https://bugs.kde.org/show_bug.cgi?id=517490
Captain Cheese <[email protected]> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |legendary.captain.cheese@gm | |ail.com --- Comment #14 from Captain Cheese <[email protected]> --- (In reply to David from comment #11) > Running on CachyOS, same system for which I sent the logs before. Now the > background is not rendered black, the password field and the buttons appear, > but if I fill and submit the password field gets disabled and the login > prompt is stuck. The buttons react to hover and clicks but nothing happens. > After some inactivity they disappear and the screen turns completely black, > the form reappears when interacting with mouse or keyboard. Starting with > the display on is completely normal. I used to have this problem too in the past: whenever I booted up my system with the monitor turned off, the system would get stuck on a black screen after turning on the monitor again. But now it behaves exactly as you're describing it: black background with the password field and power options that don't work. I noticed that if you're in a working session and you log off and then turn off the monitor, the same bug happens after you turn on the monitor back. In my case I use Arch Linux on Wayland + a DP. Here's my log: PID: 1141 (plasma-login-gr) UID: 957 (plasmalogin) GID: 957 (plasmalogin) Signal: 11 (SEGV) Timestamp: Wed 2026-05-06 23:42:35 CEST (1 week 3 days ago) Command Line: /usr/lib/plasma-login-greeter Executable: /usr/lib/plasma-login-greeter Control Group: /user.slice/user-957.slice/[email protected]/session.slice/plasma-login.service Unit: [email protected] User Unit: plasma-login.service Slice: user-957.slice Owner UID: 957 (plasmalogin) Boot ID: 30759b34b6ec4180b29be0e8ff688cbe Machine ID: a3239e86264e4e7d914554680b1bb203 Hostname: survivor Storage: /var/lib/systemd/coredump/core.plasma-login-gr.957.30759b34b6ec4180b29be0e8ff688cbe.1141.1778103755000000.zst (inaccessible) Message: Process 1141 (plasma-login-gr) of user 957 dumped core. Stack trace of thread 1141: #0 0x00007fdb7a824174 _ZNK7QWindow6screenEv (libQt6Gui.so.6 + 0x224174) #1 0x00005567b5b8f52e n/a (/usr/lib/plasma-login-greeter + 0xe52e) #2 0x00007fdb79fecc9b n/a (libQt6Core.so.6 + 0x1ecc9b) #3 0x00007fdb7a838a02 _ZN22QWindowSystemInterface19handleScreenRemovedEP15QPlatformScreen (libQt6Gui.so.6 + 0x238a02) #4 0x00007fdb79d5cade _ZN15QtWaylandClient15QWaylandDisplay23handleScreenInitializedEPNS_14QWaylandScreenE (libQt6WaylandClient.so.6 + 0x77ade) #5 0x00007fdb79d8c2a6 _ZN15QtWaylandClient14QWaylandScreen15maybeInitializeEv (libQt6WaylandClient.so.6 + 0xa72a6) #6 0x00007fdb7947dac6 n/a (libffi.so.8 + 0x7ac6) #7 0x00007fdb7947a76b n/a (libffi.so.8 + 0x476b) #8 0x00007fdb7947d06e ffi_call (libffi.so.8 + 0x706e) #9 0x00007fdb7c18e77d n/a (libwayland-client.so.0 + 0x477d) #10 0x00007fdb7c18f609 n/a (libwayland-client.so.0 + 0x5609) #11 0x00007fdb7c18fa13 wl_display_dispatch_queue_pending (libwayland-client.so.0 + 0x5a13) #12 0x00007fdb79d55526 _ZN15QtWaylandClient15QWaylandDisplay13flushRequestsEv (libQt6WaylandClient.so.6 + 0x70526) #13 0x00007fdb79fe41e6 _ZN7QObject5eventEP6QEvent (libQt6Core.so.6 + 0x1e41e6) #14 0x00007fdb79f802b8 _ZN16QCoreApplication15notifyInternal2EP7QObjectP6QEvent (libQt6Core.so.6 + 0x1802b8) #15 0x00007fdb79f806c1 _ZN23QCoreApplicationPrivate16sendPostedEventsEP7QObjectiP11QThreadData (libQt6Core.so.6 + 0x1806c1) #16 0x00007fdb7a29ea78 n/a (libQt6Core.so.6 + 0x49ea78) #17 0x00007fdb77eadbfd n/a (libglib-2.0.so.0 + 0x61bfd) #18 0x00007fdb77eafe57 n/a (libglib-2.0.so.0 + 0x63e57) #19 0x00007fdb77eaffe5 g_main_context_iteration (libglib-2.0.so.0 + 0x63fe5) #20 0x00007fdb7a29c202 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt6Core.so.6 + 0x49c202) #21 0x00007fdb79f8e583 _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt6Core.so.6 + 0x18e583) #22 0x00007fdb79f83b2a _ZN16QCoreApplication4execEv (libQt6Core.so.6 + 0x183b2a) #23 0x00005567b5b8cca0 n/a (/usr/lib/plasma-login-greeter + 0xbca0) #24 0x00007fdb79627741 n/a (libc.so.6 + 0x27741) #25 0x00007fdb79627879 __libc_start_main (libc.so.6 + 0x27879) #26 0x00005567b5b8d035 n/a (/usr/lib/plasma-login-greeter + 0xc035) Stack trace of thread 1164: #0 0x00007fdb796a0a52 n/a (libc.so.6 + 0xa0a52) #1 0x00007fdb79694abc n/a (libc.so.6 + 0x94abc) #2 0x00007fdb79694b04 n/a (libc.so.6 + 0x94b04) #3 0x00007fdb7970fff6 ppoll (libc.so.6 + 0x10fff6) #4 0x00007fdb77eafedf n/a (libglib-2.0.so.0 + 0x63edf) #5 0x00007fdb77eaffe5 g_main_context_iteration (libglib-2.0.so.0 + 0x63fe5) #6 0x00007fdb7a29c202 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt6Core.so.6 + 0x49c202) #7 0x00007fdb79f8e583 _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt6Core.so.6 + 0x18e583) #8 0x00007fdb7a0b6cc2 _ZN7QThread4execEv (libQt6Core.so.6 + 0x2b6cc2) #9 0x00007fdb7b0897d1 n/a (libQt6DBus.so.6 + 0x397d1) #10 0x00007fdb7a175e89 n/a (libQt6Core.so.6 + 0x375e89) #11 0x00007fdb796981b9 n/a (libc.so.6 + 0x981b9) #12 0x00007fdb7971d21c n/a (libc.so.6 + 0x11d21c) Stack trace of thread 1167: #0 0x00007fdb796a0a52 n/a (libc.so.6 + 0xa0a52) #1 0x00007fdb79694abc n/a (libc.so.6 + 0x94abc) #2 0x00007fdb79694b04 n/a (libc.so.6 + 0x94b04) #3 0x00007fdb7970f9ce __poll (libc.so.6 + 0x10f9ce) #4 0x00007fdb79d556e8 n/a (libQt6WaylandClient.so.6 + 0x706e8) #5 0x00007fdb7a175e89 n/a (libQt6Core.so.6 + 0x375e89) #6 0x00007fdb796981b9 n/a (libc.so.6 + 0x981b9) #7 0x00007fdb7971d21c n/a (libc.so.6 + 0x11d21c) Stack trace of thread 1166: #0 0x00007fdb796a0a52 n/a (libc.so.6 + 0xa0a52) #1 0x00007fdb79694abc n/a (libc.so.6 + 0x94abc) #2 0x00007fdb79694e07 n/a (libc.so.6 + 0x94e07) #3 0x00007fdb7969766c pthread_cond_wait (libc.so.6 + 0x9766c) #4 0x00007fdb7a16ea41 _ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt6Core.so.6 + 0x36ea41) #5 0x00007fdb79d55687 n/a (libQt6WaylandClient.so.6 + 0x70687) #6 0x00007fdb7a175e89 n/a (libQt6Core.so.6 + 0x375e89) #7 0x00007fdb796981b9 n/a (libc.so.6 + 0x981b9) #8 0x00007fdb7971d21c n/a (libc.so.6 + 0x11d21c) Stack trace of thread 1170: #0 0x00007fdb796a0a52 n/a (libc.so.6 + 0xa0a52) #1 0x00007fdb79694abc n/a (libc.so.6 + 0x94abc) #2 0x00007fdb79694e07 n/a (libc.so.6 + 0x94e07) #3 0x00007fdb7969766c pthread_cond_wait (libc.so.6 + 0x9766c) #4 0x00007fdb691ecb1e n/a (libgallium-26.0.6-arch1.1.so + 0x5ecb1e) #5 0x00007fdb691a1ebd n/a (libgallium-26.0.6-arch1.1.so + 0x5a1ebd) #6 0x00007fdb691eca5d n/a (libgallium-26.0.6-arch1.1.so + 0x5eca5d) #7 0x00007fdb796981b9 n/a (libc.so.6 + 0x981b9) #8 0x00007fdb7971d21c n/a (libc.so.6 + 0x11d21c) Stack trace of thread 1175: #0 0x00007fdb796a0a52 n/a (libc.so.6 + 0xa0a52) #1 0x00007fdb79694abc n/a (libc.so.6 + 0x94abc) #2 0x00007fdb79694e07 n/a (libc.so.6 + 0x94e07) #3 0x00007fdb7969766c pthread_cond_wait (libc.so.6 + 0x9766c) #4 0x00007fdb691ecb1e n/a (libgallium-26.0.6-arch1.1.so + 0x5ecb1e) #5 0x00007fdb691a1ebd n/a (libgallium-26.0.6-arch1.1.so + 0x5a1ebd) #6 0x00007fdb691eca5d n/a (libgallium-26.0.6-arch1.1.so + 0x5eca5d) #7 0x00007fdb796981b9 n/a (libc.so.6 + 0x981b9) #8 0x00007fdb7971d21c n/a (libc.so.6 + 0x11d21c) Stack trace of thread 1177: #0 0x00007fdb796a0a52 n/a (libc.so.6 + 0xa0a52) #1 0x00007fdb79694abc n/a (libc.so.6 + 0x94abc) #2 0x00007fdb79694e07 n/a (libc.so.6 + 0x94e07) #3 0x00007fdb7969766c pthread_cond_wait (libc.so.6 + 0x9766c) #4 0x00007fdb691ecb1e n/a (libgallium-26.0.6-arch1.1.so + 0x5ecb1e) #5 0x00007fdb691a1ebd n/a (libgallium-26.0.6-arch1.1.so + 0x5a1ebd) #6 0x00007fdb691eca5d n/a (libgallium-26.0.6-arch1.1.so + 0x5eca5d) #7 0x00007fdb796981b9 n/a (libc.so.6 + 0x981b9) #8 0x00007fdb7971d21c n/a (libc.so.6 + 0x11d21c) Stack trace of thread 1182: #0 0x00007fdb796a0a52 n/a (libc.so.6 + 0xa0a52) #1 0x00007fdb79694abc n/a (libc.so.6 + 0x94abc) #2 0x00007fdb79694e07 n/a (libc.so.6 + 0x94e07) #3 0x00007fdb7969766c pthread_cond_wait (libc.so.6 + 0x9766c) #4 0x00007fdb691ecb1e n/a (libgallium-26.0.6-arch1.1.so + 0x5ecb1e) #5 0x00007fdb691a1ebd n/a (libgallium-26.0.6-arch1.1.so + 0x5a1ebd) #6 0x00007fdb691eca5d n/a (libgallium-26.0.6-arch1.1.so + 0x5eca5d) #7 0x00007fdb796981b9 n/a (libc.so.6 + 0x981b9) #8 0x00007fdb7971d21c n/a (libc.so.6 + 0x11d21c) Stack trace of thread 1336: #0 0x00007fdb796a0a52 n/a (libc.so.6 + 0xa0a52) #1 0x00007fdb79694abc n/a (libc.so.6 + 0x94abc) #2 0x00007fdb79694b04 n/a (libc.so.6 + 0x94b04) #3 0x00007fdb7970fff6 ppoll (libc.so.6 + 0x10fff6) #4 0x00007fdb77eafedf n/a (libglib-2.0.so.0 + 0x63edf) #5 0x00007fdb77eaffe5 g_main_context_iteration (libglib-2.0.so.0 + 0x63fe5) #6 0x00007fdb7a29c202 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt6Core.so.6 + 0x49c202) #7 0x00007fdb79f8e583 _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt6Core.so.6 + 0x18e583) #8 0x00007fdb7a0b6cc2 _ZN7QThread4execEv (libQt6Core.so.6 + 0x2b6cc2) #9 0x00007fdb7a175f0d n/a (libQt6Core.so.6 + 0x375f0d) #10 0x00007fdb796981b9 n/a (libc.so.6 + 0x981b9) #11 0x00007fdb7971d21c n/a (libc.so.6 + 0x11d21c) Stack trace of thread 1181: #0 0x00007fdb796a0a52 n/a (libc.so.6 + 0xa0a52) #1 0x00007fdb79694abc n/a (libc.so.6 + 0x94abc) #2 0x00007fdb79694e07 n/a (libc.so.6 + 0x94e07) #3 0x00007fdb7969766c pthread_cond_wait (libc.so.6 + 0x9766c) #4 0x00007fdb691ecb1e n/a (libgallium-26.0.6-arch1.1.so + 0x5ecb1e) #5 0x00007fdb691a1ebd n/a (libgallium-26.0.6-arch1.1.so + 0x5a1ebd) #6 0x00007fdb691eca5d n/a (libgallium-26.0.6-arch1.1.so + 0x5eca5d) #7 0x00007fdb796981b9 n/a (libc.so.6 + 0x981b9) #8 0x00007fdb7971d21c n/a (libc.so.6 + 0x11d21c) Stack trace of thread 1183: #0 0x00007fdb796a0a52 n/a (libc.so.6 + 0xa0a52) #1 0x00007fdb79694abc n/a (libc.so.6 + 0x94abc) #2 0x00007fdb79694e07 n/a (libc.so.6 + 0x94e07) #3 0x00007fdb7969766c pthread_cond_wait (libc.so.6 + 0x9766c) #4 0x00007fdb691ecb1e n/a (libgallium-26.0.6-arch1.1.so + 0x5ecb1e) #5 0x00007fdb691a1ebd n/a (libgallium-26.0.6-arch1.1.so + 0x5a1ebd) #6 0x00007fdb691eca5d n/a (libgallium-26.0.6-arch1.1.so + 0x5eca5d) #7 0x00007fdb796981b9 n/a (libc.so.6 + 0x981b9) #8 0x00007fdb7971d21c n/a (libc.so.6 + 0x11d21c) Stack trace of thread 1178: #0 0x00007fdb796a0a52 n/a (libc.so.6 + 0xa0a52) #1 0x00007fdb79694abc n/a (libc.so.6 + 0x94abc) #2 0x00007fdb79694e07 n/a (libc.so.6 + 0x94e07) #3 0x00007fdb7969766c pthread_cond_wait (libc.so.6 + 0x9766c) #4 0x00007fdb691ecb1e n/a (libgallium-26.0.6-arch1.1.so + 0x5ecb1e) #5 0x00007fdb691a1ebd n/a (libgallium-26.0.6-arch1.1.so + 0x5a1ebd) #6 0x00007fdb691eca5d n/a (libgallium-26.0.6-arch1.1.so + 0x5eca5d) #7 0x00007fdb796981b9 n/a (libc.so.6 + 0x981b9) #8 0x00007fdb7971d21c n/a (libc.so.6 + 0x11d21c) Stack trace of thread 1250: #0 0x00007fdb796a0a52 n/a (libc.so.6 + 0xa0a52) #1 0x00007fdb79694abc n/a (libc.so.6 + 0x94abc) #2 0x00007fdb79694e07 n/a (libc.so.6 + 0x94e07) #3 0x00007fdb7969766c pthread_cond_wait (libc.so.6 + 0x9766c) #4 0x00007fdb691ecb1e n/a (libgallium-26.0.6-arch1.1.so + 0x5ecb1e) #5 0x00007fdb691a1ebd n/a (libgallium-26.0.6-arch1.1.so + 0x5a1ebd) #6 0x00007fdb691eca5d n/a (libgallium-26.0.6-arch1.1.so + 0x5eca5d) #7 0x00007fdb796981b9 n/a (libc.so.6 + 0x981b9) #8 0x00007fdb7971d21c n/a (libc.so.6 + 0x11d21c) ELF object binary architecture: AMD x86-64 -- You are receiving this mail because: You are watching all bug changes.
