On Wed 29-05-19 22:32:08, Mikhail Gavrilov wrote: > On Wed, 29 May 2019 at 09:05, Mikhail Gavrilov > <mikhail.v.gavrilov@xxxxxxxxx> wrote: > > > > Hi folks. > > I am observed kernel panic after update to git tag 5.2-rc2. > > This crash happens at memory pressing when swap being used. > > > > Unfortunately in journalctl saved only this: > > > > Now I captured better trace. > > : page:ffffd6d34dff0000 refcount:1 mapcount:1 mapping:ffff97812323a689 > index:0xfecec363 > : anon > : flags: 0x17fffe00080034(uptodate|lru|active|swapbacked) > : raw: 0017fffe00080034 ffffd6d34c67c508 ffffd6d3504b8d48 ffff97812323a689 > : raw: 00000000fecec363 0000000000000000 0000000100000000 ffff978433ace000 > : page dumped because: VM_BUG_ON_PAGE(entry != page) > : page->mem_cgroup:ffff978433ace000 > : ------------[ cut here ]------------ > : kernel BUG at mm/swap_state.c:170! Do you see the same with 5.2-rc1 resp. 5.1? -- Michal Hocko SUSE Labs