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[2603:6000:a40b:4f00:223:24ff:fe37:c4d7]) by smtp.gmail.com with ESMTPSA id v88sm3133188ila.71.2020.11.07.05.49.27 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 07 Nov 2020 05:49:27 -0800 (PST) Subject: Re: Question about xserve G5 To: freebsd-ppc@freebsd.org References: <88d23ee0-765d-1b82-4318-2c8359018b1a@freebsd.org> <0f4a1ee8-a37f-ea3d-6807-bb2431235a82@gmail.com> <7647de21-b22d-4204-8dad-070590421eca@www.fastmail.com> From: Jason Bacon Message-ID: Date: Sat, 7 Nov 2020 07:49:26 -0600 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:78.0) Gecko/20100101 Thunderbird/78.4.0 MIME-Version: 1.0 In-Reply-To: <7647de21-b22d-4204-8dad-070590421eca@www.fastmail.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable Content-Language: en-US X-Rspamd-Queue-Id: 4CSzBx374Nz4pxY X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=CHgn72PV; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of bacon4000@gmail.com designates 2607:f8b0:4864:20::12d as permitted sender) smtp.mailfrom=bacon4000@gmail.com X-Spamd-Result: default: False [-3.82 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36:c]; FREEMAIL_FROM(0.00)[gmail.com]; TO_DN_NONE(0.00)[]; RCVD_COUNT_THREE(0.00)[3]; DKIM_TRACE(0.00)[gmail.com:+]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; NEURAL_HAM_SHORT(-0.82)[-0.821]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; RBL_DBL_DONT_QUERY_IPS(0.00)[2607:f8b0:4864:20::12d:from]; FREEMAIL_ENVFROM(0.00)[gmail.com]; MID_RHS_MATCH_FROM(0.00)[]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-ppc@freebsd.org]; RCPT_COUNT_ONE(0.00)[1]; SPAMHAUS_ZRD(0.00)[2607:f8b0:4864:20::12d:from:127.0.2.255]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::12d:from]; RCVD_TLS_ALL(0.00)[]; MAILMAN_DEST(0.00)[freebsd-ppc] 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: Sat, 07 Nov 2020 13:49:30 -0000 On 11/6/20 9:58 AM, Brandon Bergren wrote: > On Fri, Nov 6, 2020, at 2:59 AM, Javi Hotmail wrote: > =20 >> Internally it was complaining about not being able to read the I2C=C2=A0= (I >> assume from the PMU); But anyways it seems to be more or less working >> now, I'll switch back to FBSD and see how it goes. >> > OK, yeah, lack of I2C communication would definitely explain the fans s= uddenly ramping up to maximum, since it's the obvious failsafe to use har= dware wise when communication gets lost and the thermal management system= is no longer aware of its temperature. Better to err on the side of nois= e than risk overheating anything. > I see I2C errors on my PowerMac G5 as well, but they don't always=20 correlate with the fans ramping up. --=20 Earth is a beta site.