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Date: Wed, 30 Aug 2017 13:52:14 +0200
In-Reply-To: <1020ea13-1f4d-4679-61d4-98c21dca0bb5@redhat.com> (Thomas Huth's
	message of "Wed, 30 Aug 2017 11:13:22 +0200")
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Subject: Re: [Qemu-devel] make check speed
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To: Thomas Huth <thuth@redhat.com>
Cc: Cornelia Huck <cohuck@redhat.com>, Laurent Vivier <lvivier@redhat.com>, Peter Maydell <peter.maydell@linaro.org>, Cam Macdonell <cam@cs.ualberta.ca>, Fam Zheng <famz@redhat.com>, "Michael S. Tsirkin" <mst@redhat.com>, Richard Henderson <richard.henderson@linaro.org>, QEMU Developers <qemu-devel@nongnu.org>, Philippe =?utf-8?Q?Mathieu-Daud?= =?utf-8?Q?=C3=A9?= <f4bug@amsat.org>, =?utf-8?Q?Marc-Andr=C3=A9?= Lureau <mlureau@redhat.com>, Cleber Rosa <crosa@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>, =?utf-8?B?THVrw6HFoQ==?= Doktor <ldoktor@redhat.com>, Alex =?utf-8?Q?Benn=C3=A9e?= <alex.bennee@linaro.org>, David Gibson <david@gibson.dropbear.id.au>

Thomas Huth <thuth@redhat.com> writes:

> On 30.08.2017 10:59, Cornelia Huck wrote:
> [...]
>>>> On s390x:
>>>> TEST: tests/ivshmem-test... (pid=63617)
>>>>   /x86_64/ivshmem/single:                                              OK
>>>>   /x86_64/ivshmem/hotplug:                                             OK
>>>>   /x86_64/ivshmem/memdev:                                              OK
>>>>   /x86_64/ivshmem/pair:                                                OK
>>>>   /x86_64/ivshmem/server-msi:                                          qemu-system-x86_64: -device ivshmem-doorbell,chardev=chr0,vectors=2: server sent invalid ID message
>>>> Broken pipe
>>>> FAIL
>>>> GTester: last random seed: R02Sda000f7be5ce27b3dfbb03d12f297b69
>>>> (pid=63640)
>>>>   /x86_64/ivshmem/server-irq:                                          qemu-system-x86_64: -device ivshmem,size=1M,msi=off,chardev=chr0,vectors=2: server sent invalid ID message
>>>> Broken pipe
>>>> FAIL
>>>> GTester: last random seed: R02S5a236dbcac35545cc34c0131fbc06162
>>>> (pid=63648)
>>>> FAIL: tests/ivshmem-test
>> 
>> ...but this is a different problem (i.e., it can't be tracked down to
>> commit b4ba67d9a7). I'm not sure whether that one ever worked. Might be
>> an endianness problem (a quick test on another BE platform could
>> confirm.)
>
> This also fails on a big endian ppc64 host machine:
>
> $ uname -m
> ppc64
> $ V=1 QTEST_QEMU_BINARY=x86_64-softmmu/qemu-system-x86_64 tests/ivshmem-test -m slow
> /x86_64/ivshmem/single: OK
> /x86_64/ivshmem/hotplug: OK
> /x86_64/ivshmem/memdev: OK
> /x86_64/ivshmem/pair: OK
> /x86_64/ivshmem/server-msi: qemu-system-x86_64: -device ivshmem-doorbell,chardev=chr0,vectors=2: server sent invalid ID message
> Broken pipe

Botched endian conversion?