On Mon, Aug 16, 2021 at 10:56:46AM -0700, Luck, Tony wrote: > On Tue, Aug 17, 2021 at 02:12:07AM +0900, Naoya Horiguchi wrote: > > This dump indicates that HWPoisonHandlable() returned false due to > > the lack of PG_lru flag. In older code before 5.13, get_any_page() does > > retry with shake_page(), but does not since 5.13, which seems to me > > the root cause of the issue. So my suggestion is to call shake_page() > > when HWPoisonHandlable() is false. > > > > Could you try checking that the following diff fixes the issue? > > I could still have better fix (like inserting shake_page() to other > > retry paths in get_any_page()), but the below is the minimum one. > > Tried it ... and it works! Injected and recovered from a thousand > errors without seeing any problems. Thank you for testing, I've submitted a patch just now. - Naoya
