Re: Problem with ethernet/sound with IOMMU enabled on M5A99FX pro r2.0 motherboard

[Suravee Suthikulanit <suravee.suthikulpanit-5C7GfCeVMHo@public.gmane.org>]

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Hi,

Would you please provide the kernel log and the dump of ACPI (from tools 
like "acpidump")?  These should help debugging the issue.

Thank you,

Suravee
>> *From:* Donald Dutile <ddutile-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org <mailto:ddutile-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>>
>> *Date:* March 7, 2013, 3:08:57 AM GMT+08:00
>> *To:* JapHack <japhack-/E1597aS9LQAvxtiuMwx3w@public.gmane.org <mailto:japhack-/E1597aS9LQAvxtiuMwx3w@public.gmane.org>>
>> *Cc:* <iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org 
>> <mailto:iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>>
>> *Subject:* *Re: Problem with ethernet/sound with IOMMU enabled on 
>> M5A99FX pro r2.0 motherboard*
>>
>> Probably a missing IVMD block for the sound device.
>>
>> The ethernet device issue could be a driver issue --
>> DMA write to a page that was mapped for read-only.
>> Providing the IO page fault message would help to
>> diagnose further.
>>
>> - DonD
>>
>> ----- Original Message -----
>> From: "JapHack" <japhack-/E1597aS9LQAvxtiuMwx3w@public.gmane.org <mailto:japhack-/E1597aS9LQAvxtiuMwx3w@public.gmane.org>>
>> To: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org 
>> <mailto:iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>
>> Sent: Tuesday, March 5, 2013 2:10:52 PM
>> Subject: Problem with ethernet/sound with IOMMU enabled on M5A99FX 
>> pro r2.0    motherboard
>>
>>
>> I recently bought this board as I wanted to start doing pci 
>> passthrough emulation.
>>
>> I noticed that after I had installed it and booted up, with IOMMU 
>> enabled
>> the network would work fine for a while then I would get an AMD-Vi IO 
>> page fault
>> and the driver would crash.
>> IF I turn off IOMMU there is no problem with using ethernet,
>>
>> The onboard ethernet chip is a RTL8111F/8168F.
>> For now I've turned off the network adapter in the bios and am using 
>> an add on card.
>>
>> Then I noticed that I could not use the onboard audio with oss 
>> (4.2.2007) with IOMMU
>> enabled. Alsa works ok, but I prefer to use oss. As with the ethernet 
>> card if I turn off
>> IOMMU in the bios the onboard audio is recognized and works fine.
>>
>> Any clues or help would be appreciated
>> Thanks, Don
>>
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