From owner-freebsd-fs@freebsd.org Thu Jun 8 23:21:01 2017 Return-Path: Delivered-To: freebsd-fs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 42559D86493 for ; Thu, 8 Jun 2017 23:21:01 +0000 (UTC) (envelope-from tjg@ucsc.edu) Received: from mail-lf0-x232.google.com (mail-lf0-x232.google.com [IPv6:2a00:1450:4010:c07::232]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id BF52575DA3 for ; Thu, 8 Jun 2017 23:21:00 +0000 (UTC) (envelope-from tjg@ucsc.edu) Received: by mail-lf0-x232.google.com with SMTP id v20so23653214lfa.1 for ; Thu, 08 Jun 2017 16:21:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ucsc.edu; s=ucsc-google; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=RFsR6ubos0aICLkF67SG++TZo/B/FPXj6vLMFcbACjs=; b=XJF4muVEE7fecfIOAiKdaZo5bFWas7k7m+CRkcdHQqPwm3EZOc6KTi3vTchZgNdnUZ XO41vtkjXpRN0hyQF0ugoI1fqo/HCDKTb4Aut9qHevxSlQwE2gHpd3cIx2r1kITd+Nfg /G9UtDSNwDU7KoFV1ZXJr+2QFsWLXACTXgbz4= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=RFsR6ubos0aICLkF67SG++TZo/B/FPXj6vLMFcbACjs=; b=TuCw3qR+mOPi+NgfZyuUdC8swqdVG+0DUppPBl09bk/1EWZeV0gZoR4oYKZfJr71xG rLyZfcgFywU8wYtvrrIFEWTWMoCEUGqzlJMS2u5CwavlUaI73wlcyr7OJJmGvTiA03U8 k/eBVS5MB/p9w3baGAM8vC7SbYLG4kdTxs/Lo+4d298/FvkCBqw+20DVaE5E98Ithpv6 M888a1nK0/qIOrS9kI3NNkoVxsZMOEieTY+TO1OhaIhngsnIBWY+iNGUGcGc3Up0rdHa 6awvym2h+QRVE0ZIMPQ5ejpVEYpbbOpdggry34UbjmHSVb2xFaCoza/melaL73TKJjzq vkfw== X-Gm-Message-State: AODbwcA7lcbupy1yMd4LYB7nBL2fmor7kcvsBsCNB5jtWWVJe6VbMBo0 s2G0TQcVaKfXT16U+l7DFo2AmtVG9Ch9HPfipQ== X-Received: by 10.46.5.130 with SMTP id 124mr11179542ljf.95.1496964058790; Thu, 08 Jun 2017 16:20:58 -0700 (PDT) MIME-Version: 1.0 Received: by 10.25.67.4 with HTTP; Thu, 8 Jun 2017 16:20:58 -0700 (PDT) In-Reply-To: References: From: Tim Gustafson Date: Thu, 8 Jun 2017 16:20:58 -0700 Message-ID: Subject: Re: ZFS Commands In "D" State To: Xin LI Cc: freebsd-fs Content-Type: text/plain; charset="UTF-8" X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 08 Jun 2017 23:21:01 -0000 By the way, the output of the procstat command changed after it ran for a while (but it's still in the "D" state): PID TID COMM TDNAME KSTACK 1646 101975 zfs - mi_switch+0xd2 sleepq_wait+0x3a _cv_wait+0x194 txg_wait_synced+0x85 dsl_sync_task+0x205 dsl_destroy_snapshot+0x87 zfs_ioc_destroy+0x3c zfsdev_ioctl+0x5f5 devfs_ioctl_f+0x13f kern_ioctl+0x2d4 sys_ioctl+0x171 amd64_syscall+0x4ce Xfast_syscall+0xfb -- Tim Gustafson BSOE Computing Director tjg@ucsc.edu 831-459-5354 Baskin Engineering, Room 313A To request BSOE IT support, please visit https://support.soe.ucsc.edu/ or send e-mail to help@soe.ucsc.edu.