I'm not sure if this is problem that specifically concerns Trinity. I 
generally burn CDs and DVDs with k3b, and almost never use any other program. 
(I'm using the k3b-trinity packages.) I considered trying to use the 
non-Trinity version of k3b, or to boot into a KDE desktop instead of TDE, to 
see if that works. However, I also tried with Brasero, and had similar 
problems, so I'm guessing that the problem is not just with Trinity. 

No problem at all burning DVDs, including dual-layer. (I don't know about 
Blu-Ray, but I don't use them.) Whenever I try to burn CDs, however, k3b goes 
through the whole process, creating image, normalisation, etc., then crashes 
before it actually burns the CD. 

I ought to say that these are audio CDs. I've tried burning flac and wav files 
to CD, both with the same bad results. Also, a few weeks back, I tried to 
copy a large collection of mp3 files to a DVD as a data disc, but the program 
crashed before it could complete, and ruined the disc. I don't know if that 
incident could be related or not. 

It occurs to me to try to write a CD from the command-line, using growisofs or 
the like, but I've never done that before. 

I'm running Debian Jessie 8.8.0 and Trinity r14.04. 

Any help or observations would be appreciated. 

Bill