[Cerowrt-devel] Errors in dmesg on latest cero

[Dave Taht]

grumble. An ubnt box running something close to 3.8.13-7

[33398.253906] ath: phy0: Failed to stop TX DMA, queues=0x004!
[33398.269531] ath: phy0: DMA failed to stop in 10 ms AR_CR=0x00000024
AR_DIAG_SW=0x42000020 DMADBG_7=0x000084c0
[33398.281250] ath: phy0: Could not stop RX, we could be confusing the
DMA engine when we start RX up
[35734.441406] ath: phy0: Failed to stop TX DMA, queues=0x006!
[35734.460937] ath: phy0: DMA failed to stop in 10 ms AR_CR=0x00000024
AR_DIAG_SW=0x42000020 DMADBG_7=0x000084c0
[35734.468750] ath: phy0: Could not stop RX, we could be confusing the
DMA engine when we start RX up
[50427.460937] ath: phy0: Failed to stop TX DMA, queues=0x004!


On Tue, Jun 18, 2013 at 5:35 AM, Toke Høiland-Jørgensen <toke at toke.dk> wrote:
> I'm getting some weird errors in dmesg on my latest cero(-based) build:
>
> [75667.492187] ath: phy0: Failed to stop TX DMA, queues=0x004!
> [75667.574218] ath: phy0: Failed to stop TX DMA, queues=0x004!
> [75667.660156] ath: phy0: Failed to stop TX DMA, queues=0x004!
> [75667.742187] ath: phy0: Failed to stop TX DMA, queues=0x004!
> [75667.828125] ath: phy0: Failed to stop TX DMA, queues=0x004!
> [78593.152343] ath: phy0: Failed to stop TX DMA, queues=0x004!
> [78600.367187] ath: phy0: Failed to stop TX DMA, queues=0x004!
>
> and some IPv6 checksum failures:
>
> [127948.988281] ICMPv6 checksum failed [xxxx:xxxx:xxxx:0015:0000:0000:0000:0001 > xxxx:xxxx:xxxx:0015:0000:0000:0000:0002]
>
> The addresses are the 6in4 tunnel endpoints.
>
> I've also seen babeld lose connectivity (restarting it helped).
>
>
> Anything I can do about these, or are they just noise?
>
> -Toke
>
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-- 
Dave Täht

Fixing bufferbloat with cerowrt: http://www.teklibre.com/cerowrt/subscribe.html