#9654: ath: DMA failed to stop in 10 ms
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Reporter: anonymous | Owner: nbd
Type: defect | Status: reopened
Priority: normal | Milestone: Barrier Breaker 14.07
Component: kernel | Version: Trunk
Resolution: | Keywords: atheros
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Comment (by anonymous):
Just had this transpire on my ar7xxx device (WZR-HP-G300NH v1):
{{{
[40323.320000] ath: phy0: Failed to stop TX DMA, queues=0x004!
[40454.700000] ath: phy0: Failed to stop TX DMA, queues=0x004!
[66254.360000] ath: phy0: DMA failed to stop in 10 ms AR_CR=0x00000024
AR_DIAG_SW=0x42000020 DMADBG_7=0x000286c0
[66254.370000] ath: phy0: Could not stop RX, we could be confusing the DMA
engine when we start RX up
}}}
Restarting the wireless interface made the problem go away for the time
being, but while it was in that state, packet loss for anything connected
over wifi was insane.
Running on Barrier Breaker (r42056).
--
Ticket URL: <https://dev.openwrt.org/ticket/9654#comment:534>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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