On Wed 11-01-17 12:05:44, Vlastimil Babka wrote: > On 01/11/2017 11:50 AM, Ganapatrao Kulkarni wrote: > > Hi, > > > > we are seeing OOM/stalls messages when we run ltp cpuset01(cpuset01 -I > > 360) test for few minutes, even through the numa system has adequate > > memory on both nodes. > > > > this we have observed same on both arm64/thunderx numa and on x86 numa > > system! > > > > using latest ltp from master branch version 20160920-197-gbc4d3db > > and linux kernel version 4.9 > > > > is this known bug already? > > Probably not. > > Is it possible that cpuset limits the process to one node, and numa > mempolicy to the other node?
No this shouldn't happen AFAICS. It is more likely that there is an unrelated memory pressure happenning at the same time. -- Michal Hocko SUSE Labs
