[poky] web2 on PPC

Khem Raj raj.khem at gmail.com
Mon Oct 3 13:14:13 PDT 2011


On 10/3/2011 7:59 AM, Gary Thomas wrote:
> On 2011-09-30 14:15, Gary Thomas wrote:
>> I'm trying to run the web-webkit browser on my PowerPC system (built
>> using Poky).
>> I've built this on ARM and it runs great, but on PowerPC it fails
>> almost immediately.
>> Following into the failure with GDB, it looks like it's trying to
>> build up a string
>> using a [possibly] wide character iterator. It fails on line 76 of the
>> code below,
>> going through it by hand shows that 'iterator' is NULL.
>>
>> (gdb) dir
>> /local/logopak8347tbga_new/tmp/work/ppc603e-amltd-linux/webkit-gtk-1.5.1+svnr90727-r0
>>
>> (gdb) l
>> 71 TextBreakIterator* acquireLineBreakIterator(const UChar* string,
>> int length, const AtomicString& locale)
>> 72 {
>> 73 UBreakIterator* iterator =
>> LineBreakIteratorPool::sharedPool().take(locale);
>> 74
>> 75 UErrorCode setTextStatus = U_ZERO_ERROR;
>> 76 ubrk_setText(iterator, string, length, &setTextStatus);
>> 77 if (U_FAILURE(setTextStatus)) {
>> 78 LOG_ERROR("ubrk_setText failed with status %d", setTextStatus);
>> 79 return 0;
>> 80 }
>> (gdb) b 75
>> Breakpoint 1 at 0xf8a7440: file
>> Source/WebCore/platform/text/TextBreakIteratorICU.cpp, line 75.
>>
>> Any ideas what might be wrong here? Maybe some confusion about wide vs
>> not-wide
>> character representation (I've seen this one a lot, especially on
>> PowerPC systems)?
>> Any clues where to look next?
>> I did note that 'locale' into this function is also NULL.
>>
>> Should I file a bug?
>>
>> Note: I tried this with the stock Poky master
>> 9d1db6cc928199f8ac4960e8d4648563ef141427
>> building for qemuppc and running web2 via ssh -X (since qemu doesn't
>> support graphics?)
>> The failure is the same, so this is not something special in my setup.
>>
>> Note 2: it's difficult to get this to fail when running in qemu since
>> it only fails
>> when it's loading and rendering the www.google.co.uk default page. I
>> couldn't figure
>> out how to get my qemu system to be able to access that page over the
>> net, but I ran
>> the same Yocto filesystem on my hardware (this is not a hardware bug)
>> with the same
>> failure. Maybe someone smarter than me can show me how to get qemu to
>> actually access
>> the internet (when the machine that's running qemu is inside a NAT'd
>> zone)?
>>
>> Thanks for any help/ideas
>>
>
> Filed as http://bugzilla.pokylinux.org/show_bug.cgi?id=1570
>
> Still looking for ideas on where to look, how to debug this.

such problems can happen when autoconf variables are not cached with 
right values. So look into site files. What variables to look for can be
taken from config.log of the package.


>
> Thanks
>




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