From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id A274C396EC28; Fri, 16 Oct 2020 20:23:36 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org A274C396EC28 From: "kirichenkoga at gmail dot com" To: glibc-bugs@sourceware.org Subject: [Bug nptl/25847] pthread_cond_signal failed to wake up pthread_cond_wait due to a bug in undoing stealing Date: Fri, 16 Oct 2020 20:23:35 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: glibc X-Bugzilla-Component: nptl X-Bugzilla-Version: 2.27 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: kirichenkoga at gmail dot com X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: unassigned at sourceware dot org X-Bugzilla-Target-Milestone: --- 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: http://sourceware.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: glibc-bugs@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Glibc-bugs mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 16 Oct 2020 20:23:36 -0000 https://sourceware.org/bugzilla/show_bug.cgi?id=3D25847 Georgy Kirichenko changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |kirichenkoga at gmail dot = com --- Comment #7 from Georgy Kirichenko --- I did a litle experiment building a modified version of glibc, the modifica= tion implies usleep(0) just before line 561 (uint64_t g1_start =3D __condvar_load_g1_start_relaxed (cond);) at prthred_cond_wait.c and face the issue just after running the repro. --=20 You are receiving this mail because: You are on the CC list for the bug.=