The transmission bit torrent client will crash with an "out of swap space" error when left running unattended. The odd thing is, if I have another computer running with the FreeNAS web GUI open and monitoring Transmission, it doesn't crash.
FreeNAS 0.7 (revision 4919) i386-embedded
D815EA D815EFV Intel Pentium III 512MiB RAM
Intel ICH2 UDMA100 controller
Intel 82801BA/BAM (ICH2) USB controller USB-A Intel 82801BA/BAM (ICH2) USB controller USB-B
NEC uPD 720100 USB 2.0 controller NEC uPD 9210 USB controller
Nov 9 21:07:13 freenas kernel: pid 1587 (transmission-daemon), uid 999, was killed: out of swap space