Re: no stack trace with 2.6.11 and gdb 6.3

Daniel Jacobowitz
2005-06-10T18:11:46Z

On Fri, Jun 10, 2005 at 12:58:55PM -0500, Rich Coe wrote:
> I have been investigating a problem we found here, which initially
> exactly matched the problem reported here:
>
> https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=146087
>
> 1. Start a 32-bit app on a x86_64 system
> 2. attach with gdb
> 3. backtrace starting in a system call doesn't work
>
> Our versions:
> kernel: 2.6.11.11
> gdb: 6.3.0.0-1.21

This is presumably a bug in that Red Hat-supplied version of GDB. We
can't help you with it on this list; if you can reproduce it with the
version of GDB in CVS, please let us know, otherwise you should discuss
it with Red Hat.

Code was added sometime last year to handle loading the vDSO on attach.

--
Daniel Jacobowitz
CodeSourcery, LLC