Same problem on my Dell Mini 1010 with a solid state drive.
The workaround from comment #8 works, I've added these lines in the file /etc/rc.local to make this change "temporarily permanent":
# Avoid constant kernel warnings about missing cache on SSD # see https://bugs.launchpad.net/ubuntu/+source/linux/+bug/925760 rmmod ums_realtek
Same problem on my Dell Mini 1010 with a solid state drive.
The workaround from comment #8 works, I've added these lines in the file /etc/rc.local to make this change "temporarily permanent":
# Avoid constant kernel warnings about missing cache on SSD /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/925760
# see https:/
rmmod ums_realtek