[cairo-bugs] [Bug 73580] cairo-perf-trace failure

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=73580

--- Comment #3 from Emanuele Aina <emanuele.aina at collabora.com> ---
> And for whatever reason, libcairo-script-interpreter.so seems to never contain debug information while libcairo.so does, but that's off-topic.

As far as can tell that's because Link Time Optimization effectively disables
debug symbols on libcairo-script-interpreter.so and libcairo-trace.so. My
understandin is that LTO does not work well with debug symbols yet, but I
wonder why it seems to work fine on libcairo.so.

After brutally stripping away the section related to -flto in
build/configure.ac.warnings I got debug symbols working everywhere.

To get back to the main point of this bug, I seem to be affected too and here's
the simple way to trigger it on my Debian installation (sid, libcairo2
1.14.0-2.1) using zenity:

$ cairo-trace cairo-trace zenity --info --text foo
cairo-trace: Recording cairo trace data to /home/em/zenity.25955.trace

$ cairo-perf-trace /home/em/zenity.25955.trace
[ # ]  backend                         test   min(s) median(s) stddev. count
[  0]      xcb                 zenity.25955 Error during replay, line 61:
invalid value (typically too big) for the size of the input (surface, pattern,
etc.)
[  0]     xlib                 zenity.25955 Error during replay, line 61:
invalid value (typically too big) for the size of the input (surface, pattern,
etc.)
[ # ]    image: pixman 0.32.6
[  0]    image                 zenity.25955 Error during replay, line 61:
invalid value (typically too big) for the size of the input (surface, pattern,
etc.)
[ # ]  image16: pixman 0.32.6
[  0]  image16                 zenity.25955 Error during replay, line 61:
invalid value (typically too big) for the size of the input (surface, pattern,
etc.)

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