David R <da...@unsolicited.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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