Enable vc4 and v3d for Raspberry Pi graphics in AlmaLinux (Resolves: https://github.com/AlmaLinux/raspberry-pi/issues/32)
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@ -0,0 +1,74 @@
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From 17ab0f2ece0a45dd5df507a466ecf6f40d452e1a Mon Sep 17 00:00:00 2001
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From: Lucas Fryzek <lfryzek@igalia.com>
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Date: Wed, 3 Dec 2025 19:33:57 -0500
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Subject: [PATCH 1/2] drisw: Modify drisw_swap_buffers_with_damage to swap
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entire buffer
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When swapping buffer with damage regions, to be strictly correct we
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need to swap the entire back buffer to the front buffer. This needs to
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be done in case the compositor does not support damage regions. This
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means we need to ignore the input damage region and tell drisw to swap
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the entire buffer.
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Cc: mesa-stable
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Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38817>
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---
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src/gallium/frontends/dri/drisw.c | 28 ++++++++--------------------
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1 file changed, 8 insertions(+), 20 deletions(-)
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diff --git a/src/gallium/frontends/dri/drisw.c b/src/gallium/frontends/dri/drisw.c
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index 4359ca569e5..394b6986832 100644
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--- a/src/gallium/frontends/dri/drisw.c
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+++ b/src/gallium/frontends/dri/drisw.c
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@@ -225,6 +225,13 @@ drisw_copy_to_front(struct pipe_context *pipe,
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static void
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drisw_swap_buffers_with_damage(struct dri_drawable *drawable, int nrects, const int *rects)
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{
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+ /* Damage regions still require us to update the whole front buffer
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+ * in case the compositor doesn't obey them, so we will just ignore
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+ * the passed in damage regions and swap the whole buffer
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+ */
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+ (void)nrects;
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+ (void)rects;
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+
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struct dri_context *ctx = dri_get_current();
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struct dri_screen *screen = drawable->screen;
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struct pipe_resource *ptex;
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@@ -242,25 +249,6 @@ drisw_swap_buffers_with_damage(struct dri_drawable *drawable, int nrects, const
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if (ptex) {
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struct pipe_fence_handle *fence = NULL;
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- struct pipe_box stack_boxes[64];
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- if (nrects > ARRAY_SIZE(stack_boxes))
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- nrects = 0;
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- if (nrects) {
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- for (unsigned int i = 0; i < nrects; i++) {
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- const int *rect = &rects[i * 4];
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-
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- int w = MIN2(rect[2], ptex->width0);
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- int h = MIN2(rect[3], ptex->height0);
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- int x = CLAMP(rect[0], 0, ptex->width0);
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- int y = CLAMP(ptex->height0 - rect[1] - h, 0, ptex->height0);
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-
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- if (h > ptex->height0 - y)
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- h = ptex->height0 - y;
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-
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- u_box_2d(x, y, w, h, &stack_boxes[i]);
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- }
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- }
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-
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if (ctx->pp)
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pp_run(ctx->pp, ptex, ptex, drawable->textures[ST_ATTACHMENT_DEPTH_STENCIL]);
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@@ -279,7 +267,7 @@ drisw_swap_buffers_with_damage(struct dri_drawable *drawable, int nrects, const
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screen->base.screen->fence_finish(screen->base.screen, ctx->st->pipe,
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fence, OS_TIMEOUT_INFINITE);
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screen->base.screen->fence_reference(screen->base.screen, &fence, NULL);
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- drisw_copy_to_front(ctx->st->pipe, drawable, ptex, nrects, nrects ? stack_boxes : NULL);
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+ drisw_copy_to_front(ctx->st->pipe, drawable, ptex, 0, NULL);
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drawable->buffer_age = 1;
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/* TODO: remove this if the framebuffer state doesn't change. */
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--
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2.52.0
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@ -0,0 +1,72 @@
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From 48799005d7f3b099cb2e93d09ce6dc211f619887 Mon Sep 17 00:00:00 2001
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From: Lucas Fryzek <lfryzek@igalia.com>
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Date: Wed, 3 Dec 2025 19:19:56 -0500
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Subject: [PATCH 2/2] Revert "drisw: Copy entire buffer ignoring damage
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regions"
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This reverts commit 755e795e4c0d2660129c14998425f7dd3299bdf9.
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Cc: mesa-stable
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Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38817>
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---
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src/gallium/winsys/sw/dri/dri_sw_winsys.c | 38 +++++++++++++++++------
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1 file changed, 29 insertions(+), 9 deletions(-)
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diff --git a/src/gallium/winsys/sw/dri/dri_sw_winsys.c b/src/gallium/winsys/sw/dri/dri_sw_winsys.c
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index 7d18b6138ea..0b2c8754ec5 100644
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--- a/src/gallium/winsys/sw/dri/dri_sw_winsys.c
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+++ b/src/gallium/winsys/sw/dri/dri_sw_winsys.c
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@@ -352,21 +352,41 @@ dri_sw_displaytarget_display(struct sw_winsys *ws,
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struct dri_sw_winsys *dri_sw_ws = dri_sw_winsys(ws);
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struct dri_sw_displaytarget *dri_sw_dt = dri_sw_displaytarget(dt);
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struct dri_drawable *dri_drawable = (struct dri_drawable *)context_private;
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- unsigned width, height;
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+ unsigned width, height, x = 0, y = 0;
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unsigned blsize = util_format_get_blocksize(dri_sw_dt->format);
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bool is_shm = dri_sw_dt->shmid != -1;
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/* Set the width to 'stride / cpp'.
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*
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* PutImage correctly clips to the width of the dst drawable.
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*/
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- width = dri_sw_dt->stride / blsize;
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- height = dri_sw_dt->height;
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- if (is_shm)
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- dri_sw_ws->lf->put_image_shm(dri_drawable, dri_sw_dt->shmid, dri_sw_dt->data, 0, 0,
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- 0, 0, width, height, dri_sw_dt->stride);
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- else
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- dri_sw_ws->lf->put_image(dri_drawable, dri_sw_dt->data, width, height);
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- return;
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+ if (!nboxes) {
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+ width = dri_sw_dt->stride / blsize;
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+ height = dri_sw_dt->height;
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+ if (is_shm)
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+ dri_sw_ws->lf->put_image_shm(dri_drawable, dri_sw_dt->shmid, dri_sw_dt->data, 0, 0,
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+ 0, 0, width, height, dri_sw_dt->stride);
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+ else
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+ dri_sw_ws->lf->put_image(dri_drawable, dri_sw_dt->data, width, height);
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+ return;
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+ }
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+ for (unsigned i = 0; i < nboxes; i++) {
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+ unsigned offset = dri_sw_dt->stride * box[i].y;
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+ unsigned offset_x = box[i].x * blsize;
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+ char *data = dri_sw_dt->data + offset;
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+ x = box[i].x;
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+ y = box[i].y;
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+ width = box[i].width;
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+ height = box[i].height;
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+ if (is_shm) {
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+ /* don't add x offset for shm, the put_image_shm will deal with it */
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+ dri_sw_ws->lf->put_image_shm(dri_drawable, dri_sw_dt->shmid, dri_sw_dt->data, offset, offset_x,
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+ x, y, width, height, dri_sw_dt->stride);
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+ } else {
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+ data += offset_x;
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+ dri_sw_ws->lf->put_image2(dri_drawable, data,
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+ x, y, width, height, dri_sw_dt->stride);
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+ }
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+ }
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}
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static void
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--
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2.52.0
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@ -73,7 +73,7 @@ Name: mesa
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Summary: Mesa graphics libraries
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%global ver 25.0.7
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Version: %{lua:ver = string.gsub(rpm.expand("%{ver}"), "-", "~"); print(ver)}
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Release: 3%{?dist}.alma.1
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Release: 4%{?dist}.alma.1
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License: MIT AND BSD-3-Clause AND SGI-B-2.0
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URL: http://www.mesa3d.org
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@ -132,6 +132,10 @@ Patch50: 0001-Revert-hasvk-elk-stop-turning-load_push_constants-in.patch
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# Fix direct gl calls
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Patch12: 0001-glx-don-t-call-GL-functions-directly-use-the-current.patch
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# Fix performance issue with Xorg
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Patch60: 0001-drisw-Modify-drisw_swap_buffers_with_damage-to-swap-.patch
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Patch61: 0002-Revert-drisw-Copy-entire-buffer-ignoring-damage-regi.patch
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# Build our own version but keep the dependency for the RPM macros
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BuildRequires: meson
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BuildRequires: gcc
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@ -852,10 +856,13 @@ popd
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%endif
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%changelog
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* Tue Nov 11 2025 Koichiro Iwao <meta@almalinux.org> - 25.0.7-3.alma.1
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* Tue Feb 17 2026 Koichiro Iwao <meta@almalinux.org> - 25.0.7-4.alma.1
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- Enable vc4 and v3d for Raspberry Pi graphics in AlmaLinux (Resolves:
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https://github.com/AlmaLinux/raspberry-pi/issues/32)
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* Tue Jan 6 2026 Jocelyn Falempe <jfalempe@redhat.com - 25.0.7-4
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- Resolves: https://issues.redhat.com/browse/RHEL-138704
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* Thu Sep 18 2025 Jocelyn Falempe <jfalempe@redhat.com> - 25.0.7-3
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- Fix black screen on ppc64le
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Resolves: https://issues.redhat.com/browse/RHEL-113831
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