@lou (louvee) I did try to ask on the kernel mail list (here https://lkml.org/lkml/2018/9/10/296 ), but got no replies, however the good news is, for me anyway, that I'm still successfully using my own kernel(4.18.9) patch(le9d.patch) , in Qubes OS (both in dom0 and VM kernels).
Here's a copy of it, if you want to give it a test. ** Patch added: "le9d.patch" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/159356/+attachment/5191960/+files/le9d.patch -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/159356 Title: When DMA is disabled system freeze on high memory usage To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/159356/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs