Date: Tue, 3 Jan 2023 08:20:16 +0000 From: "Chen, Alvin W" <Weike.Chen@Dell.com> To: Amar Takhar <verm@darkbeer.org>, "freebsd-current@freebsd.org" <freebsd-current@freebsd.org>, Konstantin Belousov <kostikbel@gmail.com> Subject: RE: Status of Intel Hybrid CPU support (Alder Lake/Raptor Lake) support Message-ID: <PH0PR19MB4938954D1E5704B7A40158F99EF49@PH0PR19MB4938.namprd19.prod.outlook.com> In-Reply-To: <20221214201823.GA843@darkbeer.org> References: <PH0PR19MB49386F16177AC787CFFAD05C9E339@PH0PR19MB4938.namprd19.prod.outlook.com> <CB6714BB-F070-436A-9324-1053648A7DE6@karels.net> <PH0PR19MB4938527239BDA1AA6FFE5C129E059@PH0PR19MB4938.namprd19.prod.outlook.com> <Y3HppLvsWTqqGNoO@kib.kiev.ua> <20221214201823.GA843@darkbeer.org>
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>=20 > [EXTERNAL EMAIL] >=20 > On 2022-11-14 09:09 +0200, Konstantin Belousov wrote: > > > > You might use this patch meantime > > https://urldefense.com/v3/__https://kib.kiev.ua/git/gitweb.cgi?p=3Ddevi= a > > > nt3.git;a=3Dcommit;h=3D5d72240a8777b26d5e0a7d2d26bb919d05f60002__;!!Lp > KI!j > > > pyHChyB8NZAQq5isiNFepD61cX0HczrFCeOriYbSwyfMPGW7k8I_BYxPWXv1FG > yfl1Y-Ip > > dgcNkyg$ [kib[.]kiev[.]ua] >=20 > Thank you for this patch. On my 13.1 machine it fixed all the panics wit= h a i9- > 12900KF. It's nice to be able to use all the cores since I got this mach= ine in > May. I had them disabled in BIOS. >=20 > Also as a side note this fixed the audio issues I was having with the e c= ores > both enabled and disabled. >=20 This patch can't work well with some older CPUs, and I find one N6005 (Inte= l JSP). This JSP cpu is not a hybrid cpu architecture, but the high cpu id is 0x1b = with 0x20000000 which meet the small core condition in the patch, but kerne= l got crashed on this cpu. We need a better condition to pick up the E cores to make sure the kernel c= an be compatible with all older Non-Hybrid CPUs. Internal Use - Confidential
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