On Thu, Aug 15, 2019 at 1:51 AM Artem Tim <ego.cordatus@xxxxxxxxx> wrote: > > BFQ scheduler help a lot with this issue. Using it on Fedora since 4.19 kernel. Also there was previous discussion about make it default for Workstation > https://lists.fedoraproject.org/archives/list/kernel@xxxxxxxxxxxxxxxxxxxxxxx/message/I2OZWDD4QCDYUXJ5NHYTMGNAB4KLJN2K/ It's mentioned in the workstation issue as having no effect in this case. https://pagure.io/fedora-workstation/issue/98 I just switched to it and repeating the test case and the GUI still hangs, is unresponsive, even without substantial pressure on the SSD, and swap isn't even 1/2 used. https://drive.google.com/open?id=13_5XIBMu01HfOdzGVH-4qTgd-PLpFsaN But I am getting something new in kernel messages: 542 sysrq+t during a GUI freeze that lasted over 1 minute, and then: [ 718.068633] fmac.local kernel: SLUB: Unable to allocate memory on node -1, gfp=0x900(GFP_NOWAIT|__GFP_ZERO) [ 718.068636] fmac.local kernel: cache: page->ptl, object size: 72, buffer size: 72, default order: 0, min order: 0 [ 718.068639] fmac.local kernel: node 0: slabs: 296, objs: 16576, free: 0 [ 718.068704] fmac.local kernel: chronyd: page allocation failure: order:0, mode:0x800(GFP_NOWAIT), nodemask=(null),cpuset=/,mems_allowed=0 Not sure what to make of that. Complete 'journalctl -k' is here: https://drive.google.com/open?id=1Z1jAjMrmdXAxuSELdFfd4IKdceeufmVu -- Chris Murphy _______________________________________________ devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/devel@xxxxxxxxxxxxxxxxxxxxxxx