372
HT20 LGI 2 MCS15 17 74 48.8 0.0 0.0 0.0 0 0 0 0 373
HT20 SGI 1 MCS0 30 1329 4.8 2.4 39.1 48.7 3 0 0 634 1788
HT20 SGI 1 MCS1 31 665 9.7 2.4 32.2 43.0 4 0 0 1400 5378
HT20 SGI 1 MCS2 32 443 14.6 0.0 0.0 0.0 5 0 0 322 2186
HT20 SGI 1 MCS3 33 332 19.5 0.0 1.3 8.1 5 0 0 247 2182
HT20 SGI 1 MCS4 34 222 26.8 0.0 0.0 0.0 0 0 0 0 374
HT20 SGI 1 MCS5 35 166 31.7 0.0 0.0 0.0 0 0 0 0 369
HT20 SGI 1 MCS6 36 148 34.1 0.0 0.0 0.0 0 0 0 0 371
HT20 SGI 1 MCS7 37 133 36.6 0.0 0.0 0.0 0 0 0 0 373
HT20 SGI 2 MCS8 40 665 9.7 2.4 20.0 22.0 4 0 0 496 2282
HT20 SGI 2 MCS9 41 332 19.5 0.0 0.0 0.0 4 0 0 2013 8577
HT20 SGI 2 MCS10 42 222 26.8 0.0 2.5 15.4 5 0 0 1 394
HT20 SGI 2 MCS11 43 166 31.7 0.0 0.0 0.0 0 0 0 0 373
HT20 SGI 2 MCS12 44 111 39.0 0.0 0.0 0.0 0 0 0 0 374
HT20 SGI 2 MCS13 45 83 46.3 0.0 0.0 0.0 0 0 0 0 372
HT20 SGI 2 MCS14 46 74 48.8 0.0 0.0 0.0 0 0 0 0 374
HT20 SGI 2 MCS15 47 67 51.2 0.0 0.0 0.0 0 0 0 0 373
Total packet count:: ideal 232766 lookaround 12163
Average # of aggregated frames per A-MPDU: 1.0
More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=508
More information about the lede-bugs
mailing list