On Mon, Nov 9, 2020 at 12:16 AM Michal Hocko <mhocko@xxxxxxxx> wrote: > > [Cc Roman and Shakeel] > > On Fri 06-11-20 21:13:00, Andrew Morton wrote: > > (switched to email. Please respond via emailed reply-to-all, not via the > > bugzilla web interface). > > > > On Thu, 05 Nov 2020 21:18:05 +0000 bugzilla-daemon@xxxxxxxxxxxxxxxxxxx wrote: > > > > > https://bugzilla.kernel.org/show_bug.cgi?id=210075 > > > > > > Bug ID: 210075 > > > Summary: [Thu Nov 5 13:14:27 2020] WARNING: CPU: 4 PID: 133 at > > > mm/page_counter.c:57 page_counter_uncharge+0x34/0x40 > > > Product: Memory Management > > > Version: 2.5 > > > Kernel Version: 5.9.5 > > > Hardware: x86-64 > > > OS: Linux > > > Tree: Mainline > > > Status: NEW > > > Severity: normal > > > Priority: P1 > > > Component: Page Allocator > > > Assignee: akpm@xxxxxxxxxxxxxxxxxxxx > > > Reporter: vladi@xxxxxxxxxxxx > > > Regression: No > > > > I'm assuming this is a bug in the networking code. I've seen a number > > of possibly-related emails fly past - is it familiar to anyone? > > Looks similar to 8de15e920dc8 ("mm: memcg: link page counters to root if > use_hierarchy is false"). The path is different so the underlying reason > might be something else. > The commit 8de15e920dc8 is not in 5.9.5. Is the issue reproducible and bisectable?
