On Fri, 28 Mar 2003, Gerd Knorr wrote:
> > > There have been bugs of this sort
> > > fixed in the font renderers not long before 4.3. Though maybe
> > > more exist. If this is easily reproducible I suspect you'll
> > > find that it only happens with the freetype or xtt renders.
> >
> > It likely is the bitmap renderer, but I'll try without freetype.
>
> Font data comes from the fontserver. More gdb debugging:
>
> (gdb) down
> #2 0x0823e611 in XAAGlyphBltTEColorExpansion (pScrn=0x881e8e0, xInit=1,
> yInit=142837096, font=0x0, fg=0, bg=-1, rop=3, planemask=4294967295,
> cclip=0x89434ac, nglyph=1, gBase=0x0, ppci=0x883899c) at xaaTEText.c:281
> ^^^^^^^^^
> Note gBase is NULL, that will result in the NULL pointer dereference
> later on.
No, gBase never gets used. The debug stuff you showed before
had characters in the ppci array that had non-zero metrics yet had
NULL pointers where the data should have been.
Mark.
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