> > Perhaps I have to turn off MMU while copying pagedir_nosave, and turn > > on later? > > If it is easy for you... that should solve it. In kernel/power/swsusp.c, comment says ... Warning: this is even more evil than it seems. Pagedirs this file talks about are completely different from page directories used by MMU hardware. ... If it is so, then turning MMU off doesn't sound like solving the problem... true? I'll look more closely on page table between hibernate & wakeup. Regards, HK. --