its(In reply to Mikhail Novosyolov from comment #43) > I encountered the same or a similar bug on BTRFS + HDD 5400 RPM + swap on a > separate partition. Unfortunately, that notebook is not mine and is far away > from me, what makes it hard to make experiments, kernels 4.15 and 4.18 both > did have this problem, which can be reliably reproduced by running > > # stress --vm 2 --vm-bytes 2000M --vm-keep > > on that notebook with 4 GB RAM. > After running stress Load Average bumps above 11.0 and the whole system > freezes. > Information about its hardware: > https://linux-hardware.org/index.php?probe=af73180d0c > (HDD is in bad condition as you may see in smartctl by the URL above, but I > still believe it's not the reason why swap is not being used properly). > > Some other users complain about similar problems here: > https://forum.rosalinux.ru/viewtopic.php?t=9387 (in Russian). Andreas17 > there also uses BTRFS. I see that here, in my case, in bug#199763 and also > in another case of similar problem that I know there are too many people > with BTRFS, but this may be a coincidence.
it's not a coincidence, I did a lot of tests and they were only happening on ALL my machines using a btrfs as root partition -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1833281 Title: System freeze when memory is put on SWAP in Linux >4.10.x To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1833281/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs