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Date: Tue, 06 May 2014 15:36:38 +0200
From: =?ISO-8859-1?Q?Andreas_F=E4rber?= <afaerber@suse.de>
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Subject: Re: [Qemu-devel] [Crucial bug] Qemu-2.0.0 do not support virtio-net
 hot plug/unplug exceed two times
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To: "Gonglei (Arei)" <arei.gonglei@huawei.com>
Cc: Peter Maydell <peter.maydell@linaro.org>, "Michael S. Tsirkin" <mst@redhat.com>, "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>, Markus Armbruster <armbru@redhat.com>, Hani Benhabiles <kroosec@gmail.com>, Paolo Bonzini <pbonzini@redhat.com>

Hi Gonglei,

Am 06.05.2014 14:52, schrieb Gonglei (Arei):
> Step 1: I executed "device_add virtio-net-pci,id=3Dnet1"
> with "info pci", I found the net1, showing as below:
> Bus  0, device   4, function 0:
>     Ethernet controller: PCI device 1af4:1000
>       IRQ 0.
>       BAR0: I/O at 0xffffffffffffffff [0x001e].
>       BAR1: 32 bit memory at 0xffffffffffffffff [0x00000ffe].
>       BAR6: 32 bit memory at 0xffffffffffffffff [0x0003fffe].
>       id "net1"
> Step 2: I executed " device_del net1", but the net1 still existed.
>=20
>> In QMP, you get a DEVICE_DELETED event when the unplug completes.  See
>> qmp/qmp-events.txt.=20
> Actually, I don't get the event, as the net1 can't be unplug.=20
>=20
> BTW, when I execute step 1 "device_add virtio-net-pci,id=3Dnet1", I don=
't find the=20
> Ethernet controller of virtio-net by "lspci " in the guest OS.=20
> TBH, the command execution failed despite we can see net1 with "info pc=
i".

Sounds like the acpiphp kernel module is not loaded inside the guest?

Regards,
Andreas

--=20
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 N=FCrnberg, Germany
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