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 X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BD644C433DB for ; Tue, 19 Jan 2021 04:32:52 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id EC914214D8 for ; Tue, 19 Jan 2021 04:32:51 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EC914214D8 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bugs.launchpad.net Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:34298 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l1ihG-00026M-PS for qemu-devel@archiver.kernel.org; Mon, 18 Jan 2021 23:32:50 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:44254) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l1ifk-0000Kk-Pt for qemu-devel@nongnu.org; Mon, 18 Jan 2021 23:31:16 -0500 Received: from indium.canonical.com ([91.189.90.7]:57164) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1l1ifh-0004uv-2h for qemu-devel@nongnu.org; Mon, 18 Jan 2021 23:31:16 -0500 Received: from loganberry.canonical.com ([91.189.90.37]) by indium.canonical.com with esmtp (Exim 4.86_2 #2 (Debian)) id 1l1iff-0003xS-Gm for ; Tue, 19 Jan 2021 04:31:11 +0000 Received: from loganberry.canonical.com (localhost [127.0.0.1]) by loganberry.canonical.com (Postfix) with ESMTP id 7DD002E8138 for ; Tue, 19 Jan 2021 04:31:11 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Date: Tue, 19 Jan 2021 04:17:23 -0000 From: Launchpad Bug Tracker <1563612@bugs.launchpad.net> To: qemu-devel@nongnu.org X-Launchpad-Notification-Type: bug X-Launchpad-Bug: product=qemu; status=Expired; importance=Undecided; assignee=None; X-Launchpad-Bug-Tags: linux-user X-Launchpad-Bug-Information-Type: Public X-Launchpad-Bug-Private: no X-Launchpad-Bug-Security-Vulnerability: no X-Launchpad-Bug-Commenters: janitor lau-7 th-huth X-Launchpad-Bug-Reporter: Bla Blub (lau-7) X-Launchpad-Bug-Modifier: Launchpad Janitor (janitor) References: <20160330003759.31129.50215.malonedeb@gac.canonical.com> Message-Id: <161102984334.12094.14235851604651044643.malone@loganberry.canonical.com> Subject: [Bug 1563612] Re: pulseaudio applications crash under linux-user-x86_64 X-Launchpad-Message-Rationale: Subscriber (QEMU) @qemu-devel-ml X-Launchpad-Message-For: qemu-devel-ml Precedence: bulk X-Generated-By: Launchpad (canonical.com); Revision="44709f752aec466e4fba4ac588c69193e99da5ce"; Instance="production" X-Launchpad-Hash: 4ebeb99197796f46010ec2966f0155c6330fd1a6 Received-SPF: none client-ip=91.189.90.7; envelope-from=bounces@canonical.com; helo=indium.canonical.com X-Spam_score_int: -65 X-Spam_score: -6.6 X-Spam_bar: ------ X-Spam_report: (-6.6 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.248, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Bug 1563612 <1563612@bugs.launchpad.net> Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" [Expired for QEMU because there has been no activity for 60 days.] ** Changed in: qemu Status: Incomplete =3D> Expired -- = You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1563612 Title: pulseaudio applications crash under linux-user-x86_64 Status in QEMU: Expired Bug description: Running a simple application that uses pulseaudio under qemu-i386 or qemu-x86_64 makes it crash (tested on Debian 8.0): # apt-get install build-essential qemu-user libpulse-dev pulseaudio $ cat > test.c << __EOF #include int main(void) { pa_simple *s; pa_sample_spec ss; ss.format =3D PA_SAMPLE_S16NE; ss.channels =3D 2; ss.rate =3D 44100; s =3D pa_simple_new(NULL, // Use the default server. "Fooapp", // Our application's name. PA_STREAM_PLAYBACK, NULL, // Use the default device. "Music", // Description of our stream. &ss, // Our sample format. NULL, // Use default channel map NULL, // Use default buffering // attributes. NULL // Ignore error code. ); int16_t buf[2 * 1000]; int i; memset(buf, 0, sizeof buf); for (i =3D 0; i < 44; i++) { pa_simple_write(s, buf, sizeof buf, NULL); } pa_simple_free(s); return 0; } __EOF $ gcc test.c -o test -lpulse -lpulse-simple $ ./test $ qemu-x86_64 ./test qemu: uncaught target signal 11 (Segmentation fault) - core dumped Segmentation fault $ = I think this is related to the futex system call. In an attempt to debug = the problem, I compiled pulseaudio in debug mode and it hit an assertion fa= ilure in pa_mutex_unlock. Thank you for developing QEMU. :-) To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1563612/+subscriptions