From owner-freebsd-bugs@freebsd.org Sun Oct 6 02:33:37 2019 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 E752214706E for ; Sun, 6 Oct 2019 02:33:37 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.nyi.freebsd.org (mailman.nyi.freebsd.org [IPv6:2610:1c1:1:606c::50:13]) by mx1.freebsd.org (Postfix) with ESMTP id 46m72n5tk0z4RXN for ; Sun, 6 Oct 2019 02:33:37 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.nyi.freebsd.org (Postfix) id C9C0614706D; Sun, 6 Oct 2019 02:33:37 +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 C984E14706C for ; Sun, 6 Oct 2019 02:33:37 +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 46m72n4zYzz4RXM for ; Sun, 6 Oct 2019 02:33:37 +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 8F8E61E812 for ; Sun, 6 Oct 2019 02:33:37 +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 x962Xbra025274 for ; Sun, 6 Oct 2019 02:33:37 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id x962XbFQ025273 for bugs@FreeBSD.org; Sun, 6 Oct 2019 02:33:37 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 123892] [tap] [patch] No buffer space available Date: Sun, 06 Oct 2019 02:33:37 +0000 X-Bugzilla-Reason: CC AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: unspecified X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: kevans@freebsd.org X-Bugzilla-Status: Closed X-Bugzilla-Resolution: Overcome By Events X-Bugzilla-Priority: Normal X-Bugzilla-Assigned-To: kevans@freebsd.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc bug_status resolution assigned_to 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: 2.1.29 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 06 Oct 2019 02:33:38 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D123892 Kyle Evans changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |bugs@FreeBSD.org, | |kevans@freebsd.org Status|Open |Closed Resolution|--- |Overcome By Events Assignee|bugs@FreeBSD.org |kevans@freebsd.org --- Comment #3 from Kyle Evans --- In the 11 years since this issue failed to receive any feedback (=3D( apolo= gies), this looks to be overcome by events. tunread() (in a tuntap(4) world, mind you- so fixed in both tun/tap) holds the tun lock, sets TUN_RWAIT, then uses mtx_sleep(9). tunstart/tunstart_l2 both grab the tun lock and then wakeup(9= ) if if_snd is no longer empty. --=20 You are receiving this mail because: You are on the CC list for the bug. You are the assignee for the bug.=