Build: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:2.0b8pre) Gecko/20101110 Firefox/4.0b8pre It is a new crash signature that was introduced by this 64-bit build. Crash daily rate is about 200 crashes/buildday. It is #11 top crasher in 4.0b8pre for the last week. Note that crash report submission is recent in 64-bit builds. Signature atidxx64.dll@0x2a23f0 UUID 39cb2012-65db-4f45-9c4e-f3e8f2101111 Time 2010-11-11 08:01:21.482492 Uptime 8011259 Last Crash 15755 seconds (4.4 hours) before submission Install Age 29555 seconds (8.2 hours) since version was first installed. Product Firefox Version 4.0b8pre Build ID 20101110140021 Branch 2.0 OS Windows NT OS Version 6.1.7600 CPU amd64 CPU Info family 6 model 15 stepping 11 Crash Reason EXCEPTION_ACCESS_VIOLATION_READ Crash Address 0xffffffff16ada5cc App Notes AdapterVendorID: 1002, AdapterDeviceID: 9505 Frame Module Signature [Expand] Source 0 atidxx64.dll atidxx64.dll@0x2a23f0 1 atidxx64.dll atidxx64.dll@0x4ce3d 2 atidxx64.dll atidxx64.dll@0x4c1d1 3 atidxx64.dll atidxx64.dll@0x4b96f The regression range is: http://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=5f427b7d7b60&tochange=85b93f3ea9d1 More reports at: http://crash-stats.mozilla.com/report/list?range_value=4&range_unit=weeks&signature=atidxx64.dll%400x2a23f0