Around http://trac.webkit.org/log/?verbose=on&rev=135542&stop_rev=135541, http/tests/local/drag-over-remote-content.html started failing on Win7 with the following stack trace: crash log for DumpRenderTree (pid 15544): STDOUT: <empty> STDERR: Backtrace: STDERR: (No symbol) [0x3A465457] STDERR: WebKit::WebFilterOperation::WebFilterOperation [0x617B52E2+17695330] STDERR: WebKit::WebFilterOperation::WebFilterOperation [0x617B517E+17694974] STDERR: WebKit::WebFilterOperation::WebFilterOperation [0x617B5482+17695746] STDERR: WebKit::WebFilterOperation::WebFilterOperation [0x617B5020+17694624] STDERR: WebKit::WebFilterOperation::WebFilterOperation [0x61286437+12260279] STDERR: WebKit::WebFilterOperation::WebFilterOperation [0x60F3AD2D+8805549] STDERR: WebKit::WebFilterOperation::WebFilterOperation [0x60F3C8A5+8812581] STDERR: WebKit::WebFilterOperation::WebFilterOperation [0x60F3AE81+8805889] STDERR: WebKit::WebFilterOperation::WebFilterOperation [0x60FC27F4+9361268] STDERR: WebKit::WebFilterOperation::WebFilterOperation [0x610C9266+10437094] STDERR: WebKit::WebFilterOperation::WebFilterOperation [0x610CD8F8+10455160] STDERR: WebKit::WebFilterOperation::WebFilterOperation [0x610D5029+10485673] STDERR: WebKit::WebFilterOperation::WebFilterOperation [0x610525C3+9950531] STDERR: WebKit::WebFilterOperation::WebFilterOperation [0x610524D6+9950294] STDERR: webkit_glue::WebClipboardImpl::WebClipboardImpl [0x6AC5DF1B+455431] STDERR: webkit_glue::WebClipboardImpl::WebClipboardImpl [0x6AC6816B+496983] STDERR: webkit_glue::WebClipboardImpl::WebClipboardImpl [0x6AC680BA+496806] STDERR: webkit_glue::WebClipboardImpl::WebClipboardImpl [0x6AC67FDA+496582] STDERR: base::internal::LockImpl::os_lock [0x6D559E7F+435211] STDERR: base::internal::LockImpl::os_lock [0x6D610E1B+1184679] STDERR: base::internal::LockImpl::os_lock [0x6D610B46+1183954] STDERR: base::internal::LockImpl::os_lock [0x6D6115BB+1186631] STDERR: base::internal::LockImpl::os_lock [0x6D61156A+1186550] STDERR: base::internal::LockImpl::os_lock [0x6D6114CA+1186390] STDERR: base::internal::LockImpl::os_lock [0x6D559E7F+435211] STDERR: base::internal::LockImpl::os_lock [0x6D565504+481936] STDERR: base::internal::LockImpl::os_lock [0x6D565934+483008] STDERR: base::internal::LockImpl::os_lock [0x6D5667F3+486783] STDERR: base::internal::LockImpl::os_lock [0x6D57A634+568256] STDERR: base::internal::LockImpl::os_lock [0x6D579742+564430] STDERR: base::internal::LockImpl::os_lock [0x6D505C0C+90520] STDERR: base::internal::LockImpl::os_lock [0x6D565049+480725] STDERR: base::internal::LockImpl::os_lock [0x6D564D9B+480039] STDERR: base::internal::LockImpl::os_lock [0x6D534089+280085] STDERR: base::internal::LockImpl::os_lock [0x6D564091+476701] STDERR: (No symbol) [0x00D9C73D]
When filing bugs, please make it more clear what platform you observe them on, and whether you did anything to check other platforms.