From nobody Sun Aug 15 17:47:49 2021 X-Original-To: toolchain@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 3EBDE176AF66 for ; Sun, 15 Aug 2021 17:47:49 +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) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4GnlBF04fJz3q6l for ; Sun, 15 Aug 2021 17:47:49 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id D9F8F1A64A for ; Sun, 15 Aug 2021 17:47:48 +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 17FHlmLq010935 for ; Sun, 15 Aug 2021 17:47:48 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 17FHlmDo010933 for toolchain@FreeBSD.org; Sun, 15 Aug 2021 17:47:48 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: toolchain@FreeBSD.org Subject: [Bug 253881] /usr/bin/lldb: Unable to backtrace a core dump Date: Sun, 15 Aug 2021 17:47:49 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: bin X-Bugzilla-Version: CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: dim@FreeBSD.org X-Bugzilla-Status: In Progress X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: dim@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: assigned_to bug_status attachments.created 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 List-Id: Maintenance of FreeBSD s integrated toolchain List-Archive: https://lists.freebsd.org/archives/freebsd-toolchain List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-toolchain@freebsd.org X-BeenThere: freebsd-toolchain@freebsd.org MIME-Version: 1.0 X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D253881 Dimitry Andric changed: What |Removed |Added ---------------------------------------------------------------------------- Assignee|toolchain@FreeBSD.org |dim@FreeBSD.org Status|New |In Progress --- Comment #4 from Dimitry Andric --- Created attachment 227227 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D227227&action= =3Dedit Fix lldb sometimes throwing a 'unhandled Error' I've identified the problem, which only occurs when LLVM assertions are off (this is default on -STABLE and -RELEASE branches, but it can be turned off= on -CURRENT using WITHOUT_LLVM_ASSERTSIONS too), and submitted a fix to upstre= am as: https://reviews.llvm.org/D108088 Meanwhile, can you please try the attached patch on a recent FreeBSD 14.0 or 13.0 source tree, and see if it resolves the problem for you? (This probably won't apply cleanly on a stable/12 tree.) --=20 You are receiving this mail because: You are the assignee for the bug.=