Fun with df

I've seen this problem on both RELENG_6 from Mar 27 19:37 UTC and HEAD:

vnodes

Filesystem Size Used Avail Capacity Mounted on num want free
16:51 /dev/ad0s1e 1.9G -68G 70G -3900% /tmp 480 17495 132
16:52 /dev/ad0s1e 1.9G -68G 70G -3900% /tmp 479 17495 132
16:53 /dev/ad0s1e 1.9G -68G 70G -3900% /tmp 479 17495 132
16:54 /dev/ad0s1e 1.9G -68G 70G -3900% /tmp 17885 17495 17495
16:55 /dev/ad0s1e 1.9G -68G 70G -3899% /tmp 17875 17495 17496
16:56 /dev/ad0s1e 1.9G -70G 72G -4013% /tmp 17855 17495 17496
16:57 /dev/ad0s1e 1.9G -70G 72G -4013% /tmp 17856 17495 5594
16:58 /dev/ad0s1e 1.9G -70G 72G -4013% /tmp 356 17495 5
16:59 /dev/ad0s1e 1.9G -70G 72G -4013% /tmp 356 17495 5
17:00 /dev/ad0s1e 1.9G -70G 72G -4013% /tmp 364 17495 13
17:01 /dev/ad0s1e 1.9G -70G 72G -4013% /tmp 364 17495 13
17:02 /dev/ad0s1e 1.9G -70G 72G -4013% /tmp 364 17495 13
17:03 /dev/ad0s1e 1.9G -70G 72G -4013% /tmp 370 17495 18
17:04 /dev/ad0s1e 1.9G -70G 72G -4013% /tmp 380 17495 20
17:05 /dev/ad0s1e 1.9G 226M 1.5G 13% /tmp 393 17495 21

This is what "fixed" the problem (the fsck is not really needed):
:
$ umount -f /tmp; fsck -y /tmp; mount /tmp
** /dev/ad0s1e
** Last Mounted on /tmp
** Phase 1 - Check Blocks and Sizes
** Phase 2 - Check Pathnames
** Phase 3 - Check Connectivity
** Phase 4 - Check Reference Counts
** Phase 5 - Check Cyl groups
26939 files, 115910 used, 875489 free (633 frags, 109357 blocks, 0.1% fragmentation)

A test with "cd /tmp; umount /tmp) did not seem to have any effect.

--
Peter Holm
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