I encountered this bug while using cairocffi, and the developer of that product informed me that errors received by cairocffi come from cairo and thus I needed to send the bug report to you guys. The module wanted one of the liberation fonts, but they weren't installed. The error returned was "out of memory". This confused me for a few hours until someone helped me search through strace output and found that the last thing before the exception was a collection of attempts to access fonts. To replicate this issue: Create a Centos 6.5 VM, update it (but do not install liberation-sans-fonts), install cairocffi, use it to make an SVG with text. What I got: CAIRO_STATUS_NO_MEMORY exception What I expected: Some kind of "font not found" message.
I think I fixed this with this commit: http://cgit.freedesktop.org/cairo/commit/?id=bb01fd879448b47074d4d800fe1620a57caf1dbe
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