[x86_64-linux] ptrace (PT_STEP) causes 2 instruction step???

[Daniel Jacobowitz]

On Wed, Nov 22, 2006 at 08:22:27PM -0800, Joel Brobecker wrote:
> I searched the internet a bit, and apparently this type of error
> has happened a while ago. Unfortunately, I lost the link, but the
> reports were saying that the problem they saw only occured in a
> very specific case, which is not the case here...

That was over syscalls, I think.

> Has anyone seen this before? Any clue? Surprisingly, all our
> x86_64-linux machines started showing these symptoms on the same
> day.  All except one, which keeps working fine.

Like Mark, I'm suspicious of updates.  I've never seen this behavior
before.

-- 
Daniel Jacobowitz
CodeSourcery