Just for reference, chromium crashed: [86573.137553] chromium[2233]: segfault at 0 ip 00007fce4aeeb785 sp 00007fff21991b20 error 6 in libjasper.so.1.0.0[7fce4aebc000+4f000] You have to be very quick to attach the file before the thumbnail generation (I passed the full path directly in the file dialog to avoid this step completely).