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Re: GDB 8.1 release -- 2018-01-08 update


On Mon, 8 Jan 2018, Pedro Alves wrote:

> >  GDB uses the special thread ID 0, standing for `any', which older 
> > `gdbserver' versions do not recognise.  It does not verify beforehand 
> > whether `gdbserver' supports this request and does not handle an error 
> > reply gracefully.  Consequently an error reply to a `Hg0' packet issued 
> > causes GDB to lose track of what is going on, making it impossible to 
> > continue with the debug session.  This happens with all sessions in the 
> > initial connection handshake, making the combination of new GDB and old 
> > `gdbserver' unusable.
> 
> I'm looking at this.  I can reproduce it on x86-64 using a gdbserver
> from 2007 (git hash "f8b73d13b7ca^", the same revision Maciej's
> gdbserver is built from).  I confirm that 5cd63fda035d somehow
> introduces the regression.  No idea why yet.

 Great, thanks!

  Maciej


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