On Sun, Nov 14, 2021 at 05:25:32PM +0100, Matthieu Herrb wrote:
> Hi,
>
> after the upgrade to X server 21.1.1, some people reported crashes in
> the radeon driver when using xrandr(1) or a similar utility.
>
> If you are seeing these crashes, please test the patch below (copied
> for a similar "fix" in the amdgpu(4) driver)
>
> get the xenocara sources if you don't alreaady, apply the patch in the
> driver/xf86-video-ati directory and there run (as root)
>
> make -f Makefile.bsd-wrapper obj
> make -f Makefile.bsd-wrapper build
>
> Then restart xenodm and try the xrandr invocation again.
>
> Please report success or failure.
Ping. .
Anyone tried this patch ?
This is not the bug that happens semi-randomly on mouse button events,
but still, if you have a Radeon card and are using xrandr(1) to setup
multiple monitors, you're likely to hit that bug....
>
> Index: src/radeon_kms.c
> ===================================================================
> RCS file: /cvs/OpenBSD/xenocara/driver/xf86-video-ati/src/radeon_kms.c,v
> retrieving revision 1.21
> diff -u -p -u -r1.21 radeon_kms.c
> --- src/radeon_kms.c 11 Nov 2021 09:30:14 -0000 1.21
> +++ src/radeon_kms.c 14 Nov 2021 16:16:08 -0000
> @@ -931,6 +931,13 @@ radeon_dirty_update(ScrnInfoPtr scrn)
> }
> }
>
> +static void
> +radeonSourceValidate(DrawablePtr draw, int x, int y, int w, int h,
> + unsigned int subWindowMode)
> +{
> +}
> +
> +
>
> Bool
> radeon_scanout_do_update(xf86CrtcPtr xf86_crtc, int scanout_id,
> @@ -993,7 +1000,7 @@ radeon_scanout_do_update(xf86CrtcPtr xf8
> SetPicturePictFilter(src, xf86_crtc->filter, xf86_crtc->params,
> xf86_crtc->nparams);
>
> - pScreen->SourceValidate = NULL;
> + pScreen->SourceValidate = radeonSourceValidate;
> CompositePicture(PictOpSrc,
> src, NULL, dst,
> extents.x1, extents.y1, 0, 0, extents.x1,
>
>
> --
> Matthieu Herrb
--
Matthieu Herrb
