Created attachment 503580 [details] Before new tab click I have only noticed this on Mac OS X, here are the specs of my MBP: 1.16 GHz Intel Core Duo 2 GB 667 MHz RAM OS X 10.6.5 Session restore, new tab, close tab all cause most tabs to fade out, then 2 - 3 seconds later the tabs fade in. The tab strip is just a gray strip during the fade out.
this seems like it is similar to bug 593680, but that bug had an emphasis on Linux
video card specs: ATI Radeon X1600: Chipset Model: ATY,RadeonX1600 Type: GPU Bus: PCIe PCIe Lane Width: x16 VRAM (Total): 256 MB Vendor: ATI (0x1002) Device ID: 0x71c5 Revision ID: 0x0000 EFI Driver Version: 01.00.068 Displays: Color LCD: Resolution: 1440 x 900 Pixel Depth: 32-Bit Color (ARGB8888) Main Display: Yes Mirror: Off Online: Yes Built-In: Yes Display Connector: Status: No Display Connected
Does disabling h/w acceleration help?