You have been subscribed to a public bug: Last reproduced with linux-image-generic-hwe-18.04-edge 4.18.0.13.62 on bionic with cpu AMD Ryzen 7 1700 Eight-Core Processor
external usb hdd drive /dev/disk/by-id/usb-WD_My_Passport_0820_5758353xxxxx:0-part1 luks encrypted partition zfs pool zfs pool used only for backups using syncoid initially after zpool import -a `df -h` works 30 minutes later `df -h` hangs, doesn't print any output at all, probably after a zfs receive df process using 100% cpu kill -KILL <df pid> has no change in df process, it doesn't die, it's still in R and using 100% cpu strace -p <df pid> hangs, doesn't print any output, also can't be killed unplugging the usb doesn't have any effect, df still in R at 100% cpu reproducible, happens every time. I can't reproduce with kernel 4.15.0-43-generic. ** Affects: linux (Ubuntu) Importance: Undecided Status: Invalid -- df locks up with 100% cpu with zfs on usb, df unkillable https://bugs.launchpad.net/bugs/1811072 You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp