From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id A887A3939C2C; Tue, 19 Jan 2021 10:35:16 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org A887A3939C2C From: "ro at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug libgomp/98738] task-detach-6.f90 hangs intermittently Date: Tue, 19 Jan 2021 10:35:16 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: libgomp X-Bugzilla-Version: 11.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: ro at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 11.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc cf_gcctarget target_milestone Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: gcc-bugs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-bugs mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 19 Jan 2021 10:35:16 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D98738 Rainer Orth changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |ro at gcc dot gnu.org Target|s390x, x86_64-*-* |s390x, x86_64-*-*, | |*-*-solaris* Target Milestone|--- |11.0 --- Comment #4 from Rainer Orth --- I'm seeing the same on Solaris (both sparc and x86) for both libgomp.c-c++-common/task-detach-6.c and libgomp.fortran/task-detach-6.f90. When running the C test in a loop, about 1 out of 10 times it hangs. On Linux/x86_64, its way rarer (1 out of 1000 or less), however when configuring with --disable-linux-futex the frequency is similar to what I see on Solari= s.=