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Le 19/12/14 16:02, Eike Rathke a écrit :
> Hi Richard,
>
> On Friday, 2014-12-19 14:18:36 +0100, Richard PALO wrote:
>
>>> warn:vcl:101172:1:vcl/generic/fontmanager/fontconfig.cxx:868: In glyph
>>> fallback
>>> throwing away the language property of en because the detected script for
>>> '0x9f
>>> 3' is Bengali and that language doesn't make sense. Autodetecting instead.
>
> That warning is only indirectly related because something may trigger
> initialization of liblangtag for an unknown locale value, I've seen it
> without any crash. Adapted subject..
>
>> My locale is fr_FR.UTF-8 on SunOS 5.11 under pkgsrc.
>>
>> it's coring with:
>> sigmask = 0xffffbefc,0xffffffff,0x000001ff
>> cursig = SIGSEGV
>>
>> Coredump indicates:
>>> 08045fb8 libi18nlangtag.so`LiblantagDataRef::setup+0x4c(fe5b5bdc, fe5b5bdc,
>>> fe5b5a1c, 804605c)
>>> 08046128 libi18nlangtag.so`LanguageTagImpl::canonicalize+0x784(e34a900, 0,
>>> fe59b58b, fe5b28bc)
>
> That is the actual top of the backtrace?
> There isn't much in i18nlangtag/source/languagetag/languagetag.cxx
> LiblantagDataRef::setup() that could go wrong. The only thing that comes
> to mind is that LiblantagDataRef is a static instance initialized with
>
> namespace {
> struct theDataRef : public rtl::Static< LiblantagDataRef, theDataRef > {};
> }
>
> which for some reason may not work on SunOS / your compiler combination.
> As probably no one is using that here, you'd have to break in
> LanguageTagImpl::canonicalize() line 1204 where
> theDataRef::get().incRef() is called (or in the
> LiblantagDataRef::incRef() inline) and investigate what actually happens
> the very first time when the incRef() calls setup()
>
> Other than that maybe the lt_db_initialize() call misbehaves, but since
> that is not in the backtrace..
>
> However, only a step-through could provide insights.
>
> Eike
>
Okay, thanks. I'm building now an upgrade to 4.3.5.2 and will attempt to see
more in
the suggested areas. (I too noticed I'd be wasting my time in fontconfig, hence
my post:)
For info, build is with gcc4.9.2 and the back trace comes from 'mdb' on the
core file
with c++ demangling turned on.
cheers
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