I have made myself a bootable USB Debian 7 thumbdrive, using debootstrap. It boots nicely - but occasionally freezes for a bit. I can see the load average is much higher than the running tasks should indicate. I wonder if maybe the default ext4 mounting paramaters don't work well in this scenario. Are there things I can change (even at the risk of data loss?) to make it run faster.
I am assuming I could add something to rootflags in the kernel boot params in GRUB2. What flags could I use?