Hello, Tested with 5.4/5.8/5.11-rc4 with same problems - all cores 100% in WA. Please check this: https://launchpadlibrarian.net/520192412/5.8_kernel_2021-01-29%2013-44-35.png nvme0n1 259:0 0 465,8G 0 disk ├─nvme0n1p1 259:1 0 512M 0 part /boot/efi ├─nvme0n1p2 259:2 0 732M 0 part /boot └─nvme0n1p3 259:3 0 464,6G 0 part └─nvme0n1p3_crypt 253:0 0 464,6G 0 crypt ├─ubuntu--vg-root 253:1 0 463,6G 0 lvm / └─ubuntu--vg-swap_1 253:2 0 980M 0 lvm [SWAP] Any idea how to tune/workaround this? When remove/copy big file (~4GB) - no option to use firefox/teams/slack ... for minute(s). BR Janusz -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
