From owner-freebsd-bugs@freebsd.org Thu May 6 12:07:57 2021 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 DE6AF5FEA6D for ; Thu, 6 May 2021 12:07:57 +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 4FbXQj5nL5z4cBg for ; Thu, 6 May 2021 12:07:57 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.nyi.freebsd.org (Postfix) id C662C5FEB88; Thu, 6 May 2021 12:07:57 +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 C62B55FEC06 for ; Thu, 6 May 2021 12:07:57 +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) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4FbXQj5BVbz4cSh for ; Thu, 6 May 2021 12:07:57 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 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) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id A4D6D17DE7 for ; Thu, 6 May 2021 12:07:57 +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 146C7vNV098298 for ; Thu, 6 May 2021 12:07:57 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 146C7vtl098297 for bugs@FreeBSD.org; Thu, 6 May 2021 12:07:57 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 246886] [sendfile] Nginx + NFS or FUSE causes VM stall Date: Thu, 06 May 2021 12:07:55 +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: 12.1-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: mg@fork.pl X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@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-bugs@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 06 May 2021 12:07:57 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D246886 Marcin Gryszkalis changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |mg@fork.pl --- Comment #64 from Marcin Gryszkalis --- I have same problem on 12.2-RELEASE-p4 with nginx + NFS, happens once a mon= th on production, after lastest hang (today) I turned sendfile off. 1025 18521 18512 0 20 0 31724 18592 grbmaw D - 0:11.40 nginx: worker process (nginx) mi_switch+0xd4=20 sleepq_wait+0x2c=20 _sleep+0x253=20 vm_page_busy_sleep+0xaf=20 vm_page_grab_pages+0x3f2=20 allocbuf+0x371=20 getblkx+0x5be=20 breadn_flags+0x3d=20 vfs_bio_getpages+0x33f=20 ncl_getpages+0x2ac=20 VOP_GETPAGES_APV+0x7b=20 vop_stdgetpages_async+0x49=20 VOP_GETPAGES_ASYNC_APV+0x7b=20 vnode_pager_getpages_async+0x7d=20 vn_sendfile+0xdf2=20 sys_sendfile+0xfb=20 amd64_syscall+0x387=20 fast_syscall_common+0xf8 --=20 You are receiving this mail because: You are the assignee for the bug.=