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Re: [Qemu-devel] [PATCH v8 5/7] libqos: Added test case for configuratio


From: Marc Marí
Subject: Re: [Qemu-devel] [PATCH v8 5/7] libqos: Added test case for configuration changes in virtio-blk test
Date: Mon, 1 Sep 2014 18:27:34 +0200

El Mon, 1 Sep 2014 18:09:09 +0200
Greg Kurz <address@hidden> escribió:
> On Mon,  1 Sep 2014 12:07:58 +0200
> Marc Marí <address@hidden> wrote:
> > Reviewed-by: Stefan Hajnoczi <address@hidden>
> > Signed-off-by: Marc Marí <address@hidden>
> > ---
> 
> Hi Marc,
> 
> I gave it a try for various host/target combinations involving ppc64
> and x86_64. Here is what I get:
> 
>         |   x86_64   |    ppc64    | TARGET
>         +------------+-------------+--------
> x86_64  |     OK     | assert  (1) |
> --------+------------+-------------+
> ppc64   | assert (2) | assert  (1) |
> --------+------------+-------------+
> ppc64le |     OK     | assert  (1) |
> --------+------------+-------------+
>   HOST  |
> 
> where OK means:
> 
> /virtio/blk/pci/basic: OK
> /virtio/blk/pci/indirect: OK
> /virtio/blk/pci/config: OK
> /virtio/blk/pci/msix: OK
> /virtio/blk/pci/idx: OK
> 
> and assert (1) is:
> 
> tests/virtio-blk-test.c:87:virtio_blk_init: assertion failed: (dev !=
> NULL)
> 
> and assert (2) is:
> 
> tests/virtio-blk-test.c:171:pci_basic: assertion failed (status ==
> 0): (2 == 0)
> 
> I will investigate further but the first column in the array ^^ seems
> to indicate that there's some endianness bug.
> 
> Cheers.
> 
> --
> Greg

Hi

I will also investigate. Just add that with assert (2), status
is 2, which means status is VIRTIO_BLK_S_UNSUPP, which means "request
unsupported by host". So, for some reason, ppc64 host does not support
a simple write request.

Thanks for your tests
Marc



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