Odd kernel message

[Mike Pumford <mpumford%mudcovered.org.uk@localhost>]

Never seen this before so I'm not sure what it means:

[ 18411.785487] vflushbuf: dirty: vnode 0xffffc40eae687040 flags 
0x4010<MPSAFE,ONWORKLST>
[ 18411.785487]         tag VT_UFS(1) type VBLK(3) mount 
0xffffc40eacae3000 typedata 0xffffc40eae74bb00
[ 18411.785487]         usecount 576247 writecount 0 holdcount 11238
[ 18411.785487]         size 0 writesize 0 numoutput 0
[ 18411.785487]         data 0xffffc40eae6a5340 lock 0xffffc40eae687200
[ 18411.785487]         state LOADED key(0xffffc40eacae3000 8) 03 5a 4f 
00 00 00 00 00
[ 18411.785487]         lrulisthd 0xffffffff818bc910
[ 18411.785487]         tag VT_UFS, ino 5200387, on dev 168, 1 flags 
0x0, nlink 1
[ 18411.785487]         mode 060640, owner 0, group 5, size 0

Was probably in the middle of a pkgsrc build but not 100% sure of that.

Mike