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From: Peter Maydell <peter.maydell@linaro.org>
Date: Fri, 24 Mar 2017 12:56:33 +0000
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Subject: Re: [Qemu-devel] qemu-system-s390x tests/boot-serial-test
 intermittent failure
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To: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: QEMU Developers <qemu-devel@nongnu.org>, Richard Henderson <rth@twiddle.net>, Alexander Graf <agraf@suse.de>, Cornelia Huck <cornelia.huck@de.ibm.com>, =?UTF-8?B?QWxleCBCZW5uw6ll?= <alex.bennee@linaro.org>, Thomas Huth <thuth@redhat.com>

On 24 March 2017 at 11:50, Peter Maydell <peter.maydell@linaro.org> wrote:
> On 24 March 2017 at 11:11, Christian Borntraeger <borntraeger@de.ibm.com> wrote:
>> diff --git a/tests/boot-serial-test.c b/tests/boot-serial-test.c
>> index 57edf6a..11f48b0 100644
>> --- a/tests/boot-serial-test.c
>> +++ b/tests/boot-serial-test.c
>> @@ -79,8 +79,8 @@ static void test_machine(const void *data)
>>      g_assert(fd != -1);
>>
>>      args = g_strdup_printf("-M %s,accel=tcg -chardev file,id=serial0,path=%s"
>> -                           " -serial chardev:serial0 %s", test->machine,
>> -                           tmpname, test->extra);
>> +                           " -no-shutdown -serial chardev:serial0 %s",
>> +                           test->machine, tmpname, test->extra);
>
> ...but this doesn't help.

I think I must have got the testing wrong here somehow, because
trying it again, it does seem to cause the failures to stop.
So I guess this must be the bug...

thanks
-- PMM