On Mon, Jan 01, 2024 at 06:43:58AM +0100, Kurt Jaeger wrote:
> > > I can crash mine with "sysctl -a" as well.
>
> markj@ pointed me in
> https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=276039
> to
> https://github.com/openzfs/zfs/pull/15719
>
> So it will probably be fixed sooner or later.
>
> The other ZFS crashes I've seen are still an issue.
Applying the two ZFS kernel patches fixes that issue:
root@bsd15:~ # sysctl -a | grep vfs.zfs.zio
vfs.zfs.zio.deadman_log_all: 0
vfs.zfs.zio.dva_throttle_enabled: 1
vfs.zfs.zio.requeue_io_start_cut_in_line: 1
vfs.zfs.zio.slow_io_ms: 30000
vfs.zfs.zio.taskq_wr_iss_ncpus: 0
vfs.zfs.zio.taskq_write: sync fixed,1,5 scale fixed,1,5
vfs.zfs.zio.taskq_read: fixed,1,8 null scale null
vfs.zfs.zio.taskq_batch_tpq: 0
vfs.zfs.zio.taskq_batch_pct: 80
vfs.zfs.zio.exclude_metadata: 0
root@bsd15:~ # uname -aUK
FreeBSD bsd15 15.0-CURRENT FreeBSD 15.0-CURRENT #2
main-n267335-499e84e16f5-dirty: Mon Jan 1 08:04:59 PST 2024
warlock@bsd15:/usr/obj/usr/src/amd64.amd64/sys/GENERIC amd64 1500008 1500008
