From owner-freebsd-bugs@freebsd.org Sat Jan 18 05:18:46 2020 Return-Path: Delivered-To: freebsd-bugs@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 7FA672284BE for ; Sat, 18 Jan 2020 05:18:46 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.nyi.freebsd.org (unknown [127.0.1.3]) by mx1.freebsd.org (Postfix) with ESMTP id 4805nL2qpdz4Z5v for ; Sat, 18 Jan 2020 05:18:46 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.nyi.freebsd.org (Postfix) id 5F3602284BD; Sat, 18 Jan 2020 05:18:46 +0000 (UTC) Delivered-To: bugs@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 5DEE42284BC for ; Sat, 18 Jan 2020 05:18:46 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4805nL1W7cz4Z5t for ; Sat, 18 Jan 2020 05:18:46 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 2AF741CE71 for ; Sat, 18 Jan 2020 05:18:46 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 00I5IkkU066491 for ; Sat, 18 Jan 2020 05:18:46 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 00I5IkN3066490 for bugs@FreeBSD.org; Sat, 18 Jan 2020 05:18:46 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 243421] Zfs send/recv backup over USB 3.0/eSATA crashes /dev after 466 GB Date: Sat, 18 Jan 2020 05:18:45 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 12.1-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: jon@xyinn.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 18 Jan 2020 05:18:46 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D243421 Bug ID: 243421 Summary: Zfs send/recv backup over USB 3.0/eSATA crashes /dev after 466 GB Product: Base System Version: 12.1-RELEASE Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: jon@xyinn.org Hello all, I made a post earlier in the week on the FreeBSD forums in extensive detail= to see if I could get a solution before having to file a bug report (https://forums.freebsd.org/threads/dev-directory-basically-acompletely-emp= ty-after-4-8-hours-after-i-start-an-external-drive-over-usb-backup-zfs-send= -recv.73699/). Since after doing various tests and purchasing new equipment (with FreeBSD compatible parts), it still didn't solve the issue. TLDR: For whatever reason when I do a zfs send | recv from my OS pool (tank= ) to my backup pool (backup) over USB 3.0 or eSATA, once the stream hits 466 GB = (469 GB in this particular dataset, and a few hundred for GB in other datasets),= the zfs program crashes, and the entire /dev directory vanishes. The only thing left in /dev after this is "null". This effectively means that even though FreeBSD is still running, most applications stop functioning since they can= 't find any resources in /dev (Example: zpool status would no longer work sinc= e it can't communicate with the hardware via /dev/zfs). It's very weird since I don't see any error messages in 'dmesg'. It's like it's a "clean crash". At the moment I will leave FreeBSD running on the box to see if we can reso= lve this, but if not I will need to switch back to Linux since this is literally preventing me from making my external pool backups. Thank you and please let me know if there is any other info I can provide. --=20 You are receiving this mail because: You are the assignee for the bug.=