From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C5EB1C433F5 for ; Wed, 5 Jan 2022 21:31:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244430AbiAEVbG (ORCPT ); Wed, 5 Jan 2022 16:31:06 -0500 Received: from mail.efficios.com ([167.114.26.124]:51214 "EHLO mail.efficios.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244426AbiAEVbF (ORCPT ); Wed, 5 Jan 2022 16:31:05 -0500 Received: from localhost (localhost [127.0.0.1]) by mail.efficios.com (Postfix) with ESMTP id 523023C9BB6; Wed, 5 Jan 2022 16:31:05 -0500 (EST) Received: from mail.efficios.com ([127.0.0.1]) by localhost (mail03.efficios.com [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id xC3aI1Eo1gbY; Wed, 5 Jan 2022 16:31:05 -0500 (EST) Received: from localhost (localhost [127.0.0.1]) by mail.efficios.com (Postfix) with ESMTP id 142573C9BB5; Wed, 5 Jan 2022 16:31:05 -0500 (EST) DKIM-Filter: OpenDKIM Filter v2.10.3 mail.efficios.com 142573C9BB5 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=efficios.com; s=default; t=1641418265; bh=FtQsD0KAmJdh5/ojxWwmQ5T+gV2osP8+r5cvU8Cj10w=; h=Date:From:To:Message-ID:MIME-Version; b=C6EwY1U7dNY7Kha0vpBIH55ccGRopCA06FVjTqkxU8nta1gEveS3rebNfzPVz2u0q kaFiBpcPEL3eN5IJvW1/tMfO0keichX+NIlkWdFzADnkLaboCed5uM7UAVjCdbnNcx VsNl3GYtmsd2sAm7uTREsjkqLYB+OqtumXFg08/Xs/c18sas+x2HcHrsAJVUXxwRf+ DMGzzRs1BC8Itx3JDg4zp4InBtooiufVnh6wJ7igLyt2vs8tVwmmtszdA0VkNG6yMp gT+z3HxG13x8drn6aBdvKYGIJpNOHt+TIRwp+r/7gfw3ovLAzfp0RzQAaTQ8KUoPeo rgGthBRWfV//Q== X-Virus-Scanned: amavisd-new at efficios.com Received: from mail.efficios.com ([127.0.0.1]) by localhost (mail03.efficios.com [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id gT_DXEVSHCvQ; Wed, 5 Jan 2022 16:31:05 -0500 (EST) Received: from mail03.efficios.com (mail03.efficios.com [167.114.26.124]) by mail.efficios.com (Postfix) with ESMTP id 097843C9BB4; Wed, 5 Jan 2022 16:31:05 -0500 (EST) Date: Wed, 5 Jan 2022 16:31:05 -0500 (EST) From: Mathieu Desnoyers To: lttng-dev , Diamon discuss , linux-trace-users Message-ID: <739463869.5555.1641418265020.JavaMail.zimbra@efficios.com> In-Reply-To: <697935027.5550.1641418043715.JavaMail.zimbra@efficios.com> References: <697935027.5550.1641418043715.JavaMail.zimbra@efficios.com> Subject: Re: [RELEASE] LTTng-UST 2.12.3 and 2.11.5 (Linux user-space tracer) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Originating-IP: [167.114.26.124] X-Mailer: Zimbra 8.8.15_GA_4180 (ZimbraWebClient - FF95 (Linux)/8.8.15_GA_4177) Thread-Topic: LTTng-UST 2.12.3 and 2.11.5 (Linux user-space tracer) Thread-Index: m7GiKJygw0akYxq/Mbpwf/qNqXu0iQenq/5J Precedence: bulk List-ID: X-Mailing-List: linux-trace-users@vger.kernel.org ----- On Jan 5, 2022, at 4:27 PM, Mathieu Desnoyers mathieu.desnoyers@efficios.com wrote: > Hi, > > This is a release announcement for the LTTng-UST 2.12.3 and 2.11.5 > tracer. Those are bug fix releases. > > The 2.11.5 release marks the end of life (EOL) of the stable-2.11 branch. > Users experiencing issues with the 2.11 branch are expected to upgrade to > either 2.12.3 or 2.13.1. > > Note that the latest stable branch is 2.13 (its most recent release > is 2.13.1, released on December 10, 2021). > > * Notable changes in 2.12.3: > > Two notable fixes are "Fix: nestable pthread cancelstate" and > "Fix: abort on decrement_sem_count during concurrent tracing start and > teardown", > which fix a rare deadlock scenario at application exit. Just as a clarification, the second fix corrects a race scenario triggering an assertion failure. Thanks, MAthieu > > Another notable fix is "fix: liblttng-ust-fd async-signal-safe close()", which > ensures that the implementation of the symbol interposition for "close" is > async-signal safe, as it should be. > > Please refer to the change logs below for the fixes contained in those > two releases. > > Feedback is welcome, > > Thanks, > > Mathieu > > Project website: https://lttng.org > Documentation: https://lttng.org/docs > Download link: https://lttng.org/download > > > 2022-01-05 (National Bird Day) lttng-ust 2.12.3 > * Fix: ust-cancelstate: include string.h for strerror > * Fix: lttng-ust-fd: remove lttng_ust_common_ctor call > * Fix: nestable pthread cancelstate > * Fix: abort on decrement_sem_count during concurrent tracing start and teardown > * fix: liblttng-ust-fd async-signal-safe close() > * Set git-review branch to stable-2.12 > * fix: link benchmark with pthread > * Fix: liblttng-ust-ctl have dependencies on liburcu > * Fix: add extern "C" to two header files > > 2022-01-05 (National Bird Day) lttng-ust 2.11.5 > * Set git-review branch to stable-2.11 > * fix: allow building with userspace-rcu 0.13 > > -- > Mathieu Desnoyers > EfficiOS Inc. > http://www.efficios.com -- Mathieu Desnoyers EfficiOS Inc. http://www.efficios.com