[poky] QEMU networking

Gary Thomas gary at mlbassoc.com
Thu May 19 07:48:13 PDT 2011


On 05/19/2011 08:06 AM, Scott Garman wrote:
> On 05/12/2011 09:28 AM, Gary Thomas wrote:
>> On 05/12/2011 10:23 AM, Mark Hatle wrote:
>>> I had the same problem on my Fedora host. It turned out that the
>>> iptables rules
>>> were prohibiting the forwarding of packets from one network to
>>> another, causing
>>> the route to the internet to black hole.
>>>
>>> Check that you don't have any IP tables that are preventing the
>>> routing from
>>> working.
>>
>> I don't have any tables that would cause this on my box other than what is
>> set up by runqemu (it adds some NAT/MASQUERADE rules). I have the same
>> behaviour
>> on Fedora and Ubuntu hosts.
>>
>> That said, it's the configuration on the target that's causing problems.
>> I don't know what's getting in there and changing the routing periodically.
>
> Hi Gary,
>
> Did you ever find out what was causing this? I'd like to know for reference.

No, I only saw it on QEMU and not a native build.  I've not had
time to look at it since - using the native build helped me diagnose
the problem I was checking, so I didn't need QEMU any more.

-- 
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Gary Thomas                 |  Consulting for the
MLB Associates              |    Embedded world
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