Return-Path: X-Original-To: archive-asf-public-internal@cust-asf2.ponee.io Delivered-To: archive-asf-public-internal@cust-asf2.ponee.io Received: from cust-asf.ponee.io (cust-asf.ponee.io [163.172.22.183]) by cust-asf2.ponee.io (Postfix) with ESMTP id 692AA200BF4 for ; Fri, 23 Dec 2016 01:41:45 +0100 (CET) Received: by cust-asf.ponee.io (Postfix) id 67947160B27; Fri, 23 Dec 2016 00:41:45 +0000 (UTC) Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by cust-asf.ponee.io (Postfix) with SMTP id 814B5160B26 for ; Fri, 23 Dec 2016 01:41:44 +0100 (CET) Received: (qmail 29037 invoked by uid 500); 23 Dec 2016 00:41:43 -0000 Mailing-List: contact dev-help@httpd.apache.org; run by ezmlm Precedence: bulk Reply-To: dev@httpd.apache.org list-help: list-unsubscribe: List-Post: List-Id: Delivered-To: mailing list dev@httpd.apache.org Received: (qmail 29027 invoked by uid 99); 23 Dec 2016 00:41:43 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd4-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 23 Dec 2016 00:41:43 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd4-us-west.apache.org (ASF Mail Server at spamd4-us-west.apache.org) with ESMTP id D0447C033A for ; Fri, 23 Dec 2016 00:41:42 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd4-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -0.821 X-Spam-Level: X-Spam-Status: No, score=-0.821 tagged_above=-999 required=6.31 tests=[DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001] autolearn=disabled Authentication-Results: spamd4-us-west.apache.org (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mx1-lw-eu.apache.org ([10.40.0.8]) by localhost (spamd4-us-west.apache.org [10.40.0.11]) (amavisd-new, port 10024) with ESMTP id W8SBkSPjWK37 for ; Fri, 23 Dec 2016 00:41:38 +0000 (UTC) Received: from mail-qt0-f179.google.com (mail-qt0-f179.google.com [209.85.216.179]) by mx1-lw-eu.apache.org (ASF Mail Server at mx1-lw-eu.apache.org) with ESMTPS id DCBE85F1B3 for ; Fri, 23 Dec 2016 00:41:37 +0000 (UTC) Received: by mail-qt0-f179.google.com with SMTP id d45so27455752qta.1 for ; Thu, 22 Dec 2016 16:41:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to; bh=52tVSUaqnAAeiVUcTP2Zn6GOzpbeI/acXAsoRbocU10=; b=H5gqjrgWbM0UsBSqR9yhMQ/ozQ0EMm8D8N089KOaoVlGxQKp5fYFe9347UZj3bNBin EogQk9igL5RUpH8yglQdp1W5d3Y+rd9Zy3NqpHmLV1TPxWfSPMR/W3+us6+xGDNpefm9 AX4LSKVm+3jDTR8cbNrmALR5wLC4v2WYMJ37WQbDy8Q61MjohdiHpCxtj0Jmmw0SUgst kakoJkgIpA7ZjpNXPUaHqvQ+wwea2s/T+l97P7uZB/Igcf36vWUfGjzg2+QKcZCroK8P 3Hjr8MU1ae3jMDE30toyggSvz+It+D2HkP9X01epCbqi1TIouTW12S3fqWas/3x7Xbmz SxzQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to; bh=52tVSUaqnAAeiVUcTP2Zn6GOzpbeI/acXAsoRbocU10=; b=jP1ATDe21wj+FaFZXkVbgjDPMCv0WAQe26hGMTgdP/PacvORTuVzG/xMxslgXu08Bh u8nI+orb079WjDCj9U2S3Dpd/xMmhlpGbl++A6iYEbS3HgeBm3u5naZcE1sWGGLZqTK9 ZSXtB0kRkNcjDDz+rUFaSJwJZDHQYOgv8b+dGZzdI2fqn6A2YGvWYeSSFkzjE39UlF1J H5jtJftvXET7+wL4QWTEBaH/fdNt3CX5IrUlo6W88exkTgVhRdWP5+MAZvrl1MQR1Iig eY7mIlYCR2NwwV497rGWCUkiZqJTOv267DQGUtkKRIaZilDlxOqVtS2h8oistTcfL5lK d/YA== X-Gm-Message-State: AIkVDXIQ0QyVU8Lps90hcIP+MfMbxcWZgXKIbQ4TRLCM0FSDiL4y6U/mlrDD3ktr5Als4ZElGUggIGAS/b/zdg== X-Received: by 10.200.44.217 with SMTP id 25mr9724941qtx.176.1482453693693; Thu, 22 Dec 2016 16:41:33 -0800 (PST) MIME-Version: 1.0 Received: by 10.55.177.66 with HTTP; Thu, 22 Dec 2016 16:41:32 -0800 (PST) In-Reply-To: References: <8610c372-7ac4-c1bc-64fc-4de981267f22@profihost.ag> <9413e65e-b037-c07d-267e-dcd7011386ff@profihost.ag> From: Yann Ylavic Date: Fri, 23 Dec 2016 01:41:32 +0100 Message-ID: Subject: Re: Frequent wake-ups for mpm_event To: httpd-dev Content-Type: text/plain; charset=UTF-8 archived-at: Fri, 23 Dec 2016 00:41:45 -0000 Hi Stefan, On Tue, Dec 20, 2016 at 1:52 PM, Stefan Priebe - Profihost AG wrote: > > Today i had another server giving no answers to any requests. apache > fullstatus did not respond. Since v5 of the patch, I committed another related change in trunk, namely: http://svn.apache.org/r1774538 It's about lingering keepalive connections on graceful restart which may not cause a wakeup. Does it help? > > gdb bt shows this for all httpd childs: These backtraces are the ones of the main thread, probably not the culprit. What does "thread apply all bt" say? Regards, Yann.