Re: [Qemu-devel] Is anyone able to load a web page from a guest operating system?

From: Programmingkid <programmingkidx@gmail.com>
To: Thomas Huth <thuth@redhat.com>
Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com>,
	qemu-devel qemu-devel <qemu-devel@nongnu.org>,
	Samuel Thibault <samuel.thibault@ens-lyon.org>
Subject: Re: [Qemu-devel] Is anyone able to load a web page from a guest operating system?
Date: Tue, 26 Apr 2016 16:19:22 -0400	[thread overview]
Message-ID: <7516025E-F08C-4DD4-B1D1-E822C96B7B0A@gmail.com> (raw)
In-Reply-To: <571FCBBF.8020405@redhat.com>

On Apr 26, 2016, at 4:12 PM, Thomas Huth wrote:

> On 26.04.2016 21:25, Programmingkid wrote:
>> 
>> On Apr 26, 2016, at 3:00 PM, Dr. David Alan Gilbert wrote:
>> 
>>> * Programmingkid (programmingkidx@gmail.com) wrote:
>>>> My three guest operating systems can't load a web page. I think this is a bug with QEMU. Is there anyone who has the latest revision of QEMU that can access the web from a guest? Or are you experiencing the same problem?
>>> 
>>> Works here.
>> So you are using a very recent version of QEMU? Maybe something that was pulled in the last day or so?
>> 
>>> Now - how about some basic debug!
>>> Does your guest see a network card?
>> yes
>> 
>>> Does DNS work?
>> Doesn't look like it. If I use just an ip address it still doesn't work.
>> 
>>> Does ping work?
>> I can ping the virtual router at 10.0.2.2. Any other ip address fails. 
> 
> That's normal for user-mode / slirp networking. You can't ping external
> hosts with this mode.
> 
>>> Does a telnet/ssh from the guest work?
>> telnet www.google.com 80     failed
>> Didn't have an address to use ssh on.
>> 
>>> What's the qemu command line you use?
>> qemu-system-ppc -hda <hd1> -hdb <hd2> -m 512 -boot c -M mac99 -netdev user,id=mynet0 -device usb-net,netdev=mynet0 -cpu 750 -prom-env boot-args=-v -device ich9-usb-uhci1,id=newusb -device usb-audio,bus=newusb.0 
>> 
>> and
>> 
>> qemu-system-ppc -hda <hd1> -hdb <hd2> -m 512 -boot c -M mac99 -netdev user,id=mynet0 -device rtl8139,netdev=mynet0 -cpu 750 -prom-env boot-args=-v -device ich9-usb-uhci1,id=newusb -device usb-audio,bus=newusb.0 
> 
> Ok, that means you're using user-mode / slirp networking.
> I just tried it with a pseries guest, and it seems to be working fine
> for me with the current git version of QEMU (f419a626c76bcb266).

So you are saying you can view web pages on your guest?

> 
> Now, what kind of host do you use? Mac OS X? 
Yes. Mac OS 10.6.

> Also can you determine a revision when it was still working fine for
> you? (and then maybe even bisect the problem?)

I will see what I can find out.