On 10/03/2026 14:47, Thomas Gleixner wrote: > On Tue, Mar 10 2026 at 14:40, Matthieu Baerts wrote: >> On 10/03/2026 13:28, Thomas Gleixner wrote: >> >> (...) >> >>> I've updated the debug patch and removed the @users conditionals so it >>> keeps searching. So it should find that magic 73. >> >> It looks like it does, thank you! I just tried this new debug patch, and >> I managed to boot 100 times without issues, while before I was getting >> it after max 20 attempts. I left the test running to boot up to 1000 >> times, just in case. > > Now that I actually understood the problem, I was able to write a > reproducer which triggers the issue 100% reliable. > > The debug patch does cure it and it does the right thing. I have a > better version of that in testing right now which avoid all that flaky > accounting and especially in the vfork() case the full tasklist walk. > I'll send out a complete patch series with changelogs etc. later.
Great, thank you! Note that my 1000 boot iteration finished without errors. > Thanks a lot for your patience and invaluable help. Very appreciated! My pleasure! Thank you for your support, and for maintaining so many important pieces in the Linux kernel! Cheers, Matt -- Sponsored by the NGI0 Core fund.
