From owner-freebsd-current@freebsd.org Wed Aug 29 09:37:56 2018 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 8520810834FE for ; Wed, 29 Aug 2018 09:37:56 +0000 (UTC) (envelope-from yuripv@yuripv.net) Received: from out1-smtp.messagingengine.com (out1-smtp.messagingengine.com [66.111.4.25]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 284A5845B8 for ; Wed, 29 Aug 2018 09:37:56 +0000 (UTC) (envelope-from yuripv@yuripv.net) Received: from compute5.internal (compute5.nyi.internal [10.202.2.45]) by mailout.nyi.internal (Postfix) with ESMTP id 53C6121D27 for ; Wed, 29 Aug 2018 05:37:55 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute5.internal (MEProxy); Wed, 29 Aug 2018 05:37:55 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yuripv.net; h= content-transfer-encoding:content-type:date:from:message-id :mime-version:subject:to:x-me-sender:x-me-sender:x-sasl-enc; s= fm2; bh=Ccvwdwahdh5beOal0MkhqKnxpMqXzeyzmDL16XMEP2c=; b=b7/C8kAg XynZDXiRRAdZ9N308RAkfRhFm9kbt2T5FcgXhIsYkYqEsAMGtIcCI/mvteQXo/ON z3pee110rCftthnShAz1uUQ8ui/FIYI0jHDmiyuf4wUUhQPaqiUshyfurD0VjoOJ ybTBFl4KqvKyOJeHoGBotOfXJAtre4RF6NfXLz9+xujLOvDaaKj/j/WXKy4UsxYp 2tOtmYsiBXoGndrBXYav9qvpePQQe7PVvRgj5p/FMP/jtgkvcyifaIQgJN6WJvjV u7WXe26NkzWESopENdZIE4V2fMhfMEfjPuRTySZ1ymoFEERfDE9eYk5UjQLwYDef qse3sVgcWEaT9g== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=content-transfer-encoding:content-type :date:from:message-id:mime-version:subject:to:x-me-sender :x-me-sender:x-sasl-enc; s=fm3; bh=Ccvwdwahdh5beOal0MkhqKnxpMqXz eyzmDL16XMEP2c=; b=vsDw8Tpl+N+otBBMColys5HcmOM7I/tEqjjYvCJO/vt4g cyMZdiH3WPQlcgGv/Hc98bwIyZQfSzV2hdw7vJTdC7pOjMgskBgIGlIdeOi+3sRE a33tZQp8j+tmV/4c322KCUTCiAs6yjEFxDg9D8nTElBhCZ7JSzRJpDkM8Ps0Wuaz aRnpAkZr3GqSSCVJh+BoplaJm4vuTtgRNQ2BoplOMC6UKl/dkgqQuxCUN+ApFbVy 61L3ct2IWrZDOj3w6cCnyJzXRVHCQV7nmsmu4yot+9c2pXiHkEIyagthfXxtL/37 UJzx0Bjd8IqY4e98HTbLzbP+SGArokm8esj53Yefw== X-ME-Proxy: X-ME-Sender: Received: from [192.168.1.2] (unknown [178.34.99.43]) by mail.messagingengine.com (Postfix) with ESMTPA id ED95F1028F for ; Wed, 29 Aug 2018 05:37:53 -0400 (EDT) From: Yuri Pankov Subject: r336921 broke booting on MBP 2017, EFIRT related To: freebsd-current Message-ID: <499f05f4-4fab-9b31-5d37-83ecb554013c@yuripv.net> Date: Wed, 29 Aug 2018 12:37:52 +0300 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.27 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: Wed, 29 Aug 2018 09:37:56 -0000 Hi, I've noticed that all recent snapshots (ALPHA3, ALPHA2, ALPHA1, 20180802) fail to boot on MBP 2017: kbd0 at kbdmux0 netmap: loaded module nexus0 Fatal trap 12: page fault while in kernel mode cpuid = 2: apic id = 02 fault virtual address = 0x74c64a50 fault code = supervisor read data, page not present instruction pointer = 0x20: 0x7abece31 stack pointer = 0x28: 0xffffffff82b2f7c0 frame pointer = 0x28: 0xffffffff82b2f810 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 0 (swapper) [ thread pid 0 tid 100000 ] Stopped at 0x7abece31: calll *0x18(%rax) db> Sadly, there's no support for internal keyboard yet (it's connected via SPI), and external USB one stops working. A (not so quick) bisect is pointing at r336921, which enabled EFIRT. Some questions here: - is this something that can/should be fixed? - can we print some "enabling EFIRT" message to the console to make guesses about the problem source a bit easier?