From owner-freebsd-bugs@freebsd.org Thu Feb 8 17:19:02 2018 Return-Path: Delivered-To: freebsd-bugs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 2E4C1F148F8 for ; Thu, 8 Feb 2018 17:19:02 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.ysv.freebsd.org (mxrelay.ysv.freebsd.org [IPv6:2001:1900:2254:206a::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.ysv.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id BF5E671D45 for ; Thu, 8 Feb 2018 17:19:01 +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 mxrelay.ysv.freebsd.org (Postfix) with ESMTPS id 08D711181D for ; Thu, 8 Feb 2018 17:19:01 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id w18HJ0qX092276 for ; Thu, 8 Feb 2018 17:19:00 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id w18HJ0ov092275 for freebsd-bugs@FreeBSD.org; Thu, 8 Feb 2018 17:19:00 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: freebsd-bugs@FreeBSD.org Subject: [Bug 225584] Various compile process hang on Ryzen, but not on Intel Date: Thu, 08 Feb 2018 17:19:00 +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: X-Bugzilla-Severity: Affects Many People X-Bugzilla-Who: kib@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: 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: 2.1.25 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 08 Feb 2018 17:19:02 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D225584 --- Comment #57 from Konstantin Belousov --- (In reply to mike from comment #56) Yes, that was already handled. And, the hang there is the whole system han= g. Please apply this debugging patch and try reproduce the issue one more time. diff --git a/lib/libc/stdio/_flock_stub.c b/lib/libc/stdio/_flock_stub.c index 069ed64c4e9..99e1af6fbfb 100644 --- a/lib/libc/stdio/_flock_stub.c +++ b/lib/libc/stdio/_flock_stub.c @@ -45,6 +45,8 @@ __FBSDID("$FreeBSD$"); #include #include #include "un-namespace.h" +#include +#include #include "local.h" @@ -116,6 +118,8 @@ _funlockfile(FILE *fp) /* * Check if this file is owned by the current thread: */ + while (*(volatile struct thread * volatile *)&fp->_fl_owner =3D=3D = NULL) + ; if (fp->_fl_owner =3D=3D curthread) { /* * Check if this thread has locked the FILE @@ -138,4 +142,11 @@ _funlockfile(FILE *fp) _pthread_mutex_unlock(&fp->_fl_mutex); } } + else { + char x[120]; + snprintf(x, sizeof(x), "funlockfile %p %p %p\n", fp, + curthread, fp->_fl_owner); + write(2, x, strlen(x)); + raise(SIGBUS); + } } --=20 You are receiving this mail because: You are the assignee for the bug.=