Andrew: again, thanks for the informative email with sufficient data so that GoodGuy could easily fix this.  A fix was checked into GIT late today.  Phyllis/GG

After hitting start  Cinelerra-GG freezed....

at the end I see

BOOBY!
cin(_Z5boobyv+0x26) [0x8944596]
cin(_ZN13BC_WindowBase19draw_top_backgroundEPS_iiiiP9BC_Pixmap+0x21) [0x895c891]
cin(_ZN14BC_ProgressBar13update_lengthEx+0x93) [0x8910883]
cin(_ZN12MainProgress14start_progressEPcxi+0x3ad) [0x86b6d85]
cin(_ZN6Render14start_progressEv+0xcc) [0x87a5dfc]