Unfortunately, your gdb backtrace is touching nowhere the code of CUPS, probably due to being a sub thread which was created somewhere in the libraries.
You need to get this crash registered in the Ubuntu Error Tracker. To do so, you need to follow the instructions in the crash report pop-ups. So if some window is popping up on your machine telling you that some problem has occurred, do not click it away, please follow the instructions.
Unfortunately, your gdb backtrace is touching nowhere the code of CUPS, probably due to being a sub thread which was created somewhere in the libraries.
You need to get this crash registered in the Ubuntu Error Tracker. To do so, you need to follow the instructions in the crash report pop-ups. So if some window is popping up on your machine telling you that some problem has occurred, do not click it away, please follow the instructions.