It's not just caused by high I/O, though. I have the staggering windows problem at the moment after a suspend/resume cycle and atop -d shows /dev/sda at only 1%-2% activity.
It's not just caused by high I/O, though. I have the staggering windows problem at the moment after a suspend/resume cycle and atop -d shows /dev/sda at only 1%-2% activity.