From owner-freebsd-current@freebsd.org Mon May 16 10:38:41 2016 Return-Path: Delivered-To: freebsd-current@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 E038BB3CB72 for ; Mon, 16 May 2016 10:38:41 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id CAA35114A for ; Mon, 16 May 2016 10:38:41 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: by mailman.ysv.freebsd.org (Postfix) id C65F1B3CB70; Mon, 16 May 2016 10:38:41 +0000 (UTC) Delivered-To: current@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 C3C67B3CB6F for ; Mon, 16 May 2016 10:38:41 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from kib.kiev.ua (kib.kiev.ua [IPv6:2001:470:d5e7:1::1]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id AD6EC1149 for ; Mon, 16 May 2016 10:38:40 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from tom.home (kib@localhost [127.0.0.1]) by kib.kiev.ua (8.15.2/8.15.2) with ESMTPS id u4GAcZBn051139 (version=TLSv1 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO); Mon, 16 May 2016 13:38:35 +0300 (EEST) (envelope-from kostikbel@gmail.com) DKIM-Filter: OpenDKIM Filter v2.10.3 kib.kiev.ua u4GAcZBn051139 Received: (from kostik@localhost) by tom.home (8.15.2/8.15.2/Submit) id u4GAcZ5w051138; Mon, 16 May 2016 13:38:35 +0300 (EEST) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: tom.home: kostik set sender to kostikbel@gmail.com using -f Date: Mon, 16 May 2016 13:38:35 +0300 From: Konstantin Belousov To: Gary Jennejohn Cc: current@FreeBSD.org Subject: Re: EARLY_AP_STARTUP hangs during boot Message-ID: <20160516103835.GT89104@kib.kiev.ua> References: <20160516122242.39249a54@ernst.home> <20160516122731.65a8614a@ernst.home> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160516122731.65a8614a@ernst.home> User-Agent: Mutt/1.6.1 (2016-04-27) X-Spam-Status: No, score=-2.0 required=5.0 tests=ALL_TRUSTED,BAYES_00, DKIM_ADSP_CUSTOM_MED,FREEMAIL_FROM,NML_ADSP_CUSTOM_MED autolearn=no autolearn_force=no version=3.4.1 X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on tom.home X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.22 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: Mon, 16 May 2016 10:38:42 -0000 On Mon, May 16, 2016 at 12:27:31PM +0200, Gary Jennejohn wrote: > On Mon, 16 May 2016 12:22:42 +0200 > Gary Jennejohn wrote: > > > I tried out EARLY_AP_STARTUP, but the kernel hangs and I can't > > break into DDB. > > > > I did a verbose boot and the last lines I see are related to routing > > MSI-X to various local APIC vectors. I copied the last few lines and > > they look like this: > > > > msi: routing MSI-X IRQ 256 to local APIC 2 vector 48 > > msi: routing MSI-X IRQ 257 to local APIC 3 vector 48 > > msi: routing MSI-X IRQ 258 to local APIC 4 vector 48 > > msi: routing MSI-X IRQ 256 to local APIC 0 vector 49 > > Oops, the the last line should read > msi: Assigning MSI-X IRQ 256 to local APIC 0 vector 49 You should be able to enter ddb at this point. Methods depend on the console used, serial break for serial console, ctrl-alt-esc for sc/vt AFAIR. If you have IPMI/DRAC/ILO, send nmi. After getting at ddb> prompt, do 'bt' then 'ps' then 'alltrace' and show the output.