Re: ZFS deadlock in 14

Hi Alexander,

as 15107 is a prerequisite for 15122,
would it be possible to have https://github.com/openzfs/zfs/pull/15107  
merged into the OpenZFS zfs-2.2-release branch (and of course later  
15122)?

If the patches help I can cherry-pick them into main.

Cheers,
mm


Alexander Motin <mav@freebsd.org> wrote:

> On 17.08.2023 15:41, Dag-Erling Smørgrav wrote:
>> Alexander Motin <mav@FreeBSD.org> writes:
>>> Trying to run your test (so far without reproduction) I see it
>>> producing a substantial amount of ZIL writes.  The range of commits
>>> you reduced the scope to so far includes my ZIL locking refactoring,
>>> where I know for sure are some deadlocks.  I am already waiting for 3
>>> weeks now for reviews and tests for PR that should fix it:
>>> https://github.com/openzfs/zfs/pull/15122 .  It would be good if you
>>> could test it, though it seems to depend on few more earlier patches
>>> not merged to FreeBSD yet.
>>
>> Do you have a FreeBSD branch with your patch applied?
>
> I don't have a FreeBSD branch, but these two patches apply clean and  
> build on top of today's FreeBSD main branch:
>
> https://github.com/openzfs/zfs/pull/15107
> https://github.com/openzfs/zfs/pull/15122
>
> And if you still experience the issue, please show all stacks, or at  
> least include ZFS sync threads.
>
> -- 
> Alexander Motin