Re: Problems interrupting remote target on powerpc

On Fri, 28 Apr 2023, 9:19 PM Luis Machado, <[email protected]> wrote:

> On 4/28/23 10:14, Chris Packham via Gdb wrote:
> > On Thu, 27 Apr 2023, 4:55 PM Chris Packham, <[email protected]>
> wrote:
> >
> >> Hi GDB,
> >>
> >> I've had a few users report to me issues with interrupting a running
> >> process after continuing when attached to a remote gdbserver running
> >> on a powerpc target. Everything seems to work properly on arm and
> >> aarch64 so there might be some powerpc or big-endian specific issue
> >> lurking.
> >>
> >> The gdbserver version we're currently using is from gdb-11.2 built
> >> from source and most users have gdb-multiarch 12.1 from ubuntu 22.04
> >> (some might still be using gdb-multiarch 10.2 from a PPA).
> >>
> >> Does this ring any bells for anyone? I'm going to try and get hold of
> >> a powerpc target to test with to see if I can reproduce it for myself.
> >>
> >> Thanks,
> >> Chris
> >>
> >
> > Did some digging of my own I can report that indeed things aren't working
> > well for powerpc. I tried updating gdbserver to 12.1 and 13.1. 12.1 was
> > much the same as 11.2. 13.1 reported that it was unable to send sigkill
> > when processing the interrupt command. 13.1 also seems not to be able to
> > respond to the 'info os processes' command from the gdb client
> >
> >>
>
> What sort of behavior/output do you see?
>

I'll capture some proper output when I'm back in the office but basically
once I 'continue' I can't get the gdb prompt back with Ctrl+C.

>