linux-kernel - Re: [PATCH 1/1] via-rhine: Fix hanging with high CPU load on low-end broads.

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Message-ID: <CACPM=kWn41S85eLgj4G+c6cN0WBgqF=6MigSwa9QBOxD1Uh64A@mail.gmail.com>
Date:	Sat, 31 Dec 2011 02:37:36 +0100
From:	Bjarke Istrup Pedersen <gurligebis@...too.org>
To:	Francois Romieu <romieu@...zoreil.com>
Cc:	David Miller <davem@...emloft.net>, shemminger@...tta.com,
	bhutchings@...arflare.com, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org, rl@...lgate.ch
Subject: Re: [PATCH 1/1] via-rhine: Fix hanging with high CPU load on low-end broads.

2011/12/30 Bjarke Istrup Pedersen <gurligebis@...too.org>:
> 2011/12/30 Francois Romieu <romieu@...zoreil.com>:
>> Bjarke Istrup Pedersen <gurligebis@...too.org> :
>> [...]
>>> Does not build with patch:
>>
>> Neither did it here. My head is already elsewhere.
>>
>> [...]
>>> Wouldn't it be an idea to move the declarations to a via-rhine.h file,
>>> and include it, to work around it, and seperate it like it should be?
>>
>> Code could be correctly ordered too. Forward declare it. It's good enough
>> in the meantime.
>
> Forward declaring it makes it compile just fine.
>
> I'll try and do some stress test of it when the rest of the house goes
> to sleep, so I don't cut off the net :)
>
> /Bjarke

Okay, this is beginning to look great.
Just tried randomly up'ing/down'ing the interfaces on the router while
there was alot of trafic going between them (a client downloading a
knoppix live dvd using bittorrent) - survived without a single bump.
Also tried connect a machine to one of the ports, and copying a large
file across (something that before could make it lock up within 15
secords) - also worked without any problems - CPU usage around 15%
(mostly "top" using that), so thats not bad at all.

Is there any other testcases that I should try out?

/Bjarke

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