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My new Ubuntu computer (running 16.10) fills disk space until it's full. Executing du -h --max-depth 1 on the / directory shows very little space used (like 30 GiBs at most).

When I reboot, this issue is resolved.

grepsedawk
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  • How did you know your disk is full? – George Udosen Feb 09 '17 at 22:57
  • "df -h" returns 100%. Programs stop working. Etc. – grepsedawk Feb 09 '17 at 22:59
  • Please paste it in you OP. – George Udosen Feb 09 '17 at 23:20
  • Will do next time it happens – grepsedawk Feb 09 '17 at 23:36
  • What brand/model. We have seen this with some Asus. Asus x555u w/o pci=nomsi - space issue on drive and runaway log files filling drive https://ubuntuforums.org/showthread.php?t=2327103&page=3 and https://ubuntuforums.org/showthread.php?t=2327570 – oldfred Feb 09 '17 at 23:50
  • System76 Onyx. I have a ticket open with them but I wanted to see if it was an easy fix or known issue here. Drive is an m2 ssd. – grepsedawk Feb 09 '17 at 23:58
  • Use the Disk Usage Analyzer to find where your disk space is going. Look at the size of the log files in /var/log. If they're huge, more /var/log/syslog to see what's filling them up... probably the same error over and over. See http://askubuntu.com/questions/880106/which-files-should-i-remove-from-var-log-directory-to-free-space-in-ubuntu-16-0/880124#880124 – heynnema Feb 10 '17 at 01:04
  • And you can run sudo du -h / --max-depth=1 | sort -h which will show you which folders are taking up the most room at the bottom of the list. That should help you get a better understanding of where all your space is going. Ignore the / at the bottom as that is all the space of all folders added together. – Terrance Feb 10 '17 at 01:08
  • When I was full, I only got 100 GiB out of 500 using du (unless I was looking at it wrong) would .xsession_errors purge on reboot by chance? – grepsedawk Feb 10 '17 at 01:20
  • I've been using linux for awhile, so my first step was du (as per OP) I did notice when I was at about 120/500 that my .xsession_errors file was 70GiB, so I fixed the issue (I was missing feh which I use once a minute in my i3 config to change my background) – grepsedawk Feb 10 '17 at 01:32

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