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Message-Id: <DED183BB-B51D-4739-99B3-7E0B71897159@ginzton.net>
Date:	Sun, 1 Jan 2012 18:03:20 -0800
From:	Matt Ginzton <matt@...zton.net>
To:	Francois Romieu <romieu@...zoreil.com>
Cc:	nic_swsd@...ltek.com, netdev@...r.kernel.org
Subject: Re: reproducible kernel freeze using r8169 in Linux 3.0

On Dec 18, 2011, at 12:32 AM, Francois Romieu wrote:

> Matt Ginzton <matt@...zton.net> :
> [...]
>> Please let me know if I'm reporting this to the right place, or if there's
>> any other helpful info I can provide.
> 
> Please grep for a XID line in dmesg and send it so we can figure the
> specific revision of your chipset (lspci can not figure it).
> 
> If it says something like "blah blah XID 1c4...", you should give current
> -rc a try (who shouldn't ?).

Just to follow up on this old thread:

- my XID line says 1c4000c0
- I tried 3.2-rc7 kernel, and couldn't reproduce any problems at all -- not the complete system freeze from 3.0 kernels, nor the slow_path kernel warning and backtrace from 3.1 kernels. A big improvement indeed -- thank you.

I do note that TX performance as measured by pktgen is lower than r8168 -- with r8169 in 3.2-rc7 I see something like 455MB/sec and with r8168, IIRC, the number was closer to 800MB/sec. This may be a very artificial statistic, and isn't something I happen to care about and I'm certainly not going to use r8168 because of it, but it may be worth looking into?

cheers,

Matt

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