Le 25/11/2013 11:14, Guillaume Gardet a écrit :
> Le 24/11/2013 21:12, Michal Hrusecky a écrit :
>> Guillaume Gardet - 11:57 22.11.13 wrote:
>>> Le 22/11/2013 11:47, Michal Hrusecky a écrit :
>>>> Guillaume Gardet - 10:13 22.11.13 wrote:
>>>>> Le 22/11/2013 09:55, Guillaume Gardet a écrit :
>>>>>> Hi,
>>>>>>
>>>>>> Le 22/11/2013 09:12, Michal Hrusecky a écrit :
>>>>>>> Hi,
>>>>>>>
>>>>>>> today I tried upgrading openSUSE on my tablet (Tegra2) from 12.3 to 
>>>>>>> 13.1 and I
>>>>>>> ended up with invalid instruction errors just after update of glibc. My 
>>>>>>> guess
>>>>>>> is that glibc was compiled with neon support enabled. Was there any 
>>>>>>> decision to
>>>>>>> drop non-neon devices or is it simply a bug? Is it just glibc that has 
>>>>>>> neon
>>>>>>> enabled or everything? I know that for 32bits we have two glibc 
>>>>>>> packages, maybe
>>>>>>> something similar would be possible for armv7?
>>>>>>>
>>>>>> AFAIK, neon should not be enabled by default, so this is a big bug. 
>>>>>> Someone else noticed this bug few days ago, on a Mirabox (Marvel SoC).
>>>>>>
>>>>>> All my ARM boards are neon capable so I cannot test. :(
>>>>>>
>>>>>> Maybe Alex, or Dirk, could help here?
>>>>> Apparently, glibc is now capable of multiarch for armv7. Which mean that 
>>>>> it can auto-detect if hardware is neon capable, or not. For that, we need 
>>>>> to build glibc with multi-arch option enabled, which is not the case 
>>>>> right now. Without multiarch enabled, no tests are performed and assume 
>>>>> that neon is present.
>>>>>
>>>>> I am building glibc with multi-arch enabled.
>>>>> Once built, could you test if it fix your problem?
>>>>>
>>>> Sure!
>>>>
>>> Here is the glibc RPM to test:
>>> http://guillaume.gardet.free.fr/openSUSE/glibc-2.18-4.6.1.armv7hl.rpm
>>>
>>> Not sure it will fix the problem because build log seems to tell multiarch 
>>> was auto-detected before. But let's try it.
>>>
>>> If rpm, yast or zypper cannot install it, extract it on the SD card.
>> hmmm, tried it, didn't helped, tried 12.3 glibc, that one helped :-/
>>
> Will ask upstream.
>
> But could you try a 13.1 JeOS rootfs, please? Just to be sure that things are 
> not working with updated glibc and software built with this one.

Upstream seems to know this problem. See this resolved bug:
https://sourceware.org/bugzilla/show_bug.cgi?id=15905

Will try to apply this patch on a locally built glibc and I will send you so 
that you can test.


Guillaume

>
>
> Guillaume
>

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