On 10/19/19 1:43 PM, David Bauer wrote: > Hello, > > while preparing the switch to 19.07 for the mesh-framework Gluon, we found an > issue > with ath10k, which results in an overflowing TX queue in the kernel. The > QCA9880 does > not send TX_DONE or TX_FAILED messages back to the driver, which results in > the SKBs never > being freed. Both HTT_COOKIES counters are also frozen when this happens. > > This happens when using 10.2.4-1.0-00045 (current in linux-firmware) and > 10.2.4-1.0-00037 firmware (shipped with OpenWrt 18.06). However, it seems to > be fixed in > 10.2.4-1.0-00047. > > We have some statistical data about this issue here. [1] > As you can see, the issue started with the switch to OpenWrt on 26. September > and > was resolved on 5th October (we did some testing afterwards, so we didn't > reach a continuous > uptime) > > We've also tried ath10k-ct firmware (which does not seem to show the issue), > however this is > an option for us, as we need 802.11s meshing on our devices (the described > issue however does also > happen when using a single AP VIF). > > As an interim fix, i would propose to switch to the 10.2.4-1.0-00047 firmware > for the QCA9880/QCA9887. > This would include switching to ath10k-firmware repository from kvalo for > both firmware files. > > Any objections on this? > > [1] > https://stats.darmstadt.freifunk.net/d/000000021/router-meshviewer-export?orgId=1&var-node=f09fc2dec4c5&from=1569466967823&to=1570394540260 > > Best wishes > David Hi David,
The linux-firmeware package was updated and contains the new ath10k firmware now: ath10k: QCA9984 hw1.0: update firmware-5.bin to 10.4-3.9.0.2-00070 ath10k: QCA988X hw2.0: update firmware-5.bin to 10.2.4-1.0-00047 ath10k: QCA9888 hw2.0: update firmware-5.bin to 10.4-3.9.0.2-00070 ath10k: QCA9887 hw1.0: update firmware-5.bin to 10.2.4-1.0-00047 Hauke
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