On Sun, Aug 11, 2024, 10:29 AM Dennis Clarke <dcla...@blastwave.org> wrote:

> On 8/11/24 09:41, Cy Schubert wrote:
> > In message <54076f5e-cd6d-40d6-b4b7-495cf8e67...@blastwave.org>, Dennis
> > Clarke
> > writes:
> >> On 8/10/24 22:15, Cy Schubert wrote:
> >>> In message <fb135aeb-1b52-42f3-93f4-2b1b67fc1...@yahoo.com>, Mark
> Millard
> >>> write
> >>> s:
> >>
> >>>>       =E2=80=A2 [2:12 PM]Flox: getting this error in ZFS since recent
> =
> >>>> update in HEAD
> >>>>       =E2=80=A2 [2:12 PM]Flox:
> >>>> sysctl_warn_reuse: can't re-use a leaf =
> >>>> (kstat.zfs.zroot.dataset.objset-0x204.zil_itx_metaslab_slog_alloc)!
> >>>> pid 58 (zpool) is attempting to use unsafe AIO requests - not logging
> =
> >>>> anymore
> >>>>
> >>>>       =E2=80=A2 [2:13 PM]Flox:
> >>>> FreeBSD fbsd15.localdomain 15.0-CURRENT FreeBSD 15.0-CURRENT #0 =
> >>>> main-aea9dba46b: Sat Aug 10 16:48:02 EDT 2024 =
> >>>> mike@fbsd15.localdomain:/usr/obj/usr/src/amd64.amd64/sys/GENERIC-NODEBUG
> =
> >>>> amd64
> >>>
> >>> Yeah. I'm getting tons of these on all my machines as well.
> >>>
> >>> sysctl_warn_reuse: can't re-use a leaf
> (kstat.zfs.cwsys.dataset.objset-0x2c
> >> c
> >>> d.zil_itx_metaslab_slog_alloc)!
> >>>
> >>>
> >>
> >>
> >> Yep. Seems to be a real thing just pouring out all over the console here
> >> too :
> >>
> >>
> >> sysctl_warn_reuse: can't re-use a leaf
> >> (kstat.zfs.t1.dataset.objset-0x4b0.zil_itx_metaslab_slog_alloc)!
> >
> > This only happens on import: when the system boots and when any pools are
> > imported later on.
> >
>
> Sadly .. nope ... that is not the case :
>
> triton# uptime
>   4:27PM  up 11:33, 2 users, load averages: 2.76, 0.93, 0.37
> triton#
> triton# sysctl_warn_reuse: can't re-use a leaf
> (kstat.zfs.t1.dataset.objset-0x639a.zil_itx_metaslab_slog_alloc)!
> sysctl_warn_reuse: can't re-use a leaf
> (kstat.zfs.t1.dataset.objset-0x639a.zil_itx_metaslab_slog_alloc)!
> sysctl_warn_reuse: can't re-use a leaf
> (kstat.zfs.t1.dataset.objset-0x639a.zil_itx_metaslab_slog_alloc)!
> sysctl_warn_reuse: can't re-use a leaf
> (kstat.zfs.t1.dataset.objset-0x6508.zil_itx_metaslab_slog_alloc)!
> sysctl_warn_reuse: can't re-use a leaf
> (kstat.zfs.t1.dataset.objset-0x6508.zil_itx_metaslab_slog_alloc)!
> sysctl_warn_reuse: can't re-use a leaf
> (kstat.zfs.t1.dataset.objset-0x6508.zil_itx_metaslab_slog_alloc)!
> sysctl_warn_reuse: can't re-use a leaf
> (kstat.zfs.t1.dataset.objset-0x5e74.zil_itx_metaslab_slog_alloc)!
> sysctl_warn_reuse: can't re-use a leaf
> (kstat.zfs.t1.dataset.objset-0x5e74.zil_itx_metaslab_slog_alloc)!
> sysctl_warn_reuse: can't re-use a leaf
> (kstat.zfs.t1.dataset.objset-0x5e74.zil_itx_metaslab_slog_alloc)!
> sysctl_warn_reuse: can't re-use a leaf
> (kstat.zfs.t1.dataset.objset-0x6603.zil_itx_metaslab_slog_alloc)!
> sysctl_warn_reuse: can't re-use a leaf
> (kstat.zfs.t1.dataset.objset-0x6603.zil_itx_metaslab_slog_alloc)!
> sysctl_warn_reuse: can't re-use a leaf
> (kstat.zfs.t1.dataset.objset-0x6603.zil_itx_metaslab_slog_alloc)!
> sysctl_warn_reuse: can't re-use a leaf
> (kstat.zfs.t1.dataset.objset-0x5e7c.zil_itx_metaslab_slog_alloc)!
> sysctl_warn_reuse: can't re-use a leaf
> (kstat.zfs.t1.dataset.objset-0x5e7c.zil_itx_metaslab_slog_alloc)!
> sysctl_warn_reuse: can't re-use a leaf
> (kstat.zfs.t1.dataset.objset-0x5e7c.zil_itx_metaslab_slog_alloc)!
>
> So seems to be a thing when the machine is running and doing things like
> a poudriere bulk build etc etc ..
>

Poudriere does a lot of ZFS dataset manipulation, so this isn't surprising.

Warner

I have not seen it when the machine is just twiddling its thumbs
>   pondering an existential crisis. Yet.
>
> >>
> >>
> >> Just a tad uncomfortable to see.
> >
> > Uncomfortable but harmless.
> >
>
> In that case let's make it go away .. mmmkay ?
>
> --
> Dennis Clarke
> RISC-V/SPARC/PPC/ARM/CISC
> UNIX and Linux spoken
>
>
>

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