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From: Luis Machado <luis.machado@arm.com>
To: Chris Packham <judge.packham@gmail.com>
Cc: GDB Mailing list <gdb@sourceware.org>
Subject: Re: Problems interrupting remote target on powerpc
Date: Fri, 28 Apr 2023 10:40:51 +0100	[thread overview]
Message-ID: <00c24cea-f256-3149-dcc7-1bad08e8bef8@arm.com> (raw)
In-Reply-To: <CAFOYHZAh5Fi9jvmu=hu5Rfh+OjdpOddkRP2zMR3dvjHTGTBHJA@mail.gmail.com>

On 4/28/23 10:38, Chris Packham wrote:
> 
> 
> On Fri, 28 Apr 2023, 9:19 PM Luis Machado, <luis.machado@arm.com <mailto:luis.machado@arm.com>> wrote:
> 
>     On 4/28/23 10:14, Chris Packham via Gdb wrote:
>      > On Thu, 27 Apr 2023, 4:55 PM Chris Packham, <judge.packham@gmail.com <mailto:judge.packham@gmail.com>> 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.
> 

Is it a tight loop by any change? Or is gdb trapped in a long sequence of instruction-steps?

  reply	other threads:[~2023-04-28  9:41 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-04-27  4:55 Chris Packham
2023-04-28  9:14 ` Chris Packham
2023-04-28  9:18   ` Luis Machado
2023-04-28  9:38     ` Chris Packham
2023-04-28  9:40       ` Luis Machado [this message]
2023-04-28 11:25         ` Chris Packham
2023-04-28 13:02           ` Luis Machado
2023-04-28 14:05             ` Joel Brobecker
2023-05-01  5:30             ` Chris Packham
2023-05-01 21:20               ` Chris Packham
2023-05-02 12:46                 ` Tom Tromey
2023-05-02 12:55               ` Luis Machado

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