Re: gdb/threading under arm-linux

[Michael Snyder <msnyder at redhat dot com>]

Miah Gregory wrote:
> 
> In message <20020305103521.A27860@nevyn.them.org>
>           Daniel Jacobowitz <drow@mvista.com> wrote:
> 
> > On Tue, Mar 05, 2002 at 01:39:31PM +0000, Miah Gregory wrote:
> 
> > > Does anyone know whether threads are supported in the arm-linux version
> > > of gdb. From the gdb documentation, if 'info threads' appears to no-op,
> > > and 'thread x' gives an error, threads are not supported.
> 
> > > I'm trying to work out whether I'm seeing a gdb problem, a kernel
> > > problem, or both. I'm running this test on a pair of compaq ipaq's, one
> > > running 2.4.3-rmk2-np1, and the other running 2.4.16-rmk1.
> 
> > > gdb version | kernel version | threads seem to work?
> > > ------------|----------------|-------------------------------------
> > > 5.0         | 2.4.3-rmk2-np1 | Yes
> > > 5.1.1       | 2.4.3-rmk2-np1 | No, but lots of SIG32's are received
> > > 5.0         | 2.4.16-rmk1    | No, but lots of SIG32's are received
> > > 5.1.1       | 2.4.16-rmk1    | No, but lots of SIG32's are received
> 
> > > I'm happy to try and debug this, but I could do with a few pointers as to
> > > where I should start looking, and some ideas as to what I'm looking for.
> 
> > Please try a current snapshot (see http://sources.redhat.com/gdb/).  It
> > should work.
> 
> No luck. Now both kernels give the SIG32 problem.
> This is with snapshot 20020305. Also, as an added bonus, gdb now crashes
> when you ctrl-c a running program to get to the debugger, then do
> 'info threads'. :-(

Are you using libc 2.2?