Spontaneous reboots when using RX 560

[Alex Deucher]

Does disabling the IOMMU help?  E.g., append IOMMU=off or IOMMU=pt on
the kernel command line in grub.

Alex

On Fri, Oct 18, 2019 at 8:06 AM Sylvain Munaut <246tnt at gmail.com> wrote:
>
> Hi Christian,
>
>
> > I would also test if disabling power features helps as well, try to add
> > amdgpu.pg_mask=0 and amdgpu.cg_mask=0 to the kernel command line for
> > example.
>
> Thanks for the suggestion.
> Just tried this, no luck. Also tried 'runpm=0' (but apparently that's
> for laptop only so ...)
>
> Even with cg_mask=0, I still see this in amdgpu_pm_info, not sure if
> that's expected of if somehow the option was ignored ?
>
> ----
> Clock Gating Flags Mask: 0x16b00
>         Graphics Medium Grain Clock Gating: Off
>         Graphics Medium Grain memory Light Sleep: Off
>         Graphics Coarse Grain Clock Gating: Off
>         Graphics Coarse Grain memory Light Sleep: Off
>         Graphics Coarse Grain Tree Shader Clock Gating: Off
>         Graphics Coarse Grain Tree Shader Light Sleep: Off
>         Graphics Command Processor Light Sleep: Off
>         Graphics Run List Controller Light Sleep: Off
>         Graphics 3D Coarse Grain Clock Gating: Off
>         Graphics 3D Coarse Grain memory Light Sleep: Off
>         Memory Controller Light Sleep: On
>         Memory Controller Medium Grain Clock Gating: On
>         System Direct Memory Access Light Sleep: Off
>         System Direct Memory Access Medium Grain Clock Gating: On
>         Bus Interface Medium Grain Clock Gating: Off
>         Bus Interface Light Sleep: Off
>         Unified Video Decoder Medium Grain Clock Gating: On
>         Video Compression Engine Medium Grain Clock Gating: On
>         Host Data Path Light Sleep: Off
>         Host Data Path Medium Grain Clock Gating: On
>         Digital Right Management Medium Grain Clock Gating: Off
>         Digital Right Management Light Sleep: Off
>         Rom Medium Grain Clock Gating: Off
>         Data Fabric Medium Grain Clock Gating: Off
>         Address Translation Hub Medium Grain Clock Gating: Off
>         Address Translation Hub Light Sleep: Off
>
> GFX Clocks and Power:
>         300 MHz (MCLK)
>         214 MHz (SCLK)
>         387 MHz (PSTATE_SCLK)
>         625 MHz (PSTATE_MCLK)
>         775 mV (VDDGFX)
>         7.254 W (average GPU)
>
> GPU Temperature: 34 C
> GPU Load: 0 %
> MEM Load: 6 %
>
> UVD: Disabled
>
> VCE: Disabled
> ----
>
> I'm not really sure what to try next. I unfortunately don't have
> access to any other card or any other motherboard I could use to test
> :/
> (Or anything fancy like pcie bus analyzer or stuff like that).
>
> My understanding of the first error message that shows up is that the
> card itself tries to make an access to a memory zone it's not allowed
> to right ?
> [  144.311704] amdgpu 0000:06:00.0: AMD-Vi: Event logged
> [IO_PAGE_FAULT domain=0x0000 address=0xa076010100 flags=0x0010]
>
> Cheers,
>
>     Sylvain