Evolution crashes immediately when I click on calendar button

I'm seeing the same problem. When I run from a terminal, I get:

The program 'evolution' received an X Window System error.
This probably reflects a bug in the program.
The error was 'RenderBadPicture (invalid Picture parameter)'.
  (Details: serial 6268 error_code 175 request_code 153 minor_code 10)
  (Note to programmers: normally, X errors are reported asynchronously;
   that is, you will receive the error a while after causing it.
   To debug your program, run it with the --sync command line
   option to change this behavior. You can then get a meaningful
   backtrace from your debugger if you break on the gdk_x_error() function.)

After running 'evolution --sync', I get a SIGABRT caused by an assertion failure. A backtrace for the crashing thread is attached.

Is there anything special about your calendars, like very long meetings (e.g. spanning more than a day) or icons added for categories?

This seems to crash because of something special that needs to be drawn on screen for appointments/meetings.

No long meetings, no icons, nothing special as far as I know. A few overlapping meetings. A few back-to-back meetings.

Most of my meetings have an alarm, which has an icon associated with it. Several are recurring, which also has an associated icon.

I'm getting different behavior depending on what I do before I click on the calendar button. I'm attaching a couple more backtraces. They all end up at the same assertion, but via a different call chain.

I still have this bug. Is there anything I can do to purge my calendar without actually opening Evolution calendar. I'd like to purge my calendar, start anew, and thus avoid this bug.

Okay. I figured it out. When I started Evolution from terminal window with 'evolution --sync' I was able to open the calendar and then purge all appointments. Thereafter it works without using the sync command.

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