drm-i915kms + x11-intel eats out all of the ram and swap but not with x11-scfb

Niclas Zeising zeising+freebsd at daemonic.se
Tue Apr 14 12:15:11 UTC 2020

On 2020-04-14 13:57, Tomasz CEDRO wrote:
> Hello world :-)
> I have noticed some bad thing with the X11 Intel driver (12.1-RELEASE
> AMD64 with latest intel driver from 2018???) - it eats out all of the
> RAM, then it eats all of the SWAP, then system gets unusable for
> anything except hard reset :-( This happens when it works together
> with latest DRM i915KMS. On hard computer use that means workstation
> gets useless in around 15 minutes. Closing applications does not free
> the memory resources, once it get some some it never returns.

Which driver are you talking about? xf86-video-intel or drm-fbsd12.0-kmod?

> I have set the UXA as the default for i5-5300U CPU.
> On the other hand the DRM i915kms works fine with SCFB on the same
> load and hardware. I am working on DRM + i915kms + SCFB so far.

If you are using SCFB, you are not using i915kms.

> This is why I suspect problem with X11-INTEL driver? Maybe it does not
> like latest Xorg changes?
> I also sometimes get this DRM warning on the dmesg:
> [drm] Reducing the compressed framebuffer size. This may lead to less
> power savings than a non-reduced-size. Try to increase stolen memory
> size if available in BIOS.

This is unrelated to this issue.

Have you tried using the modesetting xorg driver instead?

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