** Tags added: amdgpu
** Summary changed:
- wayland black screen with white flashes, display corruption, kernel 5.13
+ [amdgpu] wayland black screen with white flashes, display corruption, kernel
5.13
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I could not apply patches from freedesktop bugtracker as kernel revision
in ubuntu is quite different from mainline
resolved after I disabled secure boot and installed latest 5.14
mainline builds - https://kernel.ubuntu.com/~kernel-
ppa/mainline/v5.14.12/
also bug with brightness is gone in
https://gitlab.freedesktop.org/drm/amd/-/issues/1644
** Bug watch added: gitlab.freedesktop.org/drm/amd/-/issues #1644
https://gitlab.freedesktop.org/drm/amd/-/issues/1644
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linux kernel log with drm.debug=14 log_buf_len=16M added to cmd line
issue is with eDP display, which should be 1366*768
[drm:drm_helper_probe_single_connector_modes [drm_kms_helper]]
[CONNECTOR:49:eDP-1] probed modes :
[drm:drm_mode_debug_printmodeline [drm]] Modeline "1366x768": 60 76300
issue affects only main integrated display of notebook, external HDMI
display worked fine
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https://bugs.launchpad.net/bugs/1947453
Title:
wayland black screen with white
reproduced again with fresh notebook boot, dm prompt display fine, but after
choosing login and session type(wayland) and password, display goes black with
white flashes (either horizontal or vertical).
after booting old 5.11 kernel, which works fine in wayland session, restart
with 5.13
** Summary changed:
- wayland black screen with white flashes, display corruption, kernel 5.13
+ wayland black screen with white flashes, display corruption, kernel 5.13,
when returning from sleep
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apport information
** Package changed: wayland (Ubuntu) => linux (Ubuntu)
** Tags added: apport-collected wayland-session
** Description changed:
After upgrade from ubuntu 21.04 to ubuntu 21.10 I am seeing black screen
in wayland session and screen corruption in Xorg session
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