> Should switching to bochsdrmfb be deferred until efifb gets properly > destroyed? How? Should be in do_remove_conflicting_framebuffers, everyone might run into this. So lets try wait for all (other) references went away: diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c index d04554959ea7..2d4911cc7ec4 100644 --- a/drivers/video/fbdev/core/fbmem.c +++ b/drivers/video/fbdev/core/fbmem.c @@ -1726,7 +1726,9 @@ static void do_unregister_framebuffer(struct fb_info *fb_info) fbcon_fb_unregistered(fb_info); console_unlock(); - /* this may free fb info */ + while (atomic_read(&fb_info->count) > 1) + msleep(10); + /* this will free fb info */ put_fb_info(fb_info); } _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization