Date: Tue, 2 Apr 2013 19:51:02 +0900 From: Julio Merino <julio@meroh.net> To: Nathan Whitehorn <nwhitehorn@freebsd.org> Cc: freebsd-ppc@freebsd.org Subject: Re: Machine shutting down due to temperature issue Message-ID: <CADyfeQX%2BeijgcFo5Xe81Y6PGNVhmX0dBKpmtJsXM418L93=Fcw@mail.gmail.com> In-Reply-To: <5159B914.1090209@freebsd.org> References: <CADyfeQWDdx9AjZrtcYu0b_ng1QeQpYOFDa0jkGNoZvn1WB=OLw@mail.gmail.com> <5159B914.1090209@freebsd.org>
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On Tue, Apr 2, 2013 at 1:43 AM, Nathan Whitehorn <nwhitehorn@freebsd.org>wrote: > I'd guess a faulty fan on the U3 (which is the northbridge), > I'll take a look... assuming I can find that fan. The last time I tried to hunt this down I saw no fans on the motherboard. Are you sure it exists? Any pictures on where to find it? iFixit didn't help. This is a dual 2GHz PowerMac G5. > but it's possible there is something else at work. > I've been attempting to rebuild that particular file in pcre (libpcre16_la-pcre16_exec.lo, although I'm not sure if it's the same as always) now and paused the compiler with Ctrl+Z every 5 seconds while allowing the machine to rest. In one of these short bursts of activity, the problem reappeared. Doing the same but pausing every 3 seconds allowed it to complete. Otherwise, I've been building lots of other software (including a buildworld!) successfully. Which is what I find weird... > Could you forward the output of sysctl dev.fcu? > dev.fcu.0.%desc: Apple Fan Control Unit dev.fcu.0.%driver: fcu dev.fcu.0.%location: addr=0x15e dev.fcu.0.%pnpinfo: name=fan compat=fcu dev.fcu.0.%parent: iicbus0 dev.fcu.0.fans.cpu_a_intake.minrpm: 600 dev.fcu.0.fans.cpu_a_intake.maxrpm: 7000 dev.fcu.0.fans.cpu_a_intake.rpm: 576 dev.fcu.0.fans.cpu_a_exhaust.minrpm: 600 dev.fcu.0.fans.cpu_a_exhaust.maxrpm: 7000 dev.fcu.0.fans.cpu_a_exhaust.rpm: 576 dev.fcu.0.fans.cpu_b_intake.minrpm: 600 dev.fcu.0.fans.cpu_b_intake.maxrpm: 7000 dev.fcu.0.fans.cpu_b_intake.rpm: 576 dev.fcu.0.fans.cpu_b_exhaust.minrpm: 600 dev.fcu.0.fans.cpu_b_exhaust.maxrpm: 7000 dev.fcu.0.fans.cpu_b_exhaust.rpm: 576 dev.fcu.0.fans.drive_bay.minrpm: 600 dev.fcu.0.fans.drive_bay.maxrpm: 7000 dev.fcu.0.fans.drive_bay.rpm: 576 dev.fcu.0.fans.slot.minpwm: 30 dev.fcu.0.fans.slot.maxpwm: 100 dev.fcu.0.fans.slot.pwm: 33 dev.fcu.0.fans.slot.rpm: 1160 dev.fcu.0.fans.backside.minpwm: 30 dev.fcu.0.fans.backside.maxpwm: 100 dev.fcu.0.fans.backside.pwm: 53 dev.fcu.0.fans.backside.rpm: 2184 I don't think I've seen any of the fan speeds go up... and those 576 numbers, being out of range, seem strange. -- Julio Merino / @jmmv
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