From owner-freebsd-ppc@freebsd.org Tue Dec 22 05:12:18 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 22B9A4B363D for ; Tue, 22 Dec 2020 05:12:18 +0000 (UTC) (envelope-from bdragon@FreeBSD.org) Received: from smtp.freebsd.org (smtp.freebsd.org [96.47.72.83]) (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 4D0PbQ0G8sz3JmK for ; Tue, 22 Dec 2020 05:12:18 +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 F01687D8A for ; Tue, 22 Dec 2020 05:12:17 +0000 (UTC) (envelope-from bdragon@FreeBSD.org) Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailauth.nyi.internal (Postfix) with ESMTP id D04C727C0054 for ; Tue, 22 Dec 2020 00:12:17 -0500 (EST) Received: from imap1 ([10.202.2.51]) by compute3.internal (MEProxy); Tue, 22 Dec 2020 00:12:17 -0500 X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedujedrvddtfedgkedvucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucgfrhhlucfvnfffucdluddtmdenucfjughrpefofg ggkfgjfhffhffvufgtsehttdertderreejnecuhfhrohhmpedfuehrrghnughonhcuuegv rhhgrhgvnhdfuceosggurhgrghhonheshfhrvggvuefuffdrohhrgheqnecuggftrfgrth htvghrnhepjefhfedtuddtleegkeegtdegjeekffdvjedttdehgffgveeugffgfeelvdeg hffgnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrhhomhepsg gurhgrghhonhdomhgvshhmthhprghuthhhphgvrhhsohhnrghlihhthidquddtgedvfeeh keeigedqudekuddtkeehuddqsggurhgrghhonheppefhrhgvvgeuufffrdhorhhgsehimh grphdrtggt X-ME-Proxy: Received: by mailuser.nyi.internal (Postfix, from userid 501) id CD1BEC200A5; Tue, 22 Dec 2020 00:12:17 -0500 (EST) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.3.1-61-gb52c239-fm-20201210.001-gb52c2396 Mime-Version: 1.0 Message-Id: <66ce8494-204b-4b8b-a043-94ba00509f41@www.fastmail.com> In-Reply-To: <04727338-1ecb-4a94-c8e9-dcef7abd1513@blastwave.org> References: <40dead6f-2a69-cf74-0a23-cde56dd90510@blastwave.org> <53f15d43-62c3-e12c-f8db-ede6a30e4e95@blastwave.org> <46726BE0-00FF-4DE7-835B-C7B04F3B0693@yahoo.com> <04727338-1ecb-4a94-c8e9-dcef7abd1513@blastwave.org> Date: Mon, 21 Dec 2020 23:11:57 -0600 From: "Brandon Bergren" To: "FreeBSD PowerPC ML" Subject: =?UTF-8?Q?Re:_Old_PowerMac_G5_2-socket/2-cores-each:_head_-r368820_kerne?= =?UTF-8?Q?l_reports:_bus=5Fdmamem=5Falloc_failed_to_align_memory_proper?= =?UTF-8?Q?ly?= Content-Type: text/plain X-BeenThere: freebsd-ppc@freebsd.org X-Mailman-Version: 2.1.34 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 Dec 2020 05:12:18 -0000 On Mon, Dec 21, 2020, at 10:25 PM, Dennis Clarke via freebsd-ppc wrote: > On 12/21/20 11:03 PM, Mark Millard wrote: > > > As far as I know, 32-bit powerpc for old PowerMacs still has the kernel > > gradually zeroing out user-space pages, even for single-socket/single-core > > 32-bit PowerMacs. So I run 32-bit via a chroot on a 64-bit system: the > > 64-bit kernel does not have this specific problem. (I seem to remember > > that there was a different boot failure last I tried 32-bit, but I do not > > remember any detail at this time.) This is the bridge mode bug that we haven't figured out yet. It's specific to the G5 running a 32 bit kernel. The problem doesn't manifest on actual 32-bit MMUs. -- Brandon Bergren bdragon@FreeBSD.org