1) Browse into a directory with a large number of subdirectories. 2) Browse into subdirectory. 3) Click the up arrow very quickly to back out and pass through the large directory again. 4) Seg fault. If this is unclear, let me know and I'll try to explain. shortened strace http://pastebin.com/f12cb4719 Full is attachced.
attachment was too large.
Could you provide a backtrace (with a debuggin build)?
Please reopen if this is still an issue with the latest Thunar release.