Date: Wed, 12 Apr 2023 14:34:20 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=270789 Bug ID: 270789 Summary: zpool list loads zfs.ko, even on systems that don't use zfs Product: Base System Version: Unspecified Hardware: Any OS: Any Status: New Severity: Affects Many People Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: firstname.lastname@example.org I noticed that zfs.ko got loaded unexpectedly on a few small systems I maintain, which don't run ZFS but only have UFS filesystems. Turned out that btop executed "zpool list" unconditionally to find out if there are any ZFS pools available. This caused zfs.ko to be loaded, which in turn causes a "zfskern" process to spike all cpu cores at 100% for about 10 seconds. I was discussing this with @nimaje on #freebsd on Libera and decided to file a bug. Our thinking was that probably, zpool and/or other zfs utilities should not auto-load zfs.ko at all. -- You are receiving this mail because: You are the assignee for the bug.