From owner-freebsd-current@FreeBSD.ORG Sat Nov 7 09:20:54 2009 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E06B01065672 for ; Sat, 7 Nov 2009 09:20:54 +0000 (UTC) (envelope-from serguey-grigoriev@yandex.ru) Received: from forward9.yandex.ru (forward9.yandex.ru [77.88.61.48]) by mx1.freebsd.org (Postfix) with ESMTP id 974FE8FC19 for ; Sat, 7 Nov 2009 09:20:54 +0000 (UTC) Received: from webmail39.yandex.ru (webmail39.yandex.ru [77.88.60.18]) by forward9.yandex.ru (Yandex) with ESMTP id EE65846822A; Sat, 7 Nov 2009 12:20:52 +0300 (MSK) Received: from localhost (localhost.localdomain [127.0.0.1]) by webmail39.yandex.ru (Yandex) with ESMTP id CFAA710481D6; Sat, 7 Nov 2009 12:20:52 +0300 (MSK) X-Yandex-Spam: 1 X-Yandex-Front: webmail39 X-Yandex-TimeMark: 1257585652 Received: from [89.223.19.70] ([89.223.19.70]) by mail.yandex.ru with HTTP; Sat, 07 Nov 2009 12:20:51 +0300 From: S.N.Grigoriev To: gary.jennejohn@freenet.de In-Reply-To: <20091106101943.5a763f43@ernst.jennejohn.org> References: <1031257439203@webmail57.yandex.ru> <20091105184925.16b55c43@ernst.jennejohn.org> <31221257446063@webmail71.yandex.ru> <20091106101943.5a763f43@ernst.jennejohn.org> MIME-Version: 1.0 Message-Id: <41361257585651@webmail39.yandex.ru> Date: Sat, 07 Nov 2009 12:20:51 +0300 X-Mailer: Yamail [ http://yandex.ru ] 5.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain Cc: freebsd-current@freebsd.org Subject: Re: 8.0RC2 amd64 - kernel panic running make buildworld X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 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: Sat, 07 Nov 2009 09:20:55 -0000 06.11.09, 10:19, "Gary Jennejohn" wrote: > On Thu, 05 Nov 2009 21:34:23 +0300 > S.N.Grigoriev wrote: > > > > > > 05.11.09, 18:49, "Gary Jennejohn" : > > > > > On Thu, 05 Nov 2009 19:40:03 +0300 > > > S.N.Grigoriev wrote: > > > > > > > > 04.11.09, 16:51, "Alexandre \"Sunny\" Kovalenko" > > > > wrote: > > > > > > > > > On Wed, 2009-11-04 at 13:44 +0300, S.N.Grigoriev wrote: > > > > > > Hi list, > > > > > > > > > > > > I can confirm I've seen the same problem. After upgrading from 7-stable > > > > > > to 8.0-RC2 my machine just reboots during 'make buildworld' without > > > > > > diagnostics. But switching vm.pmap.pg_ps_enabled on/off does not > > > > > > work for me. My machine reboots every time I try to build world. > > > > > > I don't think I have a hardware problem: under 7-stable I can build > > > > > > world/kernel for both 7-stable and 8.0-RC2 without problems. > > > > > > > > > > > Is it by any chance possible that you have 'debug.debugger_on_panic' set > > > > > to '0' and no valid dump device configured? > > > > > > > > Hi Alexandre, > > > > > > > > I've not found 'debug.debugger_on_panic' variable in 'sysctl -a' > > > > output. Where cat I find it? All my sysctl variables are set by > > > > default. > > > Do you have "options DDB" in your kernel config file? > > > --- > > > Gary Jennejohn > > > > Hi Gary, > > > > my current kernel is GENERIC, so I don't have "options DDB". > > > Well, you need that option to see the DDB (debug) sysctl's. > --- I've recompiled the kernel with 'options DDB' (using 7-stable). The sysctl variable 'debug.debugger_on_panic' is now set to '1'. But I still have silent reboots every time I try to build world/kernel. 'savecore -v' reports: 'no dumps found'. What did I do incorrectly? -- Regards, S.Grigoriev.