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

[markling]

A related problem that may shed further light on this bug:

Simultabeous to this is a bug that keeps making Thunar crash.

I just tried reporting that bug using ubuntu-bug and got this error:

"""
The problem cannot be reported:

Your home partition has less than 38.345728 MB of free space available, which leads to problems using applications and installing updates. Please free some space.
"""

Yet df shows:

/dev/mapper/compo--vg-home 133915952  10444732 116645648   9% /home

Its full output suggests nothing is full or even near ful:

/dev/mapper/compo--vg-root    321041    262500     37447  88% /
none                               4         0         4   0% /sys/fs/cgroup
udev                         1779984         4   1779980   1% /dev
tmpfs                         358844      1032    357812   1% /run
none                            5120         0      5120   0% /run/lock
none                         1794200        84   1794116   1% /run/shm
none                          102400        36    102364   1% /run/user
/dev/mapper/compo--vg-tmp     368615      2072    342991   1% /tmp
/dev/sda1                     240972     48642    179889  22% /boot
/dev/mapper/compo--vg-home 133915952  10444732 116645648   9% /home
/dev/mapper/compo--vg-usr    8516872   5600364   2460828  70% /usr
/dev/mapper/compo--vg-var    2817056    886872   1767368  34% /var
/home/user/.Private        133915952  10444732 116645648   9% /home/user
/dev/sdb2                  447233912 298588468 125904196  71% /media/user/74f8b831-ce17-4911-8787-162f5debcd24

Interestingly, another size problem has arisen. This manifested this
afternoon, for example, when I copied one large zip file on my local
disk over a smaller one of the same name on an external disk (both
encrypted separately). After the copy was complete the size was given as
a smaller size. It suggested to me the copy had been unsuccessful. But
while I was looking at this Thunar crashed. I restarted it and the file
was showing the correct, larger size.

Ah but look again at the df output above.

/tmp has just 34Mb space.

So the Thunar error was wrong. It is not that my home directory doesn't
have enough space, it is that my tmp doesn't have enough space.

So Elias' orginal report was correct to say the error report was wrong.
It is also true that the real problem is that /tmp is getting full and
the o/s can't handle it.

It looks like the two are related. The o/s doesn't even know what the
problem is to report it properly.

It suggests Xubuntu/Ubuntu guided install procedure for separate
partitions is failing to provide paretitions of the correct sizes (this
problem has persisted for years). It suggests also  that Xubuntu/Ubuntu
are unable to work with the partition sizes they opt to give themselves.

(One other event happened in the course of these reports that may or may
not have significance for any attempt at diagnosis. That is that I
installed KSystemLog using the Ubuntu Software Centre. (This
incidentally failed to install an icon on the system menu - this leaves
me with no surprise but much despair, but that has become par for the
course for this bug-ridden operating system. How about ceasing the
annual distributions until the base is solid and stable - and then
proceed at a slower pace: users are suffering and spending too much time
wrestling with bugs. It is getting ridiculous)).

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https://bugs.launchpad.net/bugs/285080

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

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