Re: [coldfire-gnu-discuss] m5272, gdb/gdbserver and uClinux/pthreads... again

[Maxim Kuvyrkov <maxim@xxxxxxxxxxxxxxxx>]

On 5/18/10 8:53 AM, Harry Gunnarsson wrote:
> Hi,
> Back in march 8th I inquired about pthread debugging under uClinux using
> gdbserver and Maxim and I had a brief discussion on the topic(you could
> look up the thread on codesourcery website). I believe his stance was
> that it should work. I tested again using the brand new 4.4-216, but I
> am still unsuccessful debugging pthread apps under uclinux.
> Recap; this used to work using uclinux 2007 and CodeSourcery 4.2. Now
> with newer kernel/distro and newer toolchain, it doesn't work; once
> doing 'target remote' from host, gdbserver bails out. Also, debugging
> non-threaded apps works perfectly.
>
> BTW, I am using the uClinux distro from uclinux.org <http://uclinux.org>.

FWIW, we test our toolchains against LTIB rootfs.

> Some other postings on the mailing lists got me wondered;
> - Is there anything in the kernel configuration that is required for
> debugging pthreads?
>
> Does anyone had any success doing this kind of debugging?

Can you provide a simple testcase that uses pthreads and debugging which 
does not work?

Thank you,

--
Maxim Kuvyrkov
CodeSourcery
maxim@xxxxxxxxxxxxxxxx
(650) 331-3385 x724