Re: [Xen-devel] LSI SAS2008 Option Rom Failure

[David Erickson <halcyon1981@xxxxxxxxx>]

>>
>> As a second question, I am not getting a NIC inside the guest for
>> network access when using QEMU upstream, I see vif's added to my host
>> machine:
>>
>> vif1.0    Link encap:Ethernet  HWaddr fe:ff:ff:ff:ff:ff
>>           UP BROADCAST RUNNING PROMISC MULTICAST  MTU:1500  Metric:1
>>           RX packets:0 errors:0 dropped:0 overruns:0 frame:0
>>           TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
>>           collisions:0 txqueuelen:32
>>           RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
>>
>> vif1.0-emu Link encap:Ethernet  HWaddr fe:ff:ff:ff:ff:ff
>>           inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
>>           UP BROADCAST RUNNING PROMISC MULTICAST  MTU:1500  Metric:1
>>           RX packets:0 errors:0 dropped:0 overruns:0 frame:0
>>           TX packets:10 errors:0 dropped:0 overruns:0 carrier:0
>>           collisions:0 txqueuelen:500
>>           RX bytes:0 (0.0 B)  TX bytes:1272 (1.2 KB)
>>
>> But nothing corresponding inside the guest. My guest's config file has:
>> vif = ['bridge=xenbr0, type=ioemu']
>
> Do you have the necessary driver inside the guest? IIRC the default
> emulated NIC is the rtl8139.
>
> It looks like you've asked for EMU only so I'm not sure why you have got
> a vif interface, that might be a bug.
>
> You should also check that your domU kernel is not unplugging the
> emulated NIC -- there should be log messages to that effect if it is. I
> don't recall which guest kernel you have but you could try
> "xen_emul_unplug=never" on the command line.

I believe I should have the driver, the test guest I am using is just
an Ubuntu 11.10 desktop live cd.  Which command line would I put
"xen_emul_unplug=never"? the guest's kernel boot line?  Also I was
somewhat surprised to see xen messages in the guest's kernel dmesg
given that it is running HVM, unless it has somehow detected it is
running on top of Xen.  If there is an alternative vif line I should
use I'm happy to change it.

Thanks-
David

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