[Buildroot] pthread broken in avr32 build

[John Voltz]

There are some nasty problems in the AVR32 parts of gcc, I would bet these
are the true cause of your problems. I'm hoping the folks at Atmel will give
it some serious attention soon.

John Voltz


On Fri, Mar 21, 2008 at 5:35 AM, Marco Cane <mca at apss.it> wrote:

> hi,
> this is my first post on this list.
>
> I'm developing an embedded system based on the atngw100 board, powered
> by an Atmel AVR32 CPU but I found a big issue.
> It seems that libpthread has some problems because every program using
> threads ends with a segmentation fault. I first discovered this bug
> while testing JamVM & GNU Classpath. All worked fine, but simple
> applications using Java threads behaved in unexpected manner, while they
> worked fine on my Ubuntu box
> So I tried a simple C program like this
> http://www.opengroup.org/onlinepubs/009695399/functions/pthread_join.html,
> compiled by the toolchain and also by the installed gcc with the
> -lpthread option with the same result.
>
> I also tried to compile uclibc with the new linux thread support but
> it's broken, due to a missing file (tls.h) for AVR32 architecture.
>
> So my questions are:
> 1. has anyone experienced this bug and found any solution/workaround?
> 2. how can I retrieve, if exists, a snapshot of buildroot correctly
> supporting threads for AVR32? because I think something went wrong with
> some patches and I wonder if there is somewhere a working snapshot,
> older than recent ones
>
> thanks in advance
>
> Marco
>
>
>
>
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