Same thing on Thinkpad X220 with 8 GB RAM running Ubuntu 14.04, with Ubuntu's Kernel 3.16.0-77-generic.
Swap is disabled.
kswapd0 runs on high CPU and the HD light is on all the time during this (no idea why).
After 20 (!) minutes the OOM killer manages to kill a process to resolve the situation.
Same thing on Thinkpad X220 with 8 GB RAM running Ubuntu 14.04, with Ubuntu's Kernel 3.16.0-77-generic.
Swap is disabled.
kswapd0 runs on high CPU and the HD light is on all the time during this (no idea why).
After 20 (!) minutes the OOM killer manages to kill a process to resolve the situation.