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Re: [alpine-devel] Extreme latency on rt2x00 + hostapd + multi-BSS

From: Natanael Copa <ncopa_at_alpinelinux.org>
Date: Fri, 24 Jan 2014 15:03:56 +0100

On Thu, 23 Jan 2014 19:48:41 -0600
"Isan/Matt/Koryn" <isangaft220_at_gmail.com> wrote:

> Hello all,
> Recently I noticed that I was unable to view videos without constant
> buffering on my wireless connection. I seem to have been having this
> problem off and on for a while, however it became much worse recently,
> with my ping exceeding 1000ms, right now it's averaging about 500ms,
> which is much better than it was, although that's when pinging my
> alpine box (which acts as the gateway/router/firewall for my network)
> which should be much lower (~1ms). Checking the logs, I realized the
> kernel is throwing the same error related to the
> rt2x00queue_write_tx_frame symbol, as follows:
>
> Jan 23 18:40:59 security kern.err kernel: [16896.045803] ieee80211
> phy0: rt2x00queue_write_tx_frame: Error - Dropping frame due to full
> tx queue 2
...

> I am using the linux-grsec kernel, and this occurs whether I'm using
> the kernel from stable or edge.

Can you test linux-vanilla too? If it happens with vanilla kernel then
its an upstream issue otherwise it is likely introduced with grsecurity
patch.

-nc


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Received on Fri Jan 24 2014 - 15:03:56 UTC