On Tue, Oct 04, 2016 at 07:34:25PM +0200, Johannes Weiner wrote: > Hi Dave, > > On Tue, Oct 04, 2016 at 01:09:55PM -0400, Dave Jones wrote: > > Hit this during a trinity run. > > Kernel built from v4.8-1558-g21f54ddae449 > > > > WARNING: CPU: 0 PID: 5670 at ./include/linux/swap.h:276 page_cache_tree_insert+0x198/0x1b0 > > Thanks for the report. > > I've been trying to reproduce this too after Linus got hit by it. Is > there any way to trace back the steps what trinity was doing exactly? That run didn't have logging enabled, so not sure.. > What kind of file(system) this was operating on, btrfs > file size, what the /proc/vmstat delta before the operation until the trigger looks like? No idea. Let me play with some options, see if I can narrow it down. Dave -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>