[Mesa-users] Radeon VM Fault crash with Unreal Engine 4.17

[Brian Paul]

On 07/30/2017 09:06 PM, newin wrote:
> Hi,
> Well first I am not really sure if this is the right place to talk about
> this but the mailing list says "Newbie questions are OK".
> A few days ago I tried to install Unreal Engine 4.17 on a carrizo APU
> and I got a instant freeze of the PC (using amdgpu driver) and today I
> tried the same UE4.17 with a Cape Verde GPU with a radeon driver. After
> talking a bit with awesome guys on #UE4Linux I could finally got more
> info than "it freeze" (run ./UE4Editor with -NOSPLASH) and it seems that
> the kernel land driver is crashing.
> Here is my dmesg:
> pastebin.com/raw/aM12R49K
> my cat /var/log/Xorg.0.log | grep EE look like this:
> pastebin.com/raw/m33JZ19n
>
> I have found some bugs with a bit similar symptoms like this
> one: bugs.freedesktop.org/show_bug.cgi?id=101977 but nothing exactly
> like my problem (which is weird because I can reproduce it excactly on
> two different PC)
> I am using Gentoo 4.12.4 with mesa 17.1.5, llvm 4.0.1 and X11 1.19.3.
> Should I report this bug ? Is it already a known bug and I missed the
> related bug-traker post ?
> How can I help to solve this ?
> And last but not the least: Does mesa devs also write kernel land
> drivers or I should use the linux kernel mailing list ?

I suggest filing a bug for this with all the above info.

The Mesa devs also take care of the kernel drivers/modules.

-Brian