From nobody Thu Aug 17 19:41:37 2023 X-Original-To: current@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4RRb3n1rZwz4q4Mg for ; Thu, 17 Aug 2023 19:41:41 +0000 (UTC) (envelope-from des@freebsd.org) Received: from smtp.freebsd.org (smtp.freebsd.org [IPv6:2610:1c1:1:606c::24b:4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "smtp.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4RRb3m6s5gz3fsg; Thu, 17 Aug 2023 19:41:40 +0000 (UTC) (envelope-from des@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1692301301; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=h6XFIZEgOBddXcJy4MG458BAEGVeFevtfMrQD7/MEOc=; b=J6EfZhGQbcZXWykS8pe4XTYng2sUNEE33+LeZuvfxrKefQUn01Rur57Sx5XLgh4YYxyfmi xMK3tAwb1PF2YxicC90/GV8cPMjjAQvZSzZI24kmtVZ/BMobg7rhG3Y0K+GA4yTCnaWe69 vu10TCPSMiikI7WFE+WzMtX6d9gx2PxD8Nz63bibtxSYA2Jbvxj+CW3DfGxoqwkqdEyYrK t2dmsdHXScPF6Qj25yd0N84FlGaN9/f0vdSG7gHv5nhJMUGnh5Xm0XWiVrrXvbPJizd0Nh /BbpRBhjA7rqZ7os/yWTYaZojfEBehIaTFhbOAB5aJECCo0jHiX8kqCrKsOViA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1692301301; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=h6XFIZEgOBddXcJy4MG458BAEGVeFevtfMrQD7/MEOc=; b=Ysw8rUClztmtf3xAz0+xAIr/xVnGK7xolCz70mEhXG5vEx1BZkfEdCLBrdQS9oAsU10cc0 /VaejSTwqfu1i3uDzuu1fRdYtGPucgliKjTlfHTaVXJvYoBD6bXl/e759Evl93A6PHSUTb e6gZGIfhA6ztS6P0rWoncxjz8THRKtCgi2TXxC2ZNTHFuRFf0ngY/RbnGPkOS6m62R1BJU kT+HNVvGxXpBEm04bUDnPtVp5oiwbdq0kr40kOjZpdMbnhEXnGD+r9BH5tLSa+Rkbu8KOH 5YhegpU8MJMhQNtdzHzvqF7JLFj594hNZKSjRNzSfqV/i6LnFP2BH10lKcfuDA== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1692301301; a=rsa-sha256; cv=none; b=vhbUFLHkjk1q6l8e6Y9961VavBvezLlnlIo7GpVY6VK75W7ya9z4FdYZsqPUw6GzQRqJDM VqyFiCWfFFBoaC5HWcpzoaGqo7iYkszluI9d8cZB2LDKelhAjeVeh+swTuBMVNdFai/zpM tgMNiEmMJxTnSEBfMxYRQgzhKmyMG8xBVBEtHmIUEPGZZN24XrVPcmTqorsfnxaOrbiiM1 d+naHaVKA+cm3a3J3BZy+3BOINgFMJTMzmdI8c38l5NsOOcR4iZbcmU6E642I+YkjR8Sf3 pj0xSwV9HJw28u/g22SlAUrUgHgSYmD8xPMHvPCjNLExTWLrrnenAPqjSR3AfQ== ARC-Authentication-Results: i=1; mx1.freebsd.org; none Received: from ltc.des.no (unknown [IPv6:2001:4647:d671:0:36e8:94ff:feca:9834]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) (Authenticated sender: des) by smtp.freebsd.org (Postfix) with ESMTPSA id 4RRb3m5D2rztP3; Thu, 17 Aug 2023 19:41:40 +0000 (UTC) (envelope-from des@freebsd.org) Received: by ltc.des.no (Postfix, from userid 1001) id D7F4318268; Thu, 17 Aug 2023 21:41:37 +0200 (CEST) From: =?utf-8?Q?Dag-Erling_Sm=C3=B8rgrav?= To: Alexander Motin Cc: current@freebsd.org, Mateusz Guzik , Martin Matuska Subject: Re: ZFS deadlock in 14 In-Reply-To: <197ead1e-210a-6be6-7e24-5c56b14bb777@FreeBSD.org> (Alexander Motin's message of "Thu, 17 Aug 2023 14:57:31 -0400") References: <86leeltqcb.fsf@ltc.des.no> <86h6p4s64h.fsf@ltc.des.no> <86a5utrafp.fsf@ltc.des.no> <86350kqokl.fsf@ltc.des.no> <86y1icp95t.fsf@ltc.des.no> <86ttt0p8wv.fsf@ltc.des.no> <197ead1e-210a-6be6-7e24-5c56b14bb777@FreeBSD.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.2 (berkeley-unix) Date: Thu, 17 Aug 2023 21:41:37 +0200 Message-ID: <86350hpiby.fsf@ltc.des.no> List-Id: Discussions about the use of FreeBSD-current List-Archive: https://lists.freebsd.org/archives/freebsd-current List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-current@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Alexander Motin writes: > Dag, That's not my name, Al. > 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? DES --=20 Dag-Erling Sm=C3=B8rgrav - des@FreeBSD.org