Same problem as described before.
To force I use timeout 1 and theme fade-in. But same problem also occurred at
my PC with the default timeout 5, as was on the trace.
I will upload the crashdump (which by default was ignored by apport).
Routine ply_renderer_free does a hard free of renderer. So renderer cannot be
referenced later at deactivation of keyboard, because the memory might be
overwritten.
I wrote a routine which shlould be called before ply_renderer_free:
void
ply_device_manager_deactivate_keyboard (ply_device_manager_t *manager,
ply_renderer_t *renderer)
{
ply_list_node_t *node;
node = ply_list_get_first_node (manager->keyboards);
while (node != NULL) {
ply_keyboard_t *keyboard;
ply_list_node_t *next_node;
keyboard = ply_list_node_get_data (node);
next_node = ply_list_get_next_node (manager->keyboards, node);
if (ply_keyboard_get_renderer (keyboard) == renderer) {
ply_trace ("deactivating keyboard");
ply_keyboard_stop_watching_for_input (keyboard);
ply_list_remove_node (manager->keyboards, node);
break;
}
node = next_node;
}
}
At ply-keyboard.c:
c
ply_renderer_t *
ply_keyboard_get_renderer (ply_keyboard_t *keyboard)
{
assert (keyboard != NULL);
return keyboard->provider.if_renderer->renderer;
}
** Attachment added: "_sbin_plymouthd.0_33.crash.gz"
https://bugs.launchpad.net/ubuntu/+source/plymouth/+bug/1794292/+attachment/5210569/+files/_sbin_plymouthd.0_33.crash.gz
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https://bugs.launchpad.net/bugs/1794292
Title:
plymouthd crashed with SIGSEGV in /sbin/plymouthd:11 in
ply_renderer_set_handler_for_input_source ->
ply_keyboard_stop_watching_for_renderer_input ->
ply_keyboard_stop_watching_for_input ->
ply_device_manager_deactivate_keyboards -> on_deactivate
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