[Ardour-Users] ardour crashing with zoom tool

[jk at jasonkahn.net]

hello

i've had a recurring problem with ardour:
sometimes, when using the zoom tool at the maximum magnification level 
ardour crashes. on top of this, the file that has crashed cannot be 
opened again. when i try to open the file again ardour crashes instantly.

has anyone else experienced this?
is there any way to save a corrupted file?
is there any way to correct / avoid this problem?

i am using:
ardour 2.4.1 (built from revision 3243)
ubuntu 8.04
kernel 2.6.24-18-rt
lenovo t61 laptop
rme multiface + pcmcia card

thanks in advance for any help!
jason