On Thu, 30 Nov 2023 at 20:50, Kent Overstreet <[email protected]> wrote: > > On Thu, Nov 30, 2023 at 08:47:33PM -0500, Daniel J Blueman wrote: > > Hi Kent et al, > > > > On upstream bcachefs (master @ evilpiepirate.org/git/bcachefs.git) SHA > > f8a1ba26, I was able to develop a minimal reproducer [1] for a page > > not present oops I can provoke [2]. It appears we need further > > synchronisation during unmount. > > > > Let me know when there is a patch I can test, or for debug. > > There was a device removal that was just fixed, I've already sent the > pull request to Linus but in the meantime try this branch: > > https://evilpiepirate.org/git/bcachefs.git/log/?h=bcachefs-for-upstream > > If you still hit it, I'll turn your reproducer into a ktest test and > hunt it down.
This did reproduce on the second cycle on bcachefs-for-upstream SHA 415e5107b0dc; let me know if you can't trigger it and I'll make some adjustments. Thanks, Dan -- Daniel J Blueman
