[arch-general] GA-990FX - on boot I get IO_PAGE_FAULT & AMD-Vi: Event logged??

[Casey Peter]

On Thu, Aug 27, 2015 at 10:22 AM, Aaron Laws <dartme18 at gmail.com> wrote:

> On Tue, Aug 25, 2015 at 3:02 PM, David C. Rankin <
> drankinatty at suddenlinkmail.com> wrote:
>
> > All,
> >
> > ...
> >   I need to know if anyone has seen this and if there is a fix.
> Everything
> > works fine after it boots, but it is horrible looking at the errors on
> > boot. Specifically, here is what is logged:
> > ...
> >   Anybody have any idea how to fix this?
> >
> > --
> > David C. Rankin, J.D.,P.E.
> >
>
> Sorry, I don't have an answer for you.
>
> What chip do you have? I see
>
> [    0.150863] smpboot: CPU0: AMD FX(tm)-9590 Eight-Core Processor (fam:
> 15, model: 02, stepping: 00)
>
> (of course, I have the same board.) I don't have any page faults in dmesg
> or on boot. In /etc/default/grub, I have
> GRUB_CMDLINE_LINUX_DEFAULT="iommu=soft" (don't forget grub-mkconfig!).
>
> I did have these kinds of errors earlier, but I don't remember what my
> configuration was. I'm pretty sure it had something to do with iommu. Good
> luck!
>
> Aaron
>
I'm running a Gigabyte 970A-D3P, and with "iommu=soft" kernel parameter set
up, I don't have those errors either. (I did have them before turning iommu
on in bios and setting the kernel parameter).