Re: [Qemu-devel] [PATCH 4/4] scripts/qemugdb: backtraces for coroutines in coredump

[Stefan Hajnoczi]

On Wed, Mar 28, 2018 at 08:32:38PM +0300, Vladimir Sementsov-Ogievskiy wrote:
> We can't get coroutine backtrace through obvious way
>  - set regs
>  - bt
>  - restore regs
> when debugging a coredump.
> So, let's go hard way: clone current coredump file, patch regs
> in it and execute a subprocess gdb to get backtrace from this
> patched coredump.

I have CCed you on a patch that uses 'select-frame' to temporarily
switch stacks.  This works in a coredump and does not require
cloning/patching the coredump file.

Please let me know if 'select-frame' works for you, it would be
preferrable to cloning/patching the coredump file.

Stefan

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