I have a fresh install of Ubuntu 13.10 on a brand new hard disk. My computer restarts after a few minutes I open Shotwell, which every time is importing my large Pictures library (150GB). I do have 29GB of free space in my /home, where the Pictures directory resides.

I have checked other posts about log files and none seem to point me to finding the root cause of the restarts. Can someone guide me on this?

  • Where are the logs? – Braiam Jan 13 '14 at 20:45
  • I looked at the logs and did not find anything suspicious. What am I looking for? – Pomario Jan 13 '14 at 20:52
  • Well, for that motive you should show them to us ;). – Braiam Jan 13 '14 at 20:53

I too experienced reboots on my laptop caused by Shotwell. The issue was Shotwell was using all four CPU cores during picture import, causing its temperature to raise up to a point where a "thermal protection reboot" -so to speak- was performed by the system. I am unsure whether hardware CPU protection kicked in or Ubuntu (12.04) has a configurable temperature limit somewhere... (To me that means my laptop has a cooling issue, but that's besides the point.)

The solution I used (and still use today) is limit the amount of CPU power Shotwell can use with cpulimit.

sudo apt-get install cpulimit

Then, after launching Shotwell, I open a terminal and type:

cpulimit  -e shotwell -l 50
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