[cairo-bugs] [Bug 49719] Assert failures in cairo-surface.c on Ubuntu 11.10/12.04

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=49719

--- Comment #9 from Uli Schlachter <psychon at znc.in> 2012-05-10 08:00:13 PDT ---
Can you get cairo 1.12.2 and check if this also happens with that cairo
version?
I don't have any bug number for you, but there were lots of fixes since 1.10
and I can't easily tell how many of those affect cairo 1.10, too.

On your backtrace:
When this happens again, could you figure out the surface's state? In gdb, do
"frame 5" and "print *surace"? However, this would need debug symbols for cairo
which your earlier backtrace doesn't have (as can be seen by the invisible
function arguments in the backtrace: "#5  0x00705f0a in
cairo_surface_set_device_offset ()"). I think/hope there should be a package
libcairo2-dbg for that.

I'm especially interested in surface->device_fransform.

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