Comment 4 for bug 227252

I've experienced this. This happens only in Ubuntu 8.04 though, apparently due to newer kernels. The binary generated by freeze works OK with older kernels (definitely with 2.6.20-15-386), even if it was saved with a new kernel (2.6.24-16-generic).

It may be that (1) the kernel config was changed between the two kernel versions, or that (2) freeze just doesn't work with the new kernels. What a pity it would be....