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 600 crashes/buildday. It is #2 top crasher in 4.0b8pre for the last week. Note that crash report submission is recent in 64-bit builds. Signature atidxx64.dll@0x2b4270 UUID 10af6eed-2d3e-48d2-8870-c08032101111 Time 2010-11-11 20:38:46.452970 Uptime 72906 Install Age 72906 seconds (20.3 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 16 model 4 stepping 3 Crash Reason EXCEPTION_ACCESS_VIOLATION_READ Crash Address 0xffffffff130944dc App Notes AdapterVendorID: 1002, AdapterDeviceID: 9440 Frame Module Signature [Expand] Source 0 atidxx64.dll atidxx64.dll@0x2b4270 1 atidxx64.dll atidxx64.dll@0x4df3d 2 atidxx64.dll atidxx64.dll@0x4d2d1 3 atidxx64.dll atidxx64.dll@0x4caaf 4 atidxx64.dll atidxx64.dll@0x4a60 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%400x2b4270

As far as I can see if this is 64-bit only it doesn't block 2.0 since we don't have an official 64 bit release, do we?

> As far as I can see if this is 64-bit only it doesn't block 2.0 since we don't > have an official 64 bit release, do we? I don't think so. But it will bias crash stats as it is not possible to sort stats by 32-bit builds. Now, 7 top crashers are exclusively 64-bit related in the top 10 crasher.

Reproduction: Go to this URL: http://www.adobe.com/software/flash/about/

This will be fixed by bug 611389. This isn't driver issue.