From owner-freebsd-stable@freebsd.org Sat Aug 5 01:10:50 2017 Return-Path: Delivered-To: freebsd-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 74287DD2DAE for ; Sat, 5 Aug 2017 01:10:50 +0000 (UTC) (envelope-from kob6558@gmail.com) Received: from mail-pg0-x22d.google.com (mail-pg0-x22d.google.com [IPv6:2607:f8b0:400e:c05::22d]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 3FA6B82BB1; Sat, 5 Aug 2017 01:10:50 +0000 (UTC) (envelope-from kob6558@gmail.com) Received: by mail-pg0-x22d.google.com with SMTP id v77so13758646pgb.3; Fri, 04 Aug 2017 18:10:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:sender:from:date:message-id:subject:to; bh=Q+60JO5B4BvmrUDBtCuY4GfJiUn3pZtQTX7yZvhYdvM=; b=O50f8U/9CKeP9UCWweUA/CWAyVqZcClhqWIe3UVH7LxRhM78VmKlzRZnBgeQTmf3m1 VuDDxBKvXO+ATthuLQvlb/Sg4gdprsSsmi2kkW2Q/nX2tzOnNAVFOZCjB16Hx+XTa9n5 eNKoonSj3KHPw45tOLK2cd3ntaDoteIchG97TAH+B/9NpFCipNFqGSjotUB5IZPDqsA+ +lRuWq13JGEtRqrMFNGO3HyQuNsHLcJc7ouSA5xKHXB0w9oEkxEmCCN5C+VvKfg6er2F ebnqPolE9OFv9SQciO9ElBd2p79LQnu/1ZF9O9vKgFtKm9BJw2Fqy2CAGqymLK7AVYt5 lbxw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:sender:from:date:message-id:subject :to; bh=Q+60JO5B4BvmrUDBtCuY4GfJiUn3pZtQTX7yZvhYdvM=; b=aYSVTSOuQnn1f05ufjZCrToiaVWtLPwVRVJRRnKP6Y7jwwLiIkLP5yK3bOM3elmayc Ihe0hR4b+sRjtozy7Ric/+bMlAIFgUUhbCQBrAFgVFNFkKvzQg3fmUbQZ7r1bmLuglyz gSYdVTvIfDUJWW/tFgGW+ULvSkEBwHlepVQa9BKijYkaMUWebUc1hf4s2lH+gMuw8Xuq C2kmvTF7oCjttVQGu/9F1cBK9ZYJnBTh53VnJksU13roPu520mxiAm9QBxejO+4CHIIG yWqRL++t9hEBHHJOn4Lu3bARZ8uNrpSnKcXHUpbmL8sRRaokqWR9Qg8aQk8vONylynlj lfuw== X-Gm-Message-State: AIVw112hYYsjw0yigDF94AK2I1HRSOBqtLBOGg5wrk8clk9F0AAQNYts L8PLbTuqpJHbG7csgOchs8bSJnx8kWItIOQ= X-Received: by 10.84.128.14 with SMTP id 14mr4954470pla.285.1501895448942; Fri, 04 Aug 2017 18:10:48 -0700 (PDT) MIME-Version: 1.0 Sender: kob6558@gmail.com Received: by 10.100.165.42 with HTTP; Fri, 4 Aug 2017 18:10:48 -0700 (PDT) From: Kevin Oberman Date: Fri, 4 Aug 2017 18:10:48 -0700 X-Google-Sender-Auth: nriiKXzCH1VWyVHB3KaU3yjw5qQ Message-ID: Subject: Program crashes after 320666 To: FreeBSD-STABLE Mailing List , Konstantin Belousov Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.23 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 05 Aug 2017 01:10:50 -0000 multimedia/avidemux_qt4 has started dumping core with segfaults and other errors in libthread called from Qt4. I am suspicious that the real problem is in Qt4 and those errors were previously not detected and usually not causing a problem. The problem shows up with kernels at r320666 and later. The update on July 5 was: Add MAP_GUARD and use it for stack protection. Should I open a ticket for the Qt4 or should I spend more effort on whether it might be a kernel issue. (Pretty sure it's Qt4 at fault.) I might also look into updating the port to use Qr5 as Qt4 is clearly starting to bitrot and support for Qt5 has already been added upstream. -- Kevin Oberman, Part time kid herder and retired Network Engineer E-mail: rkoberman@gmail.com PGP Fingerprint: D03FB98AFA78E3B78C1694B318AB39EF1B055683