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

On Sat, 2 Sep 2023 21:38:07 -0600
Warner Losh <imp@bsdimp.com> wrote:

> On Sat, Sep 2, 2023, 9:30 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.
> >
> 
> Yes. The timerfd ones are being finalized.  I plan on committing them
> Tuesday after the long weekend.
> 
> Warner

Glad to know. Thanks!
For ZFS-related bits, maybe I should wait for answers from mm@ or mav@.

Regards.

> 
> Is there any plan to do so? At least, existing deadlocks should be
> > considered as SHOW-STOPPER and resolved.
> >
> > 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>