From owner-freebsd-fs@freebsd.org Thu Dec 14 04:49:42 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 4B9D9E93D91 for ; Thu, 14 Dec 2017 04:49:42 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 1D5147269A for ; Thu, 14 Dec 2017 04:49:42 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from bugs.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id vBE4neZe092875 for ; Thu, 14 Dec 2017 04:49:41 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-fs@FreeBSD.org Subject: [Bug 224080] ZFS: "arc_dnlc_evicts_thr" + "arc_reclaim_thread" - high CPU load during poudriere build... Date: Thu, 14 Dec 2017 04:49:41 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: CURRENT X-Bugzilla-Keywords: regression X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: markmi@dsl-only.net X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-fs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: 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-fs@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 14 Dec 2017 04:49:42 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D224080 Mark Millard changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |markmi@dsl-only.net --- Comment #37 from Mark Millard --- There is also the rpi2 and UFS tied list submittals against -r326347 causing booting to hang, starting with: https://lists.freebsd.org/pipermail/freebsd-hackers/2017-December/051939.ht= ml and ending with: https://lists.freebsd.org/pipermail/freebsd-hackers/2017-December/051947.ht= ml There are tied to boot hangs with the kernel thread (100001) involving: . . . uma_zcreate() at uma_zcreate+0x10c pc =3D 0xc052b024 lr =3D 0xc050cc90 (ffs_mount+0x80) sp =3D 0xd42a5858 fp =3D 0xd42a5980 r4 =3D 0xd7844000 r5 =3D 0x00000000 r6 =3D 0x00000003 r7 =3D 0xc09a99c0 r8 =3D 0x00000000 r9 =3D 0xd429f000 r10 =3D 0xd828c400 ffs_mount() at ffs_mount+0x80 pc =3D 0xc050cc90 lr =3D 0xc032e1d4 (vfs_donmount+0xeec) sp =3D 0xd42a5988 fp =3D 0xd42a5b38 r4 =3D 0xffffffff r5 =3D 0xd74ec120 r6 =3D 0xd429f000 r7 =3D 0x00000000 r8 =3D 0x00000000 r9 =3D 0xc425acd0 r10 =3D 0xd828c400 . . . and the uma thread involving: . . . uma_reclaim_locked() at uma_reclaim_locked+0x200 pc =3D 0xc052d9f8 lr =3D 0xc052de70 (uma_reclaim_worker+0x4c) sp =3D 0xd87dadf0 fp =3D 0xd87dae20 r4 =3D 0xc09a9c68 r5 =3D 0xc4242d80 r6 =3D 0xc06df86e r7 =3D 0x00000000 r8 =3D 0x00000100 r9 =3D 0xc09b3d08 r10 =3D 0xc09a9c7c uma_reclaim_worker() at uma_reclaim_worker+0x4c pc =3D 0xc052de70 lr =3D 0xc0230f10 (fork_exit+0xa0) sp =3D 0xd87dae28 fp =3D 0xd87dae40 r4 =3D 0xd7ad8740 r5 =3D 0xd70ce000 r6 =3D 0xc052de24 r7 =3D 0x00000000 r8 =3D 0xd87dae48 r9 =3D 0xd7ada3a0 r10 =3D 0xc0824e8c . . . (extracted from the last of those messages). bisect activity was used to isolate -r326347 as the version the problem started in. --=20 You are receiving this mail because: You are the assignee for the bug.=