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Date:   Wed, 29 Nov 2023 16:23:55 -0800
From:   Florian Fainelli <>
To:     Andrew Morton <>
Cc:     "" <>,
        Jan Kiszka <>,
        Kieran Bingham <>,
        Shanker Donthineni <>,
        Kuan-Ying Lee <>,
        AngeloGioacchino Del Regno 
Subject: Re: No care given to GDB scripts..

On 11/29/23 15:06, Andrew Morton wrote:
> On Wed, 29 Nov 2023 14:48:02 -0800 Florian Fainelli <> wrote:
>> Hello,
>> It is quite clear that there are zero cares being given to making sure
>> that GDB scripts continue to work after making changes to core kernel
>> code, and why would you, because you probably did not know those
>> existed, but they do and they are used, and useful.
>> A recent example that was fixed by Kuan-Ying is this:
>> and now of course, "lx-interupts" also stopped working altogether after
>> this change:
>> and who knows what else I could not test that is also broken.
>> We really need to find a better way to stop breaking GDB scripts, they
>> break way too often to be even remotely usable, and this is really sad.
>> It is also quite clear that we do not have enough continuous integration
>> and regression testing to ensure those breakages are caught ahead of time...
> This isn't terribly surprising - the gdb scripts are a pretty remote
> corner and are peculiarly sensitive to getting damaged by routine
> kernel development.
> Is there any way of scripting the scripts so we can have some sort of
> automated testing down under tools/testing/selftests/?

That might be a bit difficult to do as this would mean that we can self 
debug and introspect using gdb the live kernel. Testing using QEMU is 
definitively doable however. Of course, I just found another script that 
broke (!

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