From owner-freebsd-current@FreeBSD.ORG Tue Mar 24 11:19:24 2015 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 139C690C for ; Tue, 24 Mar 2015 11:19:24 +0000 (UTC) Received: from courriel.site.uottawa.ca (eecsmail.engineering.uottawa.ca [137.122.24.224]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "*.site.uottawa.ca", Issuer "PositiveSSL CA 2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id B41A17C5 for ; Tue, 24 Mar 2015 11:19:22 +0000 (UTC) Received: from courriel.site.uottawa.ca (localhost [127.0.0.1]) by courriel.site.uottawa.ca (8.14.5/8.14.5) with ESMTP id t2OBJEUg082978; Tue, 24 Mar 2015 07:19:14 -0400 (EDT) (envelope-from kwhite@site.uottawa.ca) Received: from 66.186.85.232 (SquirrelMail authenticated user kwhite) by courriel.site.uottawa.ca with HTTP; Tue, 24 Mar 2015 07:19:14 -0400 (EDT) Message-ID: <54997.66.186.85.232.1427195954.squirrel@courriel.site.uottawa.ca> In-Reply-To: <528B3B45-378E-44CD-A286-0269E84C4F70@me.com> References: <20150319095306.C7719@admin16.site.uottawa.ca> <528B3B45-378E-44CD-A286-0269E84C4F70@me.com> Date: Tue, 24 Mar 2015 07:19:14 -0400 (EDT) Subject: Re: panic: UMA: Increase vm.boot_pages on Dell R920 r279210 From: kwhite@site.uottawa.ca To: "Rui Paulo" User-Agent: SquirrelMail/1.4.5 MIME-Version: 1.0 Content-Type: text/plain;charset=iso-8859-15 Content-Transfer-Encoding: 8bit X-Priority: 3 (Normal) Importance: Normal Cc: freebsd-current@freebsd.org X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 24 Mar 2015 11:19:24 -0000 > On Mar 19, 2015, at 07:34, Keith White wrote: >> I tried the suggestion "Increase vm.boot_pages" but am unsure how >> much. I tried doubling to 128, and even excessive(?) values like >> 102400; but got the same panic. > > How are you trying to change the value? Can you build a custom kernel and > confirm the value in uma_startup()? > > -- > Rui Paulo > ----------------- I'm using /boot/loader.conf. Is there another place I should be doing this? vfs.mountroot.timeout="10" boot_multicons="YES" boot_serial="YES" comconsole_speed="115200" console="comconsole,vidconsole" vm.boot_pages=1024 hw.mfi.mrsas_enable=1 ----------------- With a custom kernel, the value printed is 64 not my expected "1024": ... Copyright (c) 1992-2015 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights reserved. FreeBSD is a registered trademark of The FreeBSD Foundation. FreeBSD 11.0-CURRENT #0: Tue Mar 24 04:55:47 UTC 2015 root@:/usr/obj/usr/src/sys/GENERIC amd64 FreeBSD clang version 3.5.1 (tags/RELEASE_351/final 225668) 20150115 WARNING: WITNESS option enabled, expect reduced performance. === UMA startup boot_pages: 64 === VT: running with driver "vga". CPU: Intel(R) Xeon(R) CPU E7-4870 v2 @ 2.30GHz (2300.05-MHz K8-class CPU) Origin="GenuineIntel" Id=0x306e7 Family=0x6 Model=0x3e Stepping=7 Features=0xbfebfbff Features2=0x7fbee3ff AMD Features=0x2c100800 AMD Features2=0x1 Structured Extended Features=0x281 XSAVE Features=0x1 VT-x: PAT,HLT,MTF,PAUSE,EPT,UG,VPID,VID,PostIntr TSC: P-state invariant, performance statistics real memory = 1099478073344 (1048544 MB) avail memory = 1069175943168 (1019645 MB) Event timer "LAPIC" quality 600 ACPI APIC Table: FreeBSD/SMP: Multiprocessor System Detected: 80 CPUs FreeBSD/SMP: 4 package(s) x 10 core(s) x 2 SMT threads ... -------------- After boot, the value is as expected: # sysctl vm.boot_pages vm.boot_pages: 1024 ...keith