Zoom application freezes post Screen Sharing

[nitin88]

Hi,

This is specific to Cosmic and same version works fine on GNOME.

Easy to reproduce:

1. Start Screen Sharing and stop it after few seconds.
2. Entire Zoom application freezes as well as cosmc compositor.

Dec 29 09:59:48 fedora cosmic-comp[36483]: Failed to handle X11 event
Dec 29 09:59:50 fedora cosmic-comp[36483]: Toplevel for foreign-toplevel-list not registered for cosmic-toplevel-info.
Dec 29 09:59:50 fedora cosmic-comp[36483]: Toplevel for foreign-toplevel-list not registered for cosmic-toplevel-info.
Dec 29 09:59:50 fedora cosmic-comp[36483]: Toplevel for foreign-toplevel-list not registered for cosmic-toplevel-info.
Dec 29 09:59:50 fedora cosmic-comp[36483]: Toplevel for foreign-toplevel-list not registered for cosmic-toplevel-info.
Dec 29 09:59:50 fedora cosmic-comp[36483]: Toplevel for foreign-toplevel-list not registered for cosmic-toplevel-info.
Dec 29 09:59:50 fedora cosmic-comp[36483]: Toplevel for foreign-toplevel-list not registered for cosmic-toplevel-info.
Dec 29 09:59:50 fedora cosmic-comp[36483]: Toplevel for foreign-toplevel-list not registered for cosmic-toplevel-info.
Dec 29 09:59:50 fedora cosmic-comp[36483]: Toplevel for foreign-toplevel-list not registered for cosmic-toplevel-info.
Dec 29 09:59:50 fedora cosmic-comp[36483]: Toplevel for foreign-toplevel-list not registered for cosmic-toplevel-info.
Dec 29 09:59:50 fedora cosmic-comp[36483]: Toplevel for foreign-toplevel-list not registered for cosmic-toplevel-info.
Dec 29 09:59:50 fedora cosmic-comp[36483]: Toplevel for foreign-toplevel-list not registered for cosmic-toplevel-info.
Dec 29 09:59:50 fedora cosmic-comp[36483]: Toplevel for foreign-toplevel-list not registered for cosmic-toplevel-info.
Dec 29 09:59:50 fedora cosmic-comp[36483]: Toplevel for foreign-toplevel-list not registered for cosmic-toplevel-info.

And xdg-desktop-portal

Dec 29 10:00:28 fedora xdg-desktop-portal-cosmic[37641]: [2025-12-29T04:30:28Z WARN  wgpu_hal::vulkan::conv] Unrecognized present mode 1000361000
Dec 29 10:00:28 fedora xdg-desktop-portal-cosmic[37641]: [2025-12-29T04:30:28Z WARN  wgpu_hal::vulkan::conv] Unrecognized present mode 1000361000
Dec 29 10:00:28 fedora xdg-desktop-portal-cosmic[37641]: [2025-12-29T04:30:28Z WARN  wgpu_hal::vulkan::conv] Unrecognized present mode 1000361000
Dec 29 10:00:28 fedora xdg-desktop-portal-cosmic[37641]: [2025-12-29T04:30:28Z WARN  wgpu_hal::vulkan] Suboptimal present of frame 0
Dec 29 10:00:28 fedora xdg-desktop-portal-cosmic[37641]: [2025-12-29T04:30:28Z WARN  wgpu_hal::vulkan] Suboptimal present of frame 1
Dec 29 10:00:28 fedora xdg-desktop-portal-cosmic[37641]: [2025-12-29T04:30:28Z WARN  wgpu_hal::vulkan] Suboptimal present of frame 0
Dec 29 10:00:28 fedora xdg-desktop-portal-cosmic[37641]: [2025-12-29T04:30:28Z WARN  wgpu_hal::vulkan::conv] Unrecognized present mode 1000361000
Dec 29 10:00:31 fedora /usr/libexec/xdg-desktop-portal[63788]: g_variant_new_string: assertion 'string != NULL' failed
Dec 29 10:00:31 fedora /usr/libexec/xdg-desktop-portal[63788]: g_variant_new_variant: assertion 'value != NULL' failed
Dec 29 10:00:31 fedora /usr/libexec/xdg-desktop-portal[63788]: g_variant_get_type: assertion 'value != NULL' failed
Dec 29 10:00:31 fedora /usr/libexec/xdg-desktop-portal[63788]: g_variant_type_is_subtype_of: assertion 'g_variant_type_check (type)' failed
Dec 29 10:00:31 fedora /usr/libexec/xdg-desktop-portal[63788]: g_variant_builder_add_value: assertion '!GVSB(builder)->expected_type || g_variant_is_of_type (value, GVSB(builder)->expected_type)' failed
Dec 29 10:00:31 fedora /usr/libexec/xdg-desktop-portal[63788]: g_variant_builder_end: assertion 'GVSB(builder)->offset >= GVSB(builder)->min_items' failed
Dec 29 10:00:31 fedora /usr/libexec/xdg-desktop-portal[63788]: g_variant_get_type: assertion 'value != NULL' failed
Dec 29 10:00:31 fedora /usr/libexec/xdg-desktop-portal[63788]: g_variant_type_is_subtype_of: assertion 'g_variant_type_check (type)' failed
Dec 29 10:00:31 fedora /usr/libexec/xdg-desktop-portal[63788]: g_variant_builder_add_value: assertion '!GVSB(builder)->expected_type || g_variant_is_of_type (value, GVSB(builder)->expected_type)' failed