Public bug reported:
laptop running xubuntu 22.04.4, logged into xubuntu session.
xfce4-screensaver 4.16.0-1
weston 9.0.0-4ubuntu1
firefox 125.0.3-1 (snap)
Run firefox.
In terminal: tail -f /var/log/syslog
In another terminal: weston
Lock the screen by hotkey calling: xflock4
Press key to bring up dialog but only black shows - can see backlight
periodically turning on/off and flashes of cursor when pressing keys.
Ctrl-Alt-F1; login; pkill weston; Alt-F7 back to locked session.
Now unlocking works normally again.
However, after unlocking, many firefox empty windows have been created.
/var/log/syslog shows new output:
May 9 02:02:55 hostname kernel: [387457.737377] xfce4-screensav[355062]:
segfault at 7fda00000084 ip 00007fdac936052f sp 00007ffd6783c1a0 error 4 in
libgdk-3.so.0.2404.29[7fdac9324000+83000]
May 9 02:02:55 hostname kernel: [387457.737387] Code: 57 82 fc ff 49 8b 9c 24
70 01 00 00 48 85 db 74 4e 49 89 c5 eb 0a 0f 1f 44 00 00 48 85 db 74 3f 48 8b
2b 48 89 de 48 8b 5b 08 <48> 8b 45 08 48 85 c0 74 e8 4c 39 e8 7f e3 49 8b bc 24
70 01 00 00
May 9 02:02:55 hostname xfce4-screensav[2995]: g_object_ref: assertion
'G_IS_OBJECT (object)' failed
May 9 02:02:57 hostname kernel: [387459.627666] xfce4-screensav[355067]:
segfault at 25800000418 ip 0000559c184c2e59 sp 00007ffc0b3c1370 error 4 in
xfce4-screensaver-dialog[559c184be000+e000]
May 9 02:02:57 hostname kernel: [387459.627676] Code: 48 8d 74 24 30 4c 89 e7
e8 c4 cb ff ff 8b 4c 24 38 44 8b 44 24 3c 4c 89 ef 89 4c 24 1c 44 89 44 24 10
e8 7a dc ff ff 4c 89 ef <44> 8b 60 18 e8 6e dc ff ff 44 8b 4c 24 08 44 8b 44 24
10 4c 89 ff
May 9 02:03:01 hostname kernel: [387464.025803] xfce4-screensav[355081]:
segfault at 25800000418 ip 00005646542f7e59 sp 00007ffeed5fe800 error 4 in
xfce4-screensaver-dialog[5646542f3000+e000]
May 9 02:03:01 hostname kernel: [387464.025813] Code: 48 8d 74 24 30 4c 89 e7
e8 c4 cb ff ff 8b 4c 24 38 44 8b 44 24 3c 4c 89 ef 89 4c 24 1c 44 89 44 24 10
e8 7a dc ff ff 4c 89 ef <44> 8b 60 18 e8 6e dc ff ff 44 8b 4c 24 08 44 8b 44 24
10 4c 89 ff
May 9 02:03:03 hostname kernel: [387466.135825] xfce4-screensav[355094]:
segfault at 25800000418 ip 0000557eccebee59 sp 00007ffc5a202b10 error 4 in
xfce4-screensaver-dialog[557ecceba000+e000]
May 9 02:03:03 hostname kernel: [387466.135837] Code: 48 8d 74 24 30 4c 89 e7
e8 c4 cb ff ff 8b 4c 24 38 44 8b 44 24 3c 4c 89 ef 89 4c 24 1c 44 89 44 24 10
e8 7a dc ff ff 4c 89 ef <44> 8b 60 18 e8 6e dc ff ff 44 8b 4c 24 08 44 8b 44 24
10 4c 89 ff
May 9 02:03:07 hostname kernel: [387469.786031] xfce4-screensav[355107]:
segfault at 25800000418 ip 00005627b214be59 sp 00007ffc56cbb780 error 4 in
xfce4-screensaver-dialog[5627b2147000+e000]
May 9 02:03:07 hostname kernel: [387469.786041] Code: 48 8d 74 24 30 4c 89 e7
e8 c4 cb ff ff 8b 4c 24 38 44 8b 44 24 3c 4c 89 ef 89 4c 24 1c 44 89 44 24 10
e8 7a dc ff ff 4c 89 ef <44> 8b 60 18 e8 6e dc ff ff 44 8b 4c 24 08 44 8b 44 24
10 4c 89 ff
May 9 02:03:08 hostname kernel: [387471.125899] xfce4-screensav[355120]:
segfault at 25800000418 ip 0000558dad3b5e59 sp 00007fff8de7d090 error 4 in
xfce4-screensaver-dialog[558dad3b1000+e000]
May 9 02:03:08 hostname kernel: [387471.125909] Code: 48 8d 74 24 30 4c 89 e7
e8 c4 cb ff ff 8b 4c 24 38 44 8b 44 24 3c 4c 89 ef 89 4c 24 1c 44 89 44 24 10
e8 7a dc ff ff 4c 89 ef <44> 8b 60 18 e8 6e dc ff ff 44 8b 4c 24 08 44 8b 44 24
10 4c 89 ff
May 9 02:03:09 hostname wireplumber[2810]: [string
"policy-bluetooth.lua"]:121: bad argument #1 to 'find' (string expected, got
nil)#012stack traceback:#012#011[C]: in function 'string.find'#012#011[string
"policy-bluetooth.lua"]:121: in upvalue 'isBluez5AudioSink'#012#011[string
"policy-bluetooth.lua"]:389: in function <[string "policy-bluetooth.lua"]:387>
May 9 02:03:09 hostname systemd[2801]: Started
snap.firefox.firefox-caf74e0d-aff8-419d-9e3c-44aabb8abacb.scope.
May 9 02:03:09 hostname systemd[2801]: Started
snap.firefox.firefox-254eb60d-01c9-4a44-9558-825d8954d937.scope.
May 9 02:03:09 hostname systemd[2801]: Started
snap.firefox.firefox-0cb163b8-0ef8-4e3c-94e7-8cfc3f1873b0.scope.
May 9 02:03:09 hostname systemd[2801]: Started
snap.firefox.firefox-56b82216-0fe6-4bc2-afee-c1ebb971e98a.scope.
May 9 02:03:10 hostname systemd[2801]: Started
snap.firefox.firefox-ccecdc0f-7743-4791-bd4a-f53a4e64b9ff.scope.
May 9 02:03:13 hostname wireplumber[2810]: SPA handle 'api.bluez5.enum.dbus'
could not be loaded; is it installed?
May 9 02:03:13 hostname wireplumber[2810]: PipeWire's BlueZ SPA missing or
broken. Bluetooth not supported.
May 9 02:03:14 hostname systemd[2801]: Started
snap.firefox.firefox-8702c3ef-c11f-4c45-bb50-0a3873dd084c.scope.
May 9 02:03:14 hostname systemd[2801]: Started
snap.firefox.firefox-8c3507de-27d0-4af8-88cc-c5ce8bb6438c.scope.
May 9 02:03:14 hostname systemd[2801]: Started
snap.firefox.firefox-d43f024e-731a-4b55-ba1b-5ce97f58c116.scope.
May 9 02:03:14 hostname systemd[2801]: Started
snap.firefox.firefox-a6dce45f-4490-43ba-b958-3c06a1d50169.scope.
May 9 02:03:14 hostname systemd[2801]: Started
snap.firefox.firefox-4dfe3c08-bab0-4099-b933-93aef63f3b3c.scope.
** Affects: xfce4-screensaver (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2065234
Title:
can't unlock and xfce4-screensaver-dialog segfaults if weston running
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