On Mon, Feb 26, 2018 at 11:02:56AM +0300, Kirill A. Shutemov wrote: ... > > Also, could do a puts() hexdump of the affected memory area _before_ we > > overwrite > > it? Is it empty? Could we add some debug warning that checks that it's all > > zeroes? > > The problem is that we don't really have a way get a message out of there. > > http://lkml.kernel.org/r/[email protected] >
I'm sorry for stepping in (since I didn't follow the series in details) but can't we use vga memory here and print this early data tere?

