netdev - Re: AMD Vi error and lost networking with r8169

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Message-ID: <5165C412.3010302@unsolicited.net>
Date:	Wed, 10 Apr 2013 20:57:06 +0100
From:	David R <david@...olicited.net>
To:	Francois Romieu <romieu@...zoreil.com>
CC:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	netdev@...r.kernel.org
Subject: Re: AMD Vi error and lost networking with r8169

This is working fine so far - no further hangs, and networking seems
much faster into the bargain. Will report back if it happens again.

Thanks
David

On 07/04/13 22:53, Francois Romieu wrote:
> David R <david@...olicited.net> :
>> I'm been seeing some problems with my new ish AMD motherboard/processor
>> combo and networking (r8169). I see the following page fault :-
>>
>> Apr  7 12:25:14 david kernel: [156421.436545] AMD-Vi: Event logged
>> [IO_PAGE_FAULT device=02:00.0 domain=0x0015 address=0x0000000000003000
>> flags=0x0050]
> Can you give the hack below a try ?
>
> diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
> index 28fb50a..ed8625d 100644
> --- a/drivers/net/ethernet/realtek/r8169.c
> +++ b/drivers/net/ethernet/realtek/r8169.c
> @@ -4125,6 +4125,8 @@ static void rtl_init_rxcfg(struct rtl8169_private *tp)
>  	case RTL_GIGA_MAC_VER_23:
>  	case RTL_GIGA_MAC_VER_24:
>  	case RTL_GIGA_MAC_VER_34:
> +	case RTL_GIGA_MAC_VER_35:
> +	case RTL_GIGA_MAC_VER_36:
>  		RTL_W32(RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST);
>  		break;
>  	default:

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