From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id E00E03874C30; Thu, 11 Mar 2021 13:58:53 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org E00E03874C30 From: "tschwinge at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug libgomp/98738] task-detach-6.f90 hangs intermittently Date: Thu, 11 Mar 2021 13:58:53 +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: tschwinge at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: kcy at codesourcery dot com X-Bugzilla-Target-Milestone: 11.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc bug_status assigned_to 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: Thu, 11 Mar 2021 13:58:54 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D98738 Thomas Schwinge changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |tschwinge at gcc dot gnu.o= rg Status|NEW |ASSIGNED Assignee|unassigned at gcc dot gnu.org |kcy at codesourcery= dot com --- Comment #13 from Thomas Schwinge --- Kwok, it seems -- at least in my testing -- that your latest commit d656bfda2d8316627d0bbb18b10954e6aaf3c88c "openmp: Fix intermittent hanging = of task-detach-6 libgomp tests [PR98738]" has broken things with nvptx offload= ing enabled: because of hanging 'libgomp.c/../libgomp.c-c++-common/task-detach-6.c', I manually terminated testing after: PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COM= MAND 24507 thomas 20 0 9157400 130444 122980 R 100.0 0.4 41:13.59 ./task-detach-6.exe ..., and another run after: PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COM= MAND 32365 thomas 20 0 9159472 140040 128136 R 100.0 0.4 59:05.48 ./task-detach-6.exe I had 100 % GPU utilization in this state. Is there something wrong (are you or anyone reproducing that with nvptx offloading?), or is something wrong on my side?=