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Thread: Re: Fedora utrace changes break PPC GDB




Re: Fedora utrace changes break PPC GDB
user name
2007-11-09 13:21:21
Roland McGrath wrote:
> > Thanks for the quick fix!  I'll verify that it
works for me as soon as
> > the patches are included in Fedora.  (I'm assuming
it is too late for
> > them to get into Fedora 8 at this point, right?)
> 
> Yeah, that ship sailed a few days ago.  But there is
kernel built already
> (koji.fedoraproject.org) that will be an f8-updates
kernel soon, I'd guess
> within a couple of days.

Thanks again!  I've now verified that the ptrace interface
works as expected
again with kernel-2.6.23.1-48.fc8.  Unfortunately I ran in a
number of separate
issues that caused watchpoints to remain broken on my test
system:

- A GDB PPC regression that came in recently.
  This is fixed by http://sourceware.org/ml/gdb-patches/2007-11/msg00202.
html

- A Cell/B.E. specific kernel bug (the DABRX register is not
enabled).
  I've got a hack to work around this, and am currently
working with the
  Cell kernel team to get a proper fix upstream.

With those two problems fixed in addition to the utrace fix,
the watchpoint
related test cases in the GDB test suite pass again.

Bye,
Ulrich

-- 
  Dr. Ulrich Weigand
  GNU Toolchain for Linux on System z and Cell BE
  Ulrich.Weigandde.ibm.com

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