[FS#896] mt7620 - dropping frames (WiFi)

[LEDE Bugs]

The following task has a new comment added:

FS#896 - mt7620 - dropping frames (WiFi)
User who did this - Christian (milefork)

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Same here with a https://wiki.openwrt.org/toh/astoria/arv752dpw22 running LEDE Reboot 17.01.4 r3560-79f57e422d / LuCI lede-17.01 branch (git-17.290.79498-d3f0685)

Fire with load on the wifi interface and it will broke.

Tue Jan 30 19:10:22 2018 kern.err kernel: [ 1831.341200] ieee80211 phy0: rt2x00queue_write_tx_frame: Error - Dropping frame due to full tx queue 2
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=896#comment4210