[Wayland-bugs] [Bug 73566] SIGSEGV: vt-switching + logind + multi-head crashes weston

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=73566

--- Comment #8 from Bryce Harrington <b.harrington at samsung.com> ---
Looks like two different stack traces; perhaps two different bugs in a race
condition as to which will crash first?

Two of the backtraces show a crash in the wl_list_insert routine:

        elm->next->prev = elm;

Tracing up the stack, this implies that:

  new_output->destroy_signal.listener_list.prev->next

is invalid (e.g. maybe NULL).

Not sure what to make of that though.  I think this will require more than just
a stack trace to sort out; perhaps instrumenting the
weston_view_assign_output() routine could reveal something?

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