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SubjectRe: [Regression] r8169: enable 64-bit DMA by default for PCI Express devices (v2)
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From: Jörn Engel <joern@dublin.logfs.org>
Date: Mon, 15 Mar 2010 16:10:41 +0100

> Forgot to Cc: lkml.

Actually, what you really need to CC: is netdev, added.
> On Mon, 15 March 2010 16:08:06 +0100, J�rn Engel wrote:
>>
>> Hello Robert!
>>
>> Looks like 353176888386d9025062a12dcec08d49af10cf2c broke one of my
>> machines. Reverting that patch fixes things again. Machine is
>> running an x86_64 kernel. Lspci gives me this:
>>
>> 01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 02)
>> Subsystem: ASRock Incorporation Device 8136
>> Flags: bus master, fast devsel, latency 0, IRQ 26
>> I/O ports at e800 [size=256]
>> Memory at fdeff000 (64-bit, prefetchable) [size=4K]
>> Memory at fdee0000 (64-bit, prefetchable) [size=64K]
>> [virtual] Expansion ROM at fde00000 [disabled] [size=128K]
>> Capabilities: [40] Power Management version 3
>> Capabilities: [50] MSI: Enable+ Count=1/1 Maskable- 64bit+
>> Capabilities: [70] Express Endpoint, MSI 01
>> Capabilities: [ac] MSI-X: Enable- Count=2 Masked-
>> Capabilities: [cc] Vital Product Data
>> Capabilities: [100] Advanced Error Reporting
>> Capabilities: [140] Virtual Channel <?>
>> Capabilities: [160] Device Serial Number 08-00-00-00-ff-ff-00-00
>> Kernel driver in use: r8169
>>
>> If you have any test patches to try, please send them my way. :)
>>
>> J�rn
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