> @@ -3378,7 +3054,6 @@ static const struct consw fb_con = { > .con_font_default = fbcon_set_def_font, > .con_font_copy = fbcon_copy_font, > .con_set_palette = fbcon_set_palette, > - .con_scrolldelta = fbcon_scrolldelta, > .con_set_origin = fbcon_set_origin, > .con_invert_region = fbcon_invert_region, > .con_screen_pos = fbcon_screen_pos, If I am not wrong, this change creates crash in v4.4.y. As before calling con_scrolldelta, NULL check is missing inside console_callback() for v4.4.y, refer: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/tree/drivers/tty/vt/vt.c?h=linux-4.4.y#n2487 This NULL check was added in commit 97293de977365fe672daec2523e66ef457104921, and this is not merged to v4.4.y -Ajay