On Sat, Apr 4, 2015 at 12:54 PM, dan mclaughlin <[email protected]> wrote: > On Sat, 4 Apr 2015 09:08:35 +0900 Joel Rees <[email protected]> wrote: >> On Apr 4, 2015 8:33 AM, "Oriol Demaria" <[email protected]> wrote: >> > >> > My problem got worse. So I tried finally to install the 2nd of April >> snapshot usb image install57.iso. It actually has upgraded my kernel, and >> now it doesn't completes boot. I get: >> > >> > Warning: /dev/console does not exist >> > >> > I was planning to reboot and build the system from source to upgrade, but >> I can't. It doesn't boot on single mode either. >> > >> > During the upgrade I got the error "illegal instruction" when the script >> is untaring the sets. >> > >> > Any idea of what could it be? >> > >> > Dmesg is in the previous email. >> > >> >> Have you considered hardware issues? >> >> I'm losing the device entries for my disk drives on the expansion disk >> controller in mid-build, and it seems heat related. (Not 100% positive, >> though.) >> > > while overheating can cause some strange behaviour, that seems a bit > selective. nothing else on the file system disappearing?
Possibly. > if you wanted to monitor the temperature, you could do a small script: > > #!/bin/ksh > _sensor=$(sysctl hw.sensors | grep temp0 | sed 's/=.*//') > while true;do > echo "$(date +%Y%m%d.%H%M) $(sysctl $_sensor)" > sleep 60 > done | tee ~/watch-temp Yeah, I was doing that, except for the tee, for about five hours yesterday. I unplugged my backups drive and the box is much more stable. The drives are mounted a little too close, need to get a second set of extenders. > that would at least keep a log of the processor temp for you. i don't know > what the other temperatures it tracks are, but if you needed them too: > > #!/bin/ksh > _sensor=$(sysctl hw.sensors | grep temp[0-2] | sed 's/=.*//') > while true;do > echo -n "$(date +%Y%m%d.%H%M) " > echo $(sysctl $_sensor | sed -e 's/.*temp/temp/' -e 's/ degC/degC/g') > sleep 60 > done | tee ~/watch-temp > > gives an output that looks like this: > > 20150403.2348 temp0=45.00degC temp1=34.00degC temp2=9.00degC > >> Joel Rees >> >> Computer memory is just fancy paper, >> CPUs just fancy pens. >> All is a stream of text >> flowing from the past into the future. >> -- Joel Rees Be careful when you look at conspiracy. Look first in your own heart, and ask yourself if you are not your own worst enemy. Arm yourself with knowledge of yourself, as well.
