Re: Is there any plan for ZFS and timerfd updates on stable/14?

From: Tomoaki AOKI <junchoon_at_dec.sakura.ne.jp>
Date: Sun, 03 Sep 2023 04:33:28 UTC
On Sat, 2 Sep 2023 22:47:53 -0500
Jake Freeland <jake@technologyfriends.net> wrote:

> On Sat, Sep 2, 2023 at 10:40 PM Warner Losh <imp@bsdimp.com> wrote:
> 
> >
> >
> > On Sat, Sep 2, 2023, 9:36 PM Jake Freeland <jake@technologyfriends.net>
> > wrote:
> >
> >> On Sat, Sep 2, 2023 at 10:31 PM Tomoaki AOKI <junchoon@dec.sakura.ne.jp>
> >> wrote:
> >>
> >>> Hi.
> >>>
> >>> There are discussions about deadlocks issue of ZFS on freebsd-current
> >>> ML, starting from [1] last month.
> >>> IIRC, at least some fixes (candidates?) are merged to main, but not yet
> >>> to stable/14.
> >>>
> >>> Upcoming (aleready released? or still rc3?) OpenZFS 2.2-release seems
> >>> to have most of them. So my 1st question is "Is there any plan to
> >>> import vendor/openzfs/zfs-2.2-release into stable/14 BEFORE BRANCHING
> >>> releng/14?
> >>>
> >>> And one more. timerfd is added at last-minutes BEFORE stable/14 is
> >>> branched, and already have not-yet-MFC'ed fixes [2], [3], [4] and
> >>> Differential revision D41600 on Phablicator [5] related to memory leaks
> >>> and locks.
> >>> Additionally, splitting out lib32 part to proper place is proposed
> >>> as D41640 [6].  Both [5] and [6] are accepted but not yet landed.
> >>> Also, D41641 [7] proposes namespace pollution adjustments. This can be
> >>> optional?
> >>>
> >>> Memory leaks and improper locks can lead system to security issues or
> >>> deadlocks, so it would be benefical if landed and MFC'ed BEFORE
> >>> releng/14 branches.
> >>>
> >>> Is there any plan to do so? At least, existing deadlocks should be
> >>> considered as SHOW-STOPPER and resolved.
> >>>
> >>
> >> The plan is to get all of those patches in before releng/14.0, I believe.
> >>
> >> What are your thoughts, Warner?
> >>
> >
> > Sounds like the reviews are done or nearly so. I've not had time to look
> > closely to be sure... I'd planned on making time Tuesday morning.
> >
> 
> Yes. All reviews are good to go.
> 
> Jake Freeland

Glad to know. Thanks!
Looking forward to see them landed / MFC'ed before releng/14 branches.

Regards.

> 
> 
> >
> > Warner
> >
> >
> >> Thanks,
> >> Jake Freeland
> >>
> >>
> >>>
> >>> I myself am bitten by several deadlocks on poudriere full builds after
> >>> upgrading base from stable/13 to stable/14, finally finished with
> >>> increasing kern.maxvnodes after powercycle on each deadlock and
> >>> continue.
> >>>
> >>>
> >>> Thanks in advance!
> >>>
> >>> [1]
> >>>
> >>> https://lists.freebsd.org/archives/freebsd-current/2023-August/004162.html
> >>>
> >>> [2]
> >>>
> >>> https://cgit.freebsd.org/src/commit/?id=02f534b57f84d6f4f97c337b05b383c8b3aaf18c
> >>>
> >>> [3]
> >>>
> >>> https://cgit.freebsd.org/src/commit/?id=5eab523053db79b4bd4f926c7d7ac04444d9c1da
> >>>
> >>> [4]
> >>>
> >>> https://cgit.freebsd.org/src/commit/?id=f4296cfb409a48de00bfa60e76f686c2b031876f
> >>>
> >>> [5] https://reviews.freebsd.org/D41600
> >>>
> >>> [6] https://reviews.freebsd.org/D41640
> >>>
> >>> [7] https://reviews.freebsd.org/D41641
> >>>
> >>> --
> >>> Tomoaki AOKI    <junchoon@dec.sakura.ne.jp>

-- 
Tomoaki AOKI    <junchoon@dec.sakura.ne.jp>