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Can someone explain what "gfx-surface-win32" is in about:memory?

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I have an extension that causes "gfx-surface-win32" in about:memory to use excessive amounts of memory. I have tried to contact the developer of the extension without any success. I was going to try and see if I could fix it but I can figure out what "gfx-surface-win32" is. Can some please explain what this is?

I have an extension that causes "gfx-surface-win32" in about:memory to use excessive amounts of memory. I have tried to contact the developer of the extension without any success. I was going to try and see if I could fix it but I can figure out what "gfx-surface-win32" is. Can some please explain what this is?

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It's a graphics memory usage. The only solution I see is to update your graphics drivers because it's not recommended to change an extension you are not going to maintain.

Note that in Firefox 15 (released on August 28), leaky extensions won't leak in Firefox. See Kyle Huey's blog post.