On Fri, 19 Oct 2018 at 16:59, Richard Weinberger <richard@xxxxxx> wrote: > Am Freitag, 19. Oktober 2018, 16:45:53 CEST schrieb Richard Weinberger: > > Well, I fear it uncovers a problem in UBIFS. We had already problems with overlayfs. > > Did you bisect the problem and you are sure that the said commit is the first bad commit? > > Another thing, UBIFS has no export operations, so overlayfs will fall back to xattrs, > if I read the commit correctly. > Maybe this is the root of the problem. > > I'm currently traveling, so I cannot test much. Please make sure whether > 3a1e819b4e80 is really the first bad commit. > Then I can go for a bug hunt. :-) I did another test and everything keeps pointing to the 3a1e819b4e80. 1) I switched to the 4.12.14 2) I confirmed problem exists there 3) I added "return 0;" at the beginning of ovl_set_origin() 4) I confirmed problem disappeared -- Rafał
