On Fri, 2007-05-04 at 10:50 +0200, Geert Uytterhoeven wrote:

	Hi,

It looks like unregister_framebuffer() doesn't cause fbcon_del_cursor_timer()
to be called.

Hence if cursor_timer_handler() runs, it will try to schedule work on
fb_info.queue, which is no longer valid, and queue_work() will BUG_ON().

Or am I missing something?

The console cursor is not part of fbdev.  fbcon_del_cursor_timer() is
done in fbcon_exit() in fbcon.c. You cannot (or, rather, should not)
call unregister_framebuffer() unless fbcon unbinds the underlying
driver.

Tony  



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