Re: 2.6.25 DMA: Out of SW-IOMMU space - Asus M2N32 AMD 8GB memory

Jari Aalto
2008-08-24T08:40:17Z

Alistair John Strachan <alistair@devzero.co.uk> writes:

> On Saturday 23 August 2008 13:31:03 Krzysztof Halasa wrote:
>
>> Jari Aalto <jari.aalto@cante.net> writes:
>> > [1] Aug 21 11:01:19 jondo kernel: [174628.275859] DMA: Out of
>> > SW-IOMMU space for 65536 bytes at device 0000:00:0d.0 model name :
>> > AMD Athlon(tm) X2 Dual Core Processor
>> > BE-2400
>>
>> grep GART_IOMMU .config
>
> Agreed, you shouldn't be using the SW-IOMMU on this processor.

Are these the correct boot options, without swiotlb?

iommu=noagp,noaperture,off

Or just:

iommu=off

> That said, do you use the r8169 driver with jumbo frames enabled? Francois
> Romieu just fixed a leak in it that affected Intel platforms (because some
> have no hardware IOMMU).

The onboard WiFi is in use:

$ lsmod | grep rtl
rtl8187 39424 0

$ dmesg

[ 2.758861] usb 1-9: new full speed USB device using ohci_hcd and address 4
[ 2.978258] usb 1-9: configuration #1 chosen from 1 choice
[ 2.985369] usb 1-9: New USB device found, idVendor=0bda, idProduct=8187
[ 2.985372] usb 1-9: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 2.985374] usb 1-9: Product: RTL8187_Wireless
[ 2.985376] usb 1-9: Manufacturer: Manufacturer_Realtek_RTL8187_
[ 2.985378] usb 1-9: SerialNumber: 0015AF0B59A6

Jari