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From: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= <philmd@redhat.com>
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Date: Mon, 10 Dec 2018 10:22:01 +0100
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Subject: Re: [Qemu-devel] [PATCH 0/6] fw_cfg: add HMP 'info fw_cfg' and
 add_file_from_host()
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To: qemu-devel@nongnu.org
Cc: famz@redhat.com, mst@redhat.com, lersek@redhat.com, dgilbert@redhat.com, peter.maydell@linaro.org, imammedo@redhat.com, qemu-arm@nongnu.org, ehabkost@redhat.com

On 12/7/18 11:48 PM, no-reply@patchew.org wrote:
> This series failed the docker-quick@centos7 build test. Please find the testing commands and
> their output below. If you have Docker installed, you can probably reproduce it
> locally.
> 
...
> The full log is available at
> http://patchew.org/logs/20181207170400.5129-1-philmd@redhat.com/testing.docker-quick@centos7/?type=message.

  qemu-system-x86_64: Back to tcg accelerator
  Broken pipe
  /tmp/qemu-test/src/tests/libqtest.c:125: kill_qemu() detected QEMU
death from signal 11 (Segmentation fault) (core dumped)
  GTester: last random seed: R02Sb6a4400485731f23217a8855e030b450
  Broken pipe

Probably the error Michael noticed:

>> +void hmp_info_fw_cfg(Monitor *mon, const QDict *qdict)
>> +{
>> +    FWCfgState *s = fw_cfg_find();
>> +    int arch, key;
>
>  Looks like this will crash on a machine without fw cfg.