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Opened 7 years ago

Closed 7 years ago

Last modified 4 years ago

#8707 closed defect (duplicate)

video killed the internet star

Reported by: anonymous Owned by: developers
Priority: normal Milestone: Barrier Breaker 14.07
Component: packages Version: Trunk
Keywords: Cc:

Description

Watching HD videos (high data rate over wireless lan) on different video platforms (vimeo, YouTube) can lead to a significant loss in wireless speed: only a few kB/s are possible after finishing the transmission of the video. After disconnecting and reconnecting, the wireless speed is back to normal values.

Router: Asus WL500gP with ath9k miniPCI (TP-Link) running in 11n modus.

If there is anything that I can do to help solving the problem, please let me know.

Jan 23 13:05:18 mySSID daemon.info dnsmasq-dhcp[1625]: DHCPINFORM(br-lan) 192.168.1.245 00:1a:73:5f:xx:xx 
Jan 23 13:05:18 mySSID daemon.info dnsmasq-dhcp[1625]: DHCPACK(br-lan) 192.168.1.245 00:1a:73:5f:xx:xx Windows-PC
Jan 23 13:06:17 mySSID user.info hostapd: wlan0: STA 00:1a:73:5f:xx:xx WPA: group key handshake completed (RSN)
Jan 23 13:16:17 mySSID user.info hostapd: wlan0: STA 00:1a:73:5f:xx:xx WPA: group key handshake completed (RSN)
Jan 23 13:20:07 mySSID user.info hostapd: wlan0: STA 00:1a:73:5f:xx:xx IEEE 802.11: disassociated                      <--- manually disconnected
Jan 23 13:20:08 mySSID user.info hostapd: wlan0: STA 00:1a:73:5f:xx:xx IEEE 802.11: deauthenticated due to inactivity
Jan 23 13:20:08 mySSID user.err kernel: ath: Failed to stop TX DMA in 100 msec after killing last frame
Jan 23 13:20:08 mySSID user.err kernel: ath: Failed to stop TX DMA in 100 msec after killing last frame
Jan 23 13:20:08 mySSID user.err kernel: ath: Failed to stop TX DMA!
Jan 23 13:20:08 mySSID user.err kernel: ath: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x42000020

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Change History (8)

comment:1 Changed 7 years ago by anonymous

Here is the OP:

Problem seems to be related to collectd. Removing luci-app-statistics and collectd from self compiled image helps to get rid of wireless instabilities / disconnects.

It also seems to be that there are a lot of people having the same problem but not knowing the cause. Worth a closer look?

Please close the ticket. Ticket #8718 is also related to collectd and can be closed.

comment:2 Changed 7 years ago by anonymous

instabilities / disconnects happens even while collectd and luci-app-statistics are not compiled.

Wifi G is working perfectly for me. Problems happens only when wifi N is enabled.

Any clue for that?

comment:3 Changed 7 years ago by anonymous

Here again OP:

Yes you are right. Disconnects/deauthentication still occurs even after removing of collectd.

Problem related to #8830?

comment:4 Changed 7 years ago by blindbox

Getting rid of collectd fixes this problem (I was getting the same error messages, and wireless gets owned after a while, and it brought my whole router with it too) for my TP-Link TL-WR1043ND (ath9k) on Wireless-N.

comment:5 Changed 7 years ago by blindbox

Oops, forgot to mention, I actually got rid of luci-app-statistics (started a fresh config, then I dont tick luci-app-statistics at all)

Op should start having a nick, imo :) .

comment:6 Changed 7 years ago by jeyjay

Here again OP:

Thank you for the info, blindbox. After removing luci-app-statistics and its dependencies (i.e. collectd) I had only once a crash of the wireless-N. So I thought that the problem is still there. But for now the router is running quite stable (of course without collectd/luci-app-statistics).

comment:7 Changed 7 years ago by nbd

  • Resolution set to duplicate
  • Status changed from new to closed

Stability issues are tracked in #8343, #8830

comment:8 Changed 4 years ago by jow

  • Milestone changed from Attitude Adjustment 12.09 to Barrier Breaker 14.07

Milestone Attitude Adjustment 12.09 deleted

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