linux-kernel - Re: Bringing up secondary rtl8169-based interface causes network hang/dma issues

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Message-ID: <20090908175550.GA30098@electric-eye.fr.zoreil.com>
Date:	Tue, 8 Sep 2009 19:55:50 +0200
From:	Francois Romieu <romieu@...zoreil.com>
To:	Shane Arnold <clontarf_x@...et.net.au>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Bringing up secondary rtl8169-based interface causes network
	hang/dma issues

Shane Arnold <clontarf_x@...et.net.au> :
[...]
> The issue I am having is when bringing up a second Ethernet interface  
> that uses the rtl8169 driver, it seems to cause network issues. I lose  
> all network connectivity to the machine, and I simultaneously see a DMA  
> error occur for my primary IDE drive.
>
> Two interfaces:
>
> Quote:
> eth0 (rtl8168 (using rtl8169 driver) - Onboard PCI-E Gigabit Ethernet)
> eth1 (rtl8169 (using rtl8169 driver) - RTL8169 PCI Gigabit Ethernet)
                       ^^^^^^^
Do you mean the in-kernel r8169 driver or Realtek's one ?

> The chipset running the IDE drive that experiences the DMA crash is:
>
> Quote:
> ATI Technologies Inc SB700/SB800 IDE Controller (atiixp)
> Vitals:
>
> Debian 5.0.1 @ Kernel 2.6.30
>
> 00:00.0 Host bridge: Advanced Micro Devices [AMD] RS780 Host Bridge
> 00:01.0 PCI bridge: ASUSTeK Computer Inc. Device 9602
> 00:06.0 PCI bridge: Advanced Micro Devices [AMD] RS780 PCI to PCI bridge  
> (PCIE port 2)
> 00:11.0 SATA controller: ATI Technologies Inc SB700/SB800 SATA  
> Controller [IDE mode]
> 00:12.0 USB Controller: ATI Technologies Inc SB700/SB800 USB OHCI0  
> Controller
> 00:12.1 USB Controller: ATI Technologies Inc SB700 USB OHCI1 Controller
> 00:12.2 USB Controller: ATI Technologies Inc SB700/SB800 USB EHCI Controller
> 00:13.0 USB Controller: ATI Technologies Inc SB700/SB800 USB OHCI0  
> Controller
> 00:13.1 USB Controller: ATI Technologies Inc SB700 USB OHCI1 Controller
> 00:13.2 USB Controller: ATI Technologies Inc SB700/SB800 USB EHCI Controller
> 00:14.0 SMBus: ATI Technologies Inc SBx00 SMBus Controller (rev 3a)
> 00:14.1 IDE interface: ATI Technologies Inc SB700/SB800 IDE Controller
> 00:14.3 ISA bridge: ATI Technologies Inc SB700/SB800 LPC host controller
> 00:14.4 PCI bridge: ATI Technologies Inc SBx00 PCI to PCI Bridge
> 00:14.5 USB Controller: ATI Technologies Inc SB700/SB800 USB OHCI2  
> Controller
> 00:18.0 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron]  
> HyperTransport Technology Configuration
> 00:18.1 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron]  
> Address Map
> 00:18.2 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron]  
> DRAM Controller
> 00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron]  
> Miscellaneous Control
> 01:05.0 VGA compatible controller: ATI Technologies Inc Radeon HD 3200  
> Graphics
> 02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd.  
> RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 02)
> 03:07.0 Multimedia audio controller: Creative Labs SB Audigy (rev 04)
> 03:07.1 Input device controller: Creative Labs SB Audigy Game Port (rev 04)
> 03:07.2 FireWire (IEEE 1394): Creative Labs SB Audigy FireWire Port (rev 04)

The second (PCI only ?) network card is plugged and lspci does not display
it, right ?

> The output from kern.log is as follows (right after bringing the link up)

Please send a complete dmesg from boot and the content of /proc/interrupts
once the link is brought up.

[...]
> If you guys need any package versions just ask. Also feel free to point  
> me in the direction of a better place to post this issue.

It is suggested to send network related problems to netdev@...r.kernel.org

-- 
Ueimor
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