From owner-freebsd-ppc@freebsd.org Tue Sep 22 19:45:21 2020 Return-Path: Delivered-To: freebsd-ppc@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id C2D843F4846 for ; Tue, 22 Sep 2020 19:45:21 +0000 (UTC) (envelope-from bdragon@FreeBSD.org) Received: from smtp.freebsd.org (smtp.freebsd.org [IPv6:2610:1c1:1:606c::24b:4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "smtp.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4BwsGn4mRLz4Wf3; Tue, 22 Sep 2020 19:45:21 +0000 (UTC) (envelope-from bdragon@FreeBSD.org) Received: from auth1-smtp.messagingengine.com (auth1-smtp.messagingengine.com [66.111.4.227]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) (Authenticated sender: bdragon/mail) by smtp.freebsd.org (Postfix) with ESMTPSA id 8218B1E4DE; Tue, 22 Sep 2020 19:45:21 +0000 (UTC) (envelope-from bdragon@FreeBSD.org) Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailauth.nyi.internal (Postfix) with ESMTP id 7A74F27C0058; Tue, 22 Sep 2020 15:45:21 -0400 (EDT) Received: from imap1 ([10.202.2.51]) by compute4.internal (MEProxy); Tue, 22 Sep 2020 15:45:21 -0400 X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedujedrudeggddugedtucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne gfrhhlucfvnfffucdluddtmdenucfjughrpefofgggkfgjfhffhffvufgtsehttdertder reejnecuhfhrohhmpedfuehrrghnughonhcuuegvrhhgrhgvnhdfuceosggurhgrghhonh eshfhrvggvuefuffdrohhrgheqnecuggftrfgrthhtvghrnhepheeiieekkeffkeelkeel geetgfeltdetgffhudetieekveefvdfhgefgffdujefgnecuffhomhgrihhnpehfrhgvvg gsshgurdhorhhgnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrghilhhf rhhomhepsggurhgrghhonhdomhgvshhmthhprghuthhhphgvrhhsohhnrghlihhthidqud dtgedvfeehkeeigedqudekuddtkeehuddqsggurhgrghhonheppefhrhgvvgeuufffrdho rhhgsehimhgrphdrtggt X-ME-Proxy: Received: by mailuser.nyi.internal (Postfix, from userid 501) id 3FEBFC200A5; Tue, 22 Sep 2020 15:45:21 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.3.0-355-g3ece53b-fm-20200922.004-g3ece53b9 Mime-Version: 1.0 Message-Id: <92f57afb-33cb-4d38-be17-4b8c81cb9c89@www.fastmail.com> In-Reply-To: References: <52783D16-5DCA-45BC-9238-2518326454A1@yahoo.com> <6E99EE39-D2B8-415A-A5BF-823C0F0C22D6@yahoo.com> <11fe573a-24c3-47be-95ed-c601ec54f168@www.fastmail.com> Date: Tue, 22 Sep 2020 14:45:01 -0500 From: "Brandon Bergren" To: "Mark Millard" Cc: "FreeBSD PowerPC ML" Subject: =?UTF-8?Q?Re:_head_-r365932_on_PowerMac_G5_(2_dual-core_sockets):_Crashe?= =?UTF-8?Q?s_before_login_prompt_if_powerd_is_enabled_in_/etc/rc.conf?= Content-Type: text/plain X-BeenThere: freebsd-ppc@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: Porting FreeBSD to the PowerPC List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 22 Sep 2020 19:45:21 -0000 On Tue, Sep 22, 2020, at 2:35 PM, Mark Millard wrote: > > Seems to target 32 bit powerpc but the context I'm reporting is > for powerpc64 overall. May be the mis-compiles are not limited > to 32-bit powerpc variants? DOH! You're right, Try a build with _MINUS_O forced to -O2 and see if that fixes things. FWIW, there is a differential to change the default across the board @ https://reviews.freebsd.org/D26471 because the whole "inlines are not inlining" problem affects everything. The change boils down to LLVM 11 changing their default of what -O "means" to be -O1 instead of -O2, which breaks a bunch of kernel assumptions regarding inlining. -- Brandon Bergren bdragon@FreeBSD.org