From owner-freebsd-hackers@freebsd.org Fri Jan 29 09:44:02 2016 Return-Path: Delivered-To: freebsd-hackers@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 118F3A71CBB for ; Fri, 29 Jan 2016 09:44:02 +0000 (UTC) (envelope-from trond@fagskolen.gjovik.no) Received: from smtp.fagskolen.gjovik.no (smtp.fagskolen.gjovik.no [IPv6:2001:700:1100:1:200:ff:fe00:b]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "smtp.fagskolen.gjovik.no", Issuer "Fagskolen i Gj??vik" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 848DC1F93 for ; Fri, 29 Jan 2016 09:44:01 +0000 (UTC) (envelope-from trond@fagskolen.gjovik.no) Received: from mail.fig.ol.no (localhost [127.0.0.1]) by mail.fig.ol.no (8.15.2/8.15.2) with ESMTPS id u0T9hsS7093272 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Fri, 29 Jan 2016 10:43:55 +0100 (CET) (envelope-from trond@fagskolen.gjovik.no) Received: from localhost (trond@localhost) by mail.fig.ol.no (8.15.2/8.15.2/Submit) with ESMTP id u0T9hsiA093269; Fri, 29 Jan 2016 10:43:54 +0100 (CET) (envelope-from trond@fagskolen.gjovik.no) X-Authentication-Warning: mail.fig.ol.no: trond owned process doing -bs Date: Fri, 29 Jan 2016 10:43:54 +0100 (CET) From: =?ISO-8859-1?Q?Trond_Endrest=F8l?= Sender: Trond.Endrestol@fagskolen.gjovik.no To: krad cc: Steven Hartland , Eric McCorkle , freebsd-hackers@freebsd.org, Gabor Radnai Subject: Re: EFI/ZFS Update: successful tests, need more complex vdevs In-Reply-To: Message-ID: References: <9418E44F-114E-4ABA-A32D-416297BCDA9F@metricspace.net> <56985C6A.6040209@multiplay.co.uk> User-Agent: Alpine 2.20 (BSF 67 2015-01-07) Organization: Fagskolen Innlandet OpenPGP: url=http://fig.ol.no/~trond/trond.key MIME-Version: 1.0 X-Spam-Status: No, score=-1.0 required=5.0 tests=ALL_TRUSTED, AWL autolearn=ham autolearn_force=no version=3.4.1 X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on mail.fig.ol.no Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT X-Content-Filtered-By: Mailman/MimeDel 2.1.20 X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 29 Jan 2016 09:44:02 -0000 On Thu, 28 Jan 2016 09:31-0000, krad wrote: > Is the MFC still on course? I'm in a position to test on current today or > tomorrow, but am wondering now it its worth waiting a day until it's in > 10-Stable? I just upgraded my UEFI ZFS laptop to stable/10 r295034. The new boot1.efi boot loader is a miracle. Now I can rid myself of the UFS partition previously holding /boot. Thank you all! -- +-------------------------------+------------------------------------+ | Vennlig hilsen, | Best regards, | | Trond Endrestøl, | Trond Endrestøl, | | IT-ansvarlig, | System administrator, | | Fagskolen Innlandet, | Gjøvik Technical College, Norway, | | tlf. mob. 952 62 567, | Cellular...: +47 952 62 567, | | sentralbord 61 14 54 00. | Switchboard: +47 61 14 54 00. | +-------------------------------+------------------------------------+ From owner-freebsd-hackers@freebsd.org Fri Jan 29 18:40:10 2016 Return-Path: Delivered-To: freebsd-hackers@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 DA1ADA726CB for ; Fri, 29 Jan 2016 18:40:10 +0000 (UTC) (envelope-from efimyury@gmail.com) Received: from mail-wm0-x22f.google.com (mail-wm0-x22f.google.com [IPv6:2a00:1450:400c:c09::22f]) (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 75C471E8F for ; Fri, 29 Jan 2016 18:40:10 +0000 (UTC) (envelope-from efimyury@gmail.com) Received: by mail-wm0-x22f.google.com with SMTP id l66so78858279wml.0 for ; Fri, 29 Jan 2016 10:40:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=user-agent:from:to:subject:date:message-id:mime-version :content-type; bh=qmBcWCaXqsn8Cid2UwOZHGKcIBWFZn9H+8pRSHJ9g0k=; b=hTj94HWE/bRVDnAhAJPdLgRcE45KzEGcXBl0iQp3Z94WTJwAl31cmqXoafp9eyApt6 wn2FDyPf97mK+KoXXzQf2g/BsLSxEwcB9/ybRY0/hqVHIspmfvx7UXUQ73mNlZD4JfzQ 6DIzxTV/5CTMWGzH4vtptF+9IUbfhVyxBbs3tR2WA5zhLhTiRYnlA7s/lDgKqbx2UeEM jH/h3UYlbLkqXuGR0fkcp8pGQu+nsOwNIG+LT6hU6nV138zd3l3xZ1w5W4knh2MdjpXF UUS0EmwFRYtfWVQ/0N2h9alRXpLaZUQg/ZNHjs21hTsF0KuZvjWPnafq09eiKuYdqNzz Sz5A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:user-agent:from:to:subject:date:message-id :mime-version:content-type; bh=qmBcWCaXqsn8Cid2UwOZHGKcIBWFZn9H+8pRSHJ9g0k=; b=T8WqxNyj7wz9be+u7aQg0XnDzCXQelDLlu1YkhV2IsB9b203jRg9AM7uwwRXbhD9Zt EvaEjDGs83dArIy43bu3p3/fvwykYHXpJzIhtCZO+Nidi5wOztpztdpXIYHBh7OeUufu QgTYMgKsILUqc99oNBuXwJcpNKCzK6LqvKWgpahtILed3CLkfseKa6u1mXYt1wyy/X+6 jN5XmSSF79dKUPmDkMeIOme2DvA3AmGfgZkgMeVoKX8gvUz8Fgt7/AlUU/Stx3ZZTjj2 yGyEfLGsvclu6cbnVygZ4yNViS51BCPUn+u/BJfKivrM4v5ghDRTi3vVk5+XrfV3keIh uu8Q== X-Gm-Message-State: AG10YOQS/yDywE6VfdZ6+JXQP65yvKnBQaqX7fG5PtVhvc9/WG7Zph0HxrY1/yajXgrwdA== X-Received: by 10.28.52.134 with SMTP id b128mr9918786wma.99.1454092809007; Fri, 29 Jan 2016 10:40:09 -0800 (PST) Received: from localhost.localdomain ([93.85.24.234]) by smtp.gmail.com with ESMTPSA id b127sm8619586wmh.9.2016.01.29.10.40.07 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 29 Jan 2016 10:40:08 -0800 (PST) User-agent: mu4e 0.9.15; emacs 24.5.1 From: Yury Efimochev To: "freebsd-hackers\@freebsd.org" Subject: strange malloc behavior Date: Fri, 29 Jan 2016 21:40:06 +0300 Message-ID: <87si1gkz5l.fsf@gmail.com> MIME-Version: 1.0 Content-Type: text/plain X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 29 Jan 2016 18:40:10 -0000 Hi, Recently I faced the following problem. After update from 9.2-RELEASE-p17 to 9.3-RELEASE-p24 on our production server our service started crashing with SIGSEG/SIGBUS on regular basis(roughly once a day). Investigation revealed that crashes were caused by the fact that under certain circumstances malloc may return pointer on same memory for multiple clients from different threads. We suggested that our problem was caused by thread-specific cache, so we disabled it(by adding 'MALLOC_OPTIONS=7h' to our service environment). That fixed crashes, but caused 10-100 'std::bad_alloc' exceptions every day(no 'std::bad_alloc' exceptions before that for months). Did anyone face similar issues? -- Best regards, Yury Efimochev