Re: [ath9k-devel] ath9k: massive unexplained latency in 2.6.27 (rc5, rc6, probably others)

From: Steven Noonan
Date: Sat Sep 20 2008 - 17:23:00 EST


On Sat, Sep 20, 2008 at 2:03 PM, Luis R. Rodriguez
<lrodriguez@xxxxxxxxxxx> wrote:
>
> OK so yeah you have an interrupt storm, this is evident.

Indeedy.

>
> Do you think there is a way you can try to trigger the interrupt storm
> so it happens < than after 7 hours or however long its taking you? If
> so then it'd be good to get your debug out using the interrupt debug.
> If that's not useful then we can enable all debug stuff (file will be
> huge).

It's apparently 7 idle hours and ~1-2 hours when I'm actively browsing
the web. I don't know what in particular triggers it, so I guess I'd
just need to enable debug logging and then start running through all
my webcomics, or perhaps perusing Wikipedia.

> Try turning on the microwave, turn on all your bluetooth devices, use
> your 2.4 GHz wireless phone, use your xbox 360 controllers and ps3
> controllers all at once :D

Heh. I don't have an Xbox 360 or PS3 (sad, I know). Do have several
2.4GHz phones. ;)
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