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

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

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>
>
>