From owner-freebsd-stable@freebsd.org Mon Aug 3 09:36:17 2015 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 602219B15E7 for ; Mon, 3 Aug 2015 09:36:17 +0000 (UTC) (envelope-from killing@multiplay.co.uk) Received: from mail-wi0-f178.google.com (mail-wi0-f178.google.com [209.85.212.178]) (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 EA63D117B for ; Mon, 3 Aug 2015 09:36:16 +0000 (UTC) (envelope-from killing@multiplay.co.uk) Received: by wibxm9 with SMTP id xm9so112770466wib.0 for ; Mon, 03 Aug 2015 02:36:09 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-type :content-transfer-encoding; bh=CYwukqNk5IvzZ9ImfE0dOcv0jEYASrux4stnZXl31jI=; b=TeYhgSV7MPDQBuqpKF/1xwsU6H7s0IpgGRqeZ6wjJ+5gikgtX4qjGlkALRmYNoe5BE s7Y1gULZ7m3Q+8+98kkHEfTUeOCZwYahuYpNRrdcY+ED1HOA2e5gbruEiNPfiJaf2TfB Wnq9UZ8264jRsMzk9ETdKMlmCCLIinDPiFfX7zrpctlrv22a1hJkVVxv9GbmwdWopkDJ 3wMrkeK4Pz0s3sMkOphlUpK6x0FCPIGtmxhRoFkkK+TV882vrN87FRSg4CWgLNWTefG3 gpPHVveiJy+oLcj5oKEQhBC7hfgZT+Y6bMFYYrv6x1voRi9JkVrw7lAnyzlB0p+uAcZ2 HMRQ== X-Gm-Message-State: ALoCoQmQsKBGNEDbnqrXxDYwoW95e6thA9AcKKu4KFUEwhtY95pB0KGkCVXNI2jcBu+nFOCLWf1B X-Received: by 10.180.99.196 with SMTP id es4mr31056133wib.57.1438594568847; Mon, 03 Aug 2015 02:36:08 -0700 (PDT) Received: from [10.10.1.68] (82-69-141-170.dsl.in-addr.zen.co.uk. [82.69.141.170]) by smtp.gmail.com with ESMTPSA id fz16sm12627167wic.3.2015.08.03.02.36.07 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 03 Aug 2015 02:36:07 -0700 (PDT) Subject: Re: KSTACK_PAGES stuck at 2 despite options KSTACK_PAGES=4 To: freebsd-stable@freebsd.org References: From: Steven Hartland Message-ID: <55BF360E.5050509@multiplay.co.uk> Date: Mon, 3 Aug 2015 10:36:14 +0100 User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:38.0) Gecko/20100101 Thunderbird/38.1.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 8bit X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 03 Aug 2015 09:36:17 -0000 This should be fixed by r286223 in HEAD. I'll MFC to stable/10 after the relevant time-out. Thanks again for the report :) Regards Steve On 31/07/2015 22:21, Trond Endrestøl wrote: > stable/10, i386, r286139, 4 GiB RAM, custom kernel loudly claims: > > ZFS NOTICE: KSTACK_PAGES is 2 which could result in stack overflow panic! > Please consider adding 'options KSTACK_PAGES=4' to your kernel config > > Well, my custom kernel config does contain: > > options KSTACK_PAGES=4 > > and > > options ZFS > > sysctl kern.conftxt backs up my story: > > kern.conftxt: options CONFIG_AUTOGENERATED > ident VBOX > machine i386 > cpu I686_CPU > cpu I586_CPU > cpu I486_CPU > makeoptions WITH_CTF=1 > makeoptions DEBUG=-g > options ZFS > options KSTACK_PAGES=4 <---- !!!!!! > options FDESCFS > ... > > What more does it want? >