From owner-freebsd-ppc@freebsd.org Wed Jan 13 19:40:53 2021 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 363704E63DB for ; Wed, 13 Jan 2021 19:40:53 +0000 (UTC) (envelope-from marklmi@yahoo.com) Received: from sonic305-20.consmr.mail.gq1.yahoo.com (sonic305-20.consmr.mail.gq1.yahoo.com [98.137.64.83]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4DGHqS6XBCz3PXn for ; Wed, 13 Jan 2021 19:40:52 +0000 (UTC) (envelope-from marklmi@yahoo.com) X-SONIC-DKIM-SIGN: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1610566851; bh=skPBFKm2PWOFox0bumk/M5ETpwhkBMsCgoWz0PRdW72=; h=Subject:From:Date:To:From:Subject:Reply-To; b=CuzPtxFoGtPAuoqV0HMKXfJqMFqaS1T/IdhivvxCqunU63EyGyWktiUJf3j4dWP8TjTRcmlfhkSN4+G4xggWoCdmT92xy2wJg7VTxHVn/bDebfTzpMnnKn72Tk6wp6wCdUxrkP+5MSvCPJi8FViloHfGV5IB5XopqlgMm4YdND1V4yXMg3cD25+vMdfrHMPbHUaBxYCZH9SBBCRgE8OZDSqYvORzkt9AxZrENqhjqLQiXFt9WGEcNvSvkizeZy2zMMWH6/MS9q76iPZ/jOmJc36uDThOufgwTYhGaLP0JLG2WK44p9xo2foW0GH6OqKEDQukV7GCwFjiWBd76tgrBA== X-YMail-OSG: zrcc1rIVM1ng3ZPQVr66IBHra8bX44S6wyzJH1BEd400todMYd7P3lyYC_ND_VZ IbhvpLu4E10oh9QbeY7lhdiJ3krKzV0LEAVdqrLzaHNWi_zAtD5IEAaXb0pQEYle9sJjWi5j5s0H iHBJetyqLNz47Yq59XSWU2m4TiIutDDFAoWPuL1IsfEFqvgkUZnBA25rPMlutmGqNs5K3fY4zL7_ BjdZaTWffiGnx7XS1QkruBK26jCFB8nkYeq65ZM18N8UE6z.BrJ_YSa8yE8AHSaCCUshXnCP5LAx sLxOZni22wmvtC_0_Vht1RJQ9qLjfo4su8ee6JPL5kP9HTq_MyjujoL92Sh48XL80obxmXAiqewv GFT0zw8qdsunKWXsSMN5Yo1_S3_Fokc2TwGA4PhOG17cPh5KzcdgEazwAj85pO9Lpq9F7Ws_kLVu eBUtR7Z7GtUlBLSOuwqMa1DXs_Wfkwe9F2.4MClTK5evWm1ET_lvLMpwgteY5Xrxc9SYCxtmkDEZ D0RNAhR3U4JVF0gZ04yWth2LJmMVwAM9aLYvZM3d1C_69dyaJmmD2ttI6KNoISM26oFjzpoC8VD8 rhXE3ZvP_X8GAQW5yVk5grauvTlSCZ_R6sMvYxNMi1mJ4CfZN0SDTMU0hg7Mz0hzllKND7H4i_b_ XKAUYZWMhUPU2pS_U87MEFv82gJPNT8gp4lH5eBUcb_4rPKva0riCosVHhUOSrQc_DuKVg.k5IWi io7PE_GQ6YGFqQnNArrSK9faBbA4XCeJTZRyYU_ApQInIM8HpbNgVIXz11EXFT_KtHs8Vc08aApN 7mOeRk_k3RXPIZpKCHXDrZDeYOO82_mT9Vgm8IHkE40A8Z4VnOLz0M86IGsgHJ4SBry24.wdZJW5 _IxM9RAgAW4hrd2qyM3hVTZAlqzVrGP5N0Pcrdqx69aBSL4AEe0Q8K8mxCoaxAckxtAnL3mjf7Z4 Ig7MfR9x5dCtlGnKXHlhwIQc9RoC3hMAGWBTSQ2zwIivVrAmfUyeOoZ7RAEwHOFnwPwgShdIcT5p oiZVSL3ZPpbvmafnK8gdtF4TXO4dUJ5kheB1RDrEDpSXhJTDjQ_sEZU3kgfZPept8Lu.Q3SlqS2u q4hAlSf2N0.1eJ4i1FzypL_O53owvvMJERu5_86uQeHKTaODiWyVA9SHOQx353PJVJWVJvTpGTEL tEQYsYJNYKL8KkqSMGO9Ry7T707T5mZubRcat0w6hsELQSIWDaBfGmHzCMs9YgcBljupNAj01xGn VounTgktFUTm90UvaDlSvJoaS_D8lVzFa8MLHjkfFubvIGHhRB0BrVV9IasCQM9iaSHz0QSZ95Mb 5KGzWQnnADfraZdnl7j8nkEdjdTDTWEVHTh1Jb0qOnmWpRlczPzoXv.F19rl0PRIy2.Mj8WR93Od bkA0Ov7xVrcY2L6BczVoudtZH61EXFvcK5JI4USLxYXPyTyaCnbksQNKbMgpvbUXyoxYQZsjAKIj QzF5V011qZYBHqVjafUNtxZc_tzX1dFB72c7uvKpuqyDyiQGYadIt5nNLV8CuxjImviEOiNWdvSC ZTP44JJspdfKefUeRKY02SeBWY4k3ZbVKts4We4gYJK.T7CefWLIRJcjwBVEP4ycwDGQqAf5PCqP 2TRxTN0BQDpfnfLm3jFD85ZnwpVnDY8eiTdxt.jlB1qku5PaJyGr3r3r3Q3fOoXl_3QaHGeCmOhu hvx3BmpLkQ2QRbvXCCZ0Nzwj4Kx9AT8AVGW9og3O4r3pBohwyW4yFPvE6LHkS2gmGTJQNgvfwrX. frUgYaohbfgnd3I9oxkWi_37xkigxkXXJEl1akHkbzqA1PI0fgLpSCHeckwT1anC6NhqDdVLFt2y Ck4knMjfDflprYzgUmeXAZxyLr0EhiekeyKNUPtVxIVo3KRnzl9RmnbpxCRFvAVMb2B.TgcEZifg SoxWgfFbWc9wxH1ikaG.S3DqcUojGdm4ed6x0g7THYxviIIjSuOGkmMgjtj_LczpPjfjeuHWvl7E x1swAt6OakGbwr0jAjcIaEUmeOdB0y5uQ69kscEaUp78gByuLpmo9b74k_fQX38Zp5ovI_Jh0qsR onpPtOFHPRtkitLAwH5gbZPWWTK4q80_CsLNibxTUl5W0hHrqlbnD5.y94vJiQ.zyXEScEJJLoeC 4.TAOVNTqQpmQ80yV0M2zy.hK4N69219.0ey4wmuEOMHsuBy2JNnm9u5DGswKRwa4QDQujexmFly 5CMlIQ_qfSiSGaoy_msibzNeUc63LHpXvhE0SJzmJvc6LM8b6JDo66xDL5yJt5Cf6f.OKwnnHZFj l1.tTRDrVka6S6LY8XqYQjns2rbJIrRxtisBGI2c4a_e8SmEw0Lj45S8JjyQJW1Ig6mSy61KX.YA vw5vdfOVt1HwCCtzjwAb0bg4.uYk_LnetCtWoQ2.GgHhGaGc4jncFYU5MQeCEtc.5sUdlk6Ej6pO GKvWMYjWinKiEV1X9RzQBP5JPcnItNmprkv22WqVU9.5RI1sSO1QjeDDb8VzMPvGRZCSOd12jm9D Vs8H4rYJLvtyyHVw53A_o89094k5. Received: from sonic.gate.mail.ne1.yahoo.com by sonic305.consmr.mail.gq1.yahoo.com with HTTP; Wed, 13 Jan 2021 19:40:51 +0000 Received: by smtp413.mail.ne1.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID 5e97c2b3c04fbe08a4a3b745fa048a37; Wed, 13 Jan 2021 19:40:46 +0000 (UTC) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.40.0.2.32\)) Subject: Re: Heat-death of the last of the 2-socket/2-cores-each PowerMac G5s that I have access to From: Mark Millard In-Reply-To: <23f4e650-d731-4258-aef6-f770599c3c53@www.fastmail.com> Date: Wed, 13 Jan 2021 11:40:44 -0800 Cc: FreeBSD PowerPC ML Content-Transfer-Encoding: quoted-printable Message-Id: <67F2E4D4-7DEA-4F7C-8155-47C0AF4EDD86@yahoo.com> References: <27E8A3B1-7278-464E-A284-0B294337B3DA@yahoo.com> <563ef275-97b0-3026-1073-ff715c9cecd7@blastwave.org> <2AC6FB10-A6D9-4B5B-9615-617E0FC60987@yahoo.com> <23f4e650-d731-4258-aef6-f770599c3c53@www.fastmail.com> To: Brandon Bergren X-Mailer: Apple Mail (2.3654.40.0.2.32) X-Rspamd-Queue-Id: 4DGHqS6XBCz3PXn X-Spamd-Bar: ---- X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[] 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: Wed, 13 Jan 2021 19:40:53 -0000 On 2021-Jan-13, at 11:00, Brandon Bergren = wrote: > On Tue, Jan 12, 2021, at 2:54 PM, Mark Millard via freebsd-ppc wrote: >> WARNING: Device "openfirm" is Giant locked and may be deleted before=20= >> FreeBSD 13.0. >=20 > I am planning on getting around to this one at some point. Good to know. >> WARNING: Device "kbd" is Giant locked and may be deleted before = FreeBSD=20 >> 13.0. >=20 > This one isn't just powerpc, I don't believe. Okay. I do not remember seeing the notice for the amd64, aaarch64, or = armv7 example systems that I have access to. (But I've not rechecked to = confirm.) >> I've not seen any evidence that anyone intends to work on >> avoiding those uses of the Giant lock. There is also, on some >> G4's that I have access to, >>=20 >> WARNING: Device "agp" is Giant locked and may be deleted before = FreeBSD=20 >> 13.0. >=20 > There is some pressure to remove AGP entirely and rely on PCI mappings = instead (which are slower IIRC but may possibly still have decent = performance with modern object management techniques that the drivers = have. Will need testing.) >=20 > AGP is kind of a weird case because of what it is and how it works, = and how it interacts with everything else. Interesting. >> WARNING: Device "consolectl" is Giant locked and may be deleted = before=20 >> FreeBSD 13.0. >=20 > Might need to migrate some bits over to vt at some point. >=20 FYI for vt vs sc: My memory is that the 2-socket/1-core-each G5 that I have access to dies a very early boot-failure for vt and I have to use sc on it. (It is possible I've got things backwards. I've not validated the status in some time, using things just in the working form.) As I remember there used to be some other G5/video card combination were I also had the reverse for what failed vs what worked, although the boot-failure details were different if I remember right. (Much larger pixel-count display involved in the boot-failure case?) Given the slush and the scheduled stable/13 branch in a little over a week, I did not know if Giant dependency was a "support stops here" type of issue for 13 or not. =3D=3D=3D Mark Millard marklmi at yahoo.com ( dsl-only.net went away in early 2018-Mar)