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[209.85.219.172]) by smtp.gmail.com with ESMTPSA id s2-20020a05620a0bc200b006ce7d9dea7asm10167281qki.13.2022.09.25.14.48.35 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 25 Sep 2022 14:48:35 -0700 (PDT) Received: by mail-yb1-f172.google.com with SMTP id e81so6163966ybb.13 for ; Sun, 25 Sep 2022 14:48:35 -0700 (PDT) X-Received: by 2002:a25:cfcf:0:b0:6b1:d9:789f with SMTP id f198-20020a25cfcf000000b006b100d9789fmr19229693ybg.437.1664142515148; Sun, 25 Sep 2022 14:48:35 -0700 (PDT) List-Id: User questions List-Archive: https://lists.freebsd.org/archives/freebsd-questions List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-questions@freebsd.org X-BeenThere: freebsd-questions@freebsd.org MIME-Version: 1.0 References: <20220922180626.GB79310@darkbeer.org> <20220924070708.GA48911@darkbeer.org> In-Reply-To: From: Tomek CEDRO Date: Sun, 25 Sep 2022 23:48:23 +0200 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: Disabling CPUs To: Kevin Oberman Cc: Amar Takhar , questions@freebsd.org Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: 4MbKJj36gPz3lwx X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=cedro.info header.s=google header.b=AlpFCbEN; dmarc=none; spf=none (mx1.freebsd.org: domain of tomek@cedro.info has no SPF policy when checking 2607:f8b0:4864:20::f36) smtp.mailfrom=tomek@cedro.info X-Spamd-Result: default: False [-3.29 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.99)[-0.992]; R_DKIM_ALLOW(-0.20)[cedro.info:s=google]; MIME_GOOD(-0.10)[text/plain]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::f36:from,209.85.219.172:received]; RCVD_VIA_SMTP_AUTH(0.00)[]; MLMMJ_DEST(0.00)[questions@freebsd.org]; FREEMAIL_TO(0.00)[gmail.com]; DKIM_TRACE(0.00)[cedro.info:+]; MIME_TRACE(0.00)[0:+]; FROM_EQ_ENVFROM(0.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[]; R_SPF_NA(0.00)[no SPF record]; RCVD_TLS_LAST(0.00)[]; FROM_HAS_DN(0.00)[]; ARC_NA(0.00)[]; RCVD_COUNT_THREE(0.00)[4]; RCPT_COUNT_THREE(0.00)[3]; PREVIOUSLY_DELIVERED(0.00)[questions@freebsd.org]; TO_DN_SOME(0.00)[]; DMARC_NA(0.00)[cedro.info]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US] X-ThisMailContainsUnwantedMimeParts: N On Sun, Sep 25, 2022 at 7:08 AM Kevin Oberman wrote: > > On Sat, Sep 24, 2022 at 12:07 AM Amar Takhar wrote: >> >> On 2022-09-23 22:58 -0700, Kevin Oberman wrote: >> > Thanks, Amar! I'll give this a try tomorrow. >> >> No problem! >> > Well, no joy. My BIOS had no ability to disable cores. Confirmed with Lenovo support. So no ability to do more than cpuset. There is that utility DMIDECODE in the port tree.. it allowed me once to mess with the BIOS settings even though the BIOS was locked out with a password I did not know.. so you can list and modify settings without actually using the BIOS menu program.. maybe this would come handy here? :-) -- CeDeROM, SQ7MHZ, http://www.tomek.cedro.info