Date: Mon, 11 Jan 2021 20:38:45 -0800 From: Mark Millard <marklmi@yahoo.com> To: freebsd-ppc <freebsd-ppc@freebsd.org> Subject: Re: Heat-death of the last of the 2-socket/2-cores-each PowerMac G5s that I have access to Message-ID: <B38F1AF4-B63F-440C-A07A-0B81D25112EA@yahoo.com> In-Reply-To: <27E8A3B1-7278-464E-A284-0B294337B3DA@yahoo.com> References: <27E8A3B1-7278-464E-A284-0B294337B3DA@yahoo.com>
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On 2021-Jan-11, at 17:42, Mark Millard <marklmi at yahoo.com> wrote: > The last of the 4-core PowerMac G5s that I have access to now shuts > down for "CPU B0 DIODE TEMP" that "exceeds critical temperature > (90.0 C)" when I try to rebuild/update ports or such. The other > 4-core G5 failed for such reasons in similar contexts a few months > ago.,Interestingly, the two G5s have very different liquid cooling > systems despite the similar time frame for the failures. > > Without the faster G5s, I may just use cross-built world/kernel > material and see if there is a tolerable but minimal set of ports > for supporting boot testing/dump inspection and basic operation of > the slower 2-socket/1-core-each and 1-socket/1-core-each PowerMacs > that I have access to, avoid things like building devel/llvm* > ports that take so long. (I have fairly strong time preferences.) I've done some more testing and, while use as a (full load/speed) builder machine is a no-go, it looks like this 4-core G5 can still be used for boot testing and basic operation without overheating. The prior failing machine overheated more easily but might have a similar status if I test it just for such use. How long the recently failed G5 will be useful for boot and basic operation testing, I do not know. But probably longer than for the originally-failing G5. === Mark Millard marklmi at yahoo.com ( dsl-only.net went away in early 2018-Mar)
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