#11862: ath: Failed to stop TX DMA, queues=0x004
------------------------------+-----------------------------------
Reporter: igor@… | Owner: nbd
Type: defect | Status: closed
Priority: response-needed | Milestone: Barrier Breaker 14.07
Component: kernel | Version: Trunk
Resolution: fixed | Keywords:
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Comment (by fl@…):
In yesterday I had install latest OpenWRT in my TL-WR841ND v.8.1 and saw
that:
1. often repeated block of messages:
{{{
[106284.190000] br-lan: port 1(eth1) entered disabled state
[106285.690000] eth1: link up (1000Mbps/Full duplex)
[106285.690000] br-lan: port 1(eth1) entered forwarding state
[106285.700000] br-lan: port 1(eth1) entered forwarding state
[106287.700000] br-lan: port 1(eth1) entered forwarding state
[108444.280000] ath: phy0: Failed to stop TX DMA, queues=0x00c!
[108630.060000] ath: phy0: Failed to stop TX DMA, queues=0x00c!
[113506.470000] UDP: short packet: From 85.172.123.181:0 0/28 to
85.113.58.189:20480
[113506.470000] UDP: short packet: From 85.172.123.181:0 0/28 to
85.113.58.189:20480
[125029.500000] ath: phy0: Failed to stop TX DMA, queues=0x00d!
[125327.710000] ath: phy0: Failed to stop TX DMA, queues=0x004!
[178582.870000] ath: phy0: Failed to stop TX DMA, queues=0x004!
[178588.270000] ath: phy0: Failed to stop TX DMA, queues=0x005!
[191665.130000] ath: phy0: Failed to stop TX DMA, queues=0x008!
[191666.100000] ath: phy0: Failed to stop TX DMA, queues=0x00c!
[191668.390000] ath: phy0: Failed to stop TX DMA, queues=0x00c!
[191727.270000] ath: phy0: Failed to stop TX DMA, queues=0x005!
[191767.080000] ath: phy0: Failed to stop TX DMA, queues=0x004!
[191786.100000] ath: phy0: Failed to stop TX DMA, queues=0x004!
[192037.930000] ath: phy0: Failed to stop TX DMA, queues=0x00c!
[192641.910000] ath: phy0: Failed to stop TX DMA, queues=0x004!
}}}
During this process - the connections of any wifi devices are stay on but
the traffic is off. It take a 3-10 seconds.
If any android devices are coneected to router then more often it will be
trouble.
--
Ticket URL: <https://dev.openwrt.org/ticket/11862#comment:335>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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