[OpenWrt-Devel] [PATCH] ath79: ag71xx: Fix tx queue timeouts during ifup

[Chuanhong Guo]

Hi!

On Thu, Jan 3, 2019 at 10:25 AM Petr Štetiar <ynezz at true.cz> wrote:
>
> On ath79 and UBNT Bullet M XW (ar9342) I was experiencing weird issues during
> network setup[1] which I was able to reproduce easily with following commands:
>
>  uci set network.lan.ipaddr='192.168.1.20'
>  uci commit network
>  ifup lan
>
> Which resulted after some time in:
>
>  ...
>  WARNING: CPU: 0 PID: 0 at net/sched/sch_generic.c:461 dev_watchdog+0x16c/0x280
>  NETDEV WATCHDOG: eth0 (ag71xx): transmit queue 0 timed out
>  ...
> So I've looked at ag71xx_stop() in ar71xx, added the missing bits to ath79 and
> fixed this issue.
I ran into the same issue today on QCA9558 and this commit fixed the
problem for me, too :)
>
> 1. https://github.com/openwrt/openwrt/pull/1635#issuecomment-448638246
>
> Signed-off-by: Petr Štetiar <ynezz at true.cz>
> ...

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