Freeze on big files

[Skarllot]

Transmission freeze for few seconds allocating space to new file, this happens on files > 1 GB.
Freeze time increases on large files.

Thank you.

Information:
Transmission 1.42 (7495)
kernel 2.6.27.15-170.2.24.fc10.x86_64
HD Samsung SATA2 250GB (EXT3 file system)
AMD Athlon(tm) 64 X2 Dual Core Processor 5200+
2 GB DDR2 800 MHz

[Jordan]

Does the freeze still happen in the newer releases? 1.51 just came out earlier today.