On Thu 24-10-19 16:34:46, Randy Dunlap wrote: > [adding linux-mm + people] > > I see only one change in the last 4 years: > > commit dedca63504a204dc8410d98883fdc16dffa8cb80 > Author: Potyra, Stefan <Stefan.Potyra@xxxxxxxxxxxxxx> > Date: Thu Jun 13 15:55:55 2019 -0700 > > mm/mlock.c: mlockall error for flag MCL_ONFAULT > > > On 10/24/19 12:36 AM, Robert Stupp wrote: > > Hi guys, > > > > I've got an issue with `mlockall(MCL_CURRENT)` after upgrading Ubuntu 19.04 to 19.10 - i.e. kernel version change from 5.0.x to 5.3.x. > > > > The following simple program hangs forever with one CPU running at 100% (kernel): Can you capture everal snapshots of proc/$(pidof $YOURTASK)/stack while this is happening? -- Michal Hocko SUSE Labs
