[Bug 285080] Re: incorrect error: there is not enough room on the disk to save

[markling]

This effects me on a fresh install of Xubuntu 14.04 LTS. Installed about
two weeks ago.

I am suddenly unable to download files. I have been blocked downloading
a .pdf and a .zip.

Firefox gives me this error message:

"
There is not enough room on the disc to save /tmp/<filename>

Remove unnecessary files from the disc and try again, or try saving in a different location.
"

Thunar tells me my temp folder has 3.1kb space free. It has two folders
in it of 1kb a-piece.

My home directory - where I was attempting to download - has 124Gb free.

I installed using the guided / partition wizard. If the partitions under
my bonnet are full up already, it suggests to me a very serious problem
with the install.

I had 8Gb in trash. Removed that. Problem unresolved.

Since having my computer on today I've done some browsing, opened a lot
of tabs, briefly skimmed/skipped some streaming video, displayed some
.pdfs in browser.

I'm using Firefox 29.

here's the output of df:

/dev/mapper/compo--vg-root    321041    262498     37449  88% /
none                                                                        4         0         4   0% /sys/fs/cgroup
udev                                                                           4   1779980   1% /dev
tmpfs                                                358844      1036    357808   1% /run
none                                                     5120         0      5120   0% /run/lock
none                                                  1794200       876   1793324   1% /run/shm
none                                                   102400        28    102372   1% /run/user
/dev/mapper/compo--vg-tmp                              368615    345060         3 100% /tmp
/dev/sda1                                              240972     48642    179889  22% /boot
/dev/mapper/compo--vg-home 133915952   5500128 121590252   5% /home
/dev/mapper/compo--vg-usr    8516872   5599420   2461772  70% /usr
/dev/mapper/compo--vg-var    2817056    886128   1768112  34% /var
/home/user/.Private        133915952   5500128 121590252   5% /home/user
/dev/sdb2                  447233912 295719692 128772972  70% /media/user/74f8b831-ce17-4911-8787-162f5debcd24

$:/etc# du -chd1 / --exclude={proc,dev,media,mnt,tmp}

5.4G	/usr
12K	/root
1.0K	/opt
1.0K	/srv
11G	/home
0	/sys
46M	/boot
1.0K	/lib64
9.5M	/bin
12K	/lost+found
du: cannot access ‘/run/user/1000/gvfs’: Permission denied
1.9M	/run
9.3M	/etc
13M	/sbin
208M	/lib
851M	/var
17G	/
17G	total

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Title:
  incorrect error: there is not enough room on the disk to save

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