Re: Recent font problem

Am 12.12.2011 23:42, schrieb walt:
> Hi Heinrich :)
>
> Just in the last two git pulls I've been seeing pan closing with an
> assertion in cairo, but today I also got these pango complaints:
>
> Pango-CRITICAL: pango_font_description_set_size: assertion 'size >= 0' 
> failed
>
> Pango-WARNING: failed to create cairo scaled font, expect ugly output, 
> the
> offending font is 'Cantarell'
>
> Pango-WARNING: font_face status is: no error has occurred
>
> Pango-WARNING: scaled_font status is: invalid matrix (not invertible)
>
> Pango-WARNING: shaping failure, expect ugly output, 
> shape-engine='BasicEngineFc',
> font='Cantarell', text="Connecting'
>
> pan: cairo-surface.c:1287: cairo_surface_set_device_offset: Assertion 
> 'status ==
> CAIRO_STATUS_SUCCESS' failed
>
> I also recently 'upgraded' to gnome 3, which uses Cantarell as its 
> default font.
>
> This error doesn't happen all the time.  I've seen it mostly while 
> pulling headers
> from a busy binary group with bazillions of headers, but I doubt the 
> number of
> headers has anything to do with this problem.  Maybe some weird 
> character in one
> of the headers?
>
> To add to the confusion, I just now finally updated that group without 
> problem,
> so I dunno if I can reproduce it again.  Yesterday the assertion was 
> 100% in the
> one problem group, but I don't recall it in any other groups.  I'll 
> let you know
> if the problem recurs again tomorrow.
>
> Any ideas?
>
> Many thanks!
>
>
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Hi walt.
Next time run pan with gdb and do a backtrace. Also do an "export 
G_DEBUG="fatal-warnings" before running it.

cheers.