Is this a gmirror bug?

[Peter Steele]

I've seen this kind of thing appear in my df output:

 

# df

Filesystem          1K-blocks    Used     Avail Capacity  Mounted on

/dev/mirror/gm0a      5077038 1685050   2985826    36%    /

devfs                       1       1         0   100%    /dev

linprocfs                   4       4         0   100%    /proc

/dev/mirror/gm0d      4058062 -377792   4111210   -10%    /tmp

/dev/mirror/gm0e     15231278 -113942  14126718    -1%    /var

/dev/ad10s3e        121487580       4 111768570     0%    /v3

/dev/ad8s3e         121487580       4 111768570     0%    /v2

/dev/ad6s3e         121487580       4 111768570     0%    /v1

/dev/ad4s3e         121487580       4 111768570     0%    /v0

 

It's showing that two partitions in my gm0 partition are below 0%
capacity. This is clearly wrong, but what does it mean?