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    SubjectRe: Bringing up secondary rtl8169-based interface causes network hang/dma issues
    Shane Arnold <clontarf_x@iinet.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@vger.kernel.org

    --
    Ueimor


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