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Re: [Qemu-devel] [PATCH] qemu.py: Fix error message when qemu dies from


From: Philippe Mathieu-Daudé
Subject: Re: [Qemu-devel] [PATCH] qemu.py: Fix error message when qemu dies from signal
Date: Mon, 14 Jan 2019 12:04:40 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.3.1

Hi Eric,

On 1/11/19 9:13 PM, Eric Blake wrote:
> When qemu dies from a signal, the python code gets a negative
> value for exitcode; but signal numbers are positive.  Copy the
> pattern used in qemu-iotests/iotests.py for reporting a positive
> value.
> 
> CC: address@hidden
> Signed-off-by: Eric Blake <address@hidden>
> ---
>  scripts/qemu.py | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/scripts/qemu.py b/scripts/qemu.py
> index 6e3b0e67719..0a5e02eb56e 100644
> --- a/scripts/qemu.py
> +++ b/scripts/qemu.py
> @@ -351,7 +351,7 @@ class QEMUMachine(object):
>                  command = ' '.join(self._qemu_full_args)
>              else:
>                  command = ''
> -            LOG.warn(msg, exitcode, command)
> +            LOG.warn(msg, -exitcode, command)

What about displaying signal name directly?

import signal

...

            msg = 'qemu received %s: %s'
            ...

            LOG.warn(msg, signal.Signals(-exitcode).name, command)

> 
>          self._launched = False
> 



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