nptl branch with i386
Matteo Petracca
matteo.petracca at polito.it
Mon Jun 29 12:22:11 UTC 2009
Hi,
I'm using the libraries in openwrt and I have issues to execute
ffmpeg. With the simple command:
ffmpeg -i mediafile
I should have as output informations about the file, but I get a
segmentation fault.
This is the gdb output that I have:
Program received signal SIGSEV, Segmentation fault.
0xb7965cbc in lrintf () from /lib/libm.so.0
I will try with other architectures as soon as possible.
Matteo
Timo Teräs wrote:
> Matteo Petracca wrote:
>> Hello,
>> I am trying to use the nptl branch with i386 support
>> added by Timo through the patch:
>>
>> http://solidboot.com/~fabled/uclibc-nptl-i386.diff
>>
>> It works and the system compiles, but I am having
>> some issues in using the lrintf function which gives
>> segmentation fault.
>>
>> Thank you very much for any possible help.
>
> Could you provide a simple test program that crashes?
> Or a gdb backtrace of your program while it crashes?
>
> Looks like lrintf is just a simple inline function
> that executes a specific fpu instructions. The only
> way it can be nptl/i386 specific is that the fpu
> instruction is mangling some TLS specific variable.
> Do you know if it works with nptl branch on some other
> architecture?
>
> - Timo
>
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