Please describe the problem:
I have a box where the growisofs defaults do not work well. Example:

[root@apone iso]# growisofs -Z /dev/scd0=FC-6-x86_64-DVD.iso 
:-( unable to anonymously mmap 16777216: Resource temporarily unavailable
[root@apone iso]# strace growisofs -Z /dev/scd0=FC-6-x86_64-DVD.iso
execve("/usr/bin/growisofs", ["growisofs", "-Z", "/dev/scd0=FC-6-x86_64-DVD.iso"], [/* 38 
vars */]) = 0
...
setuid(0)                               = 0
pread(4, "\1CD001\1\0LINUX                   "..., 2048, 32768) = 2048
mmap(NULL, 16777216, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = -1 EAGAIN (
Resource temporarily unavailable)
write(2, ":-( unable to anonymously mmap 1"..., 41:-( unable to anonymously mmap 16777216:
 ) = 41
write(2, "Resource temporarily unavailable"..., 33Resource temporarily unavailable
) = 33
exit_group(139)                         = ?

When attempting to burn a DVD, nautilus-cd-burner immediately exits with:

Error writing to disc

There was an error writing to the disc:
Unhandled error, aborting


Steps to reproduce:
1. Use a Plextor PX-716A
2. Attempt to burn a DVD
3. Profit! (oh, wait)


Actual results:
DVD burning fails immediately, due to growisofs choking. n-c-b does not provide much helpful information on the error.

Expected results:
DVD burning succeeds!

Does this happen every time?
Yes.

Other information:
If I set the buffer size manually with --use-the-force-luke=bufsize=4M, growisofs works. Perhaps n-c-b could catch the immediate error and step down the buffer size? Or growisofs could have a sane interface for setting things like this, I suppose.