Date: Thu, 17 Aug 2023 16:04:27 -0400 From: Alexander Motin <mav@FreeBSD.org> To: =?UTF-8?Q?Dag-Erling_Sm=c3=b8rgrav?= <des@FreeBSD.org> Cc: current@freebsd.org, Mateusz Guzik <mjguzik@gmail.com>, Martin Matuska <mm@FreeBSD.org> Subject: Re: ZFS deadlock in 14 Message-ID: <0fd64567-59cd-9276-cc0c-17a09611f11a@FreeBSD.org> In-Reply-To: <86350hpiby.fsf@ltc.des.no> References: <86leeltqcb.fsf@ltc.des.no> <86h6p4s64h.fsf@ltc.des.no> <86a5utrafp.fsf@ltc.des.no> <86350kqokl.fsf@ltc.des.no> <CAGudoHHGeC4qaZpmTc15-Rimo78qVUmg8-oYveMfo0_JO45TSw@mail.gmail.com> <86y1icp95t.fsf@ltc.des.no> <CAGudoHFgyb2%2B3jkfmuzG86FqCQfNfPOuoWpsXFByY=YBYCN%2BFQ@mail.gmail.com> <86ttt0p8wv.fsf@ltc.des.no> <197ead1e-210a-6be6-7e24-5c56b14bb777@FreeBSD.org> <86350hpiby.fsf@ltc.des.no>
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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
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