On Wed, May 8, 2024 at 10:45 PM David Hildenbrand <david@xxxxxxxxxx> wrote: > > "page dumped because: non-NULL mapping" > > Is the relevant bit. We are freeing a page, but page->mapping is not > NULL. IIUC, it might happen under memory pressure when reclaiming memory. > > It's weird that only you are seeing that, if it would be something > "obvious" I would expect multiple reports :/ > Maybe because the problem is really difficult to reproduce (rare combination of the kernel build option and workload). I even thought that the problem was fixed because it did not reproduce itself for a week. But yesterday when it happened again with the kworker process, I stopped doubting that it was fixed. Now I am concerned with the question of how to be as useful as possible when reproducing bug again? -- Best Regards, Mike Gavrilov.
