> I tested a 64-bit build with image.mem.surfacecache.max_size_kb = 5121024 (smaller than the 32-bit default 10241024 to try to make the problem easier to reproduce) for three days and couldn't reproduce the disappearing image problem.
I _did_ see some images disappear (in particular, the slide preview thumbnails in Google Presentations), but they always reloaded when I scrolled the page. In contrast, when images disappeared in 32-bit build, I had to reload the page to get them to reappear.
Bug 1709679 Comment 13 Edit History
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> I tested a 64-bit build with image.mem.surfacecache.max_size_kb = 512 * 1024 (smaller than the 32-bit default 1024 * 1024 to try to make the problem easier to reproduce) for three days and couldn't reproduce the disappearing image problem.
I _did_ see some images disappear (in particular, the slide preview thumbnails in Google Presentations), but they always reloaded when I scrolled the page. In contrast, when images disappeared in 32-bit build, I had to reload the page to get them to reappear.