>run firefox and gdb and see where the crash occurs OK, here is the log from gdbStarting program: /usr/bin/firefox [Thread debugging using libthread_db enabled] [New Thread 0x7fffe76bf700 (LWP 4336)] [New Thread 0x7fffe6ab4700 (LWP 4337)] [New Thread 0x7fffe62b3700 (LWP 4338)] [New Thread 0x7fffe58c8700 (LWP 4339)] [New Thread 0x7fffe4c90700 (LWP 4340)] [New Thread 0x7fffe42ff700 (LWP 4341)] [New Thread 0x7fffe3afe700 (LWP 4342)] [New Thread 0x7fffe1eff700 (LWP 4343)] [New Thread 0x7fffe10ff700 (LWP 4344)] [New Thread 0x7fffe06ff700 (LWP 4345)] Program received signal SIGSEGV, Segmentation fault. 0x0000000000000000 in ?? () (gdb) backtrace #0 0x0000000000000000 in ?? () #1 0x00007ffff45ac314 in ?? () from /usr/lib/libsqlite3.so.0 #2 0x00007ffff45bb187 in ?? () from /usr/lib/libsqlite3.so.0 #3 0x00007ffff45cb70c in ?? () from /usr/lib/libsqlite3.so.0 #4 0x00007ffff45cb98b in ?? () from /usr/lib/libsqlite3.so.0 #5 0x00007ffff46115f5 in sqlite3_wal_checkpoint_v2 () from /usr/lib/libsqlite3.so.0 #6 0x00007ffff46116b1 in ?? () from /usr/lib/libsqlite3.so.0 #7 0x00007ffff45f2059 in sqlite3_step () from /usr/lib/libsqlite3.so.0 #8 0x00007ffff45f681c in sqlite3_exec () from /usr/lib/libsqlite3.so.0 #9 0x00007ffff55c4b3d in ?? () from /usr/lib/xulrunner-2.0/libxul.so #10 0x00007ffff55c4c84 in ?? () from /usr/lib/xulrunner-2.0/libxul.so #11 0x00007ffff4e3a87f in ?? () from /usr/lib/xulrunner-2.0/libxul.so #12 0x00007ffff55e726f in ?? () from /usr/lib/xulrunner-2.0/libxul.so #13 0x00007ffff55e8120 in ?? () from /usr/lib/xulrunner-2.0/libxul.so #14 0x00007ffff55fbdc6 in ?? () from /usr/lib/xulrunner-2.0/libxul.so #15 0x00007ffff576b0fd in NS_InvokeByIndex_P () from /usr/lib/xulrunner-2.0/libxul.so #16 0x00007ffff5436919 in ?? () from /usr/lib/xulrunner-2.0/libxul.so #17 0x00007ffff543aa8a in ?? () from /usr/lib/xulrunner-2.0/libxul.so #18 0x00007ffff6647dcf in ?? () from /usr/lib/xulrunner-2.0/libmozjs.so #19 0x00007ffff6654735 in ?? () from /usr/lib/xulrunner-2.0/libmozjs.so #20 0x00007ffff6656602 in ?? () from /usr/lib/xulrunner-2.0/libmozjs.so I can confirm that the problem is sqlite3 3.7.6-1 in testing. Downgrading to the one in core, sqlite3 3.7.5-1, solves the problem..Thanks,Gordy