[Make-wifi-fast] crypto-fq bug postmortem is up

Loganaden Velvindron loganaden at gmail.com
Sun Sep 18 23:56:39 EDT 2016

On Mon, Sep 19, 2016 at 12:50 AM, Sebastian Moeller <moeller0 at gmx.de> wrote:
> Hi Loganaden,
> this sounds somewhat familiar to me (see
> https://bugs.lede-project.org/index.php?do=details&task_id=176 ). At least
> the symptoms are similar and so is the temporary remedy (calling wifi on the
> CLI). Are you using LEDE firmwares as well? In my case it seems bad radio
> conditions help expose the issue somewhat easier... My current idea is that
> r1482 (commit    372d0fea29e60b02154fd7176ba32e7742f6640e, ' ath9k: add a
> bunch of powersave handling fixes') somehow introduced a new or exposed an
> old and hidden bug for the atheros radios, r1483 (commit
> a894a535ff7e6c37bd853e951663130482bc0ff2, 'mac80211: add fixes for dealing
> with unexpected BlockAck frames') might either have introduced an easier way
> to trigger the offensive conditions, but that is conjecture...

I'm using this firmware:


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