[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: tuntap apparently misbehaving on osx



The partial write on the tap interface shouldnt ever happen though (as each 
write is one full frame). Heading into conference, will look at this when 
there...

Anil


On 18 Sep 2011, at 08:07, Dave Scott <Dave.Scott@xxxxxxxxxxxxx> wrote:

> I don't know if it applies to the dns stuff but to make the http server work 
> under Xen I had to add a line
> 
> configure interface 'DHCP
> 
> In the callback in slides/server.ml
> 
> In the case of DHCP there were 2 other glitches which I've sent Anil some 
> pull requests for. I guess you want to set a static IP tho ( instead of the 
> 0.0.0.0 ) - I'm sure I saw a config option for that in there somewhere.
> 
> -- 
> Dave Scott
> 
> On Sep 17, 2011, at 11:58 PM, "Richard Mortier" 
> <Richard.Mortier@xxxxxxxxxxxxxxxx> wrote:
> 
>> i'm porting the dns perf suite over to the new regress/ setup.  with the 
>> unix-socket build, i don't seem to be able to contact it at all - and 
>> netstat doesn't show anything listening on 53/UDP as i'd expect.  with 
>> unix-direct then i see the usual startup but then start seeing many failed 
>> writes:
>> 
>> : mort@greyjay:net$; sudo _build/unix-direct/deens.bin 
>> Password:
>> Main: startup
>> [00000] 2011/08/17T22:06:39Z  info                Deens: starting server, 
>> port 53 
>> Manager: create
>> opendev: /dev/tap0
>> Netif: plug tap0
>> Manager: plug tap0
>> Manager: plug done, to listener
>> Manager: init done
>> Devices: starting provider Unix.Blkif
>> Main: entering runloop
>> ARP: who-has 10.0.0.1?
>> IPv4: dropping proto 2
>> IPv4: dropping proto 2
>> IPv4: dropping proto 2
>> ARP: transmitting probe -> 10.0.0.1
>> EXN: Failure("tap: partial write")
>> ARP: updating 10.0.0.1 -> 1e:81:8c:9d:18:0c
>> EXN: Failure("tap: partial write")
>> EXN: Failure("tap: partial write")
>> 
>> via "tcpdump -i tap0", pinging 10.0.0.1 from a terminal gets me nothing; 
>> pinging 10.0.0.255 shows echo requests from 10.0.0.1 -> 10.0.0.255, and 
>> responses from 0.0.0.0 -> 10.0.0.1 which seems odd.
>> 
>> similar behaviour if i build the tutorial slideset with unix-direct, 
>> although with unix-socket it works just fine.
>> 
>> so- is this a broken setup on my part, or something that's become broken due 
>> to eg., new device model?  (or am i just missing something really obvious?!)
>> 
>> -- 
>> Cheers,
>> 
>> R.
>> 
>> This message and any attachment are intended solely for the addressee and 
>> may contain confidential information. If you have received this message in 
>> error, please send it back to me, and immediately delete it.   Please do not 
>> use, copy or disclose the information contained in this message or in any 
>> attachment.  Any views or opinions expressed by the author of this email do 
>> not necessarily reflect the views of the University of Nottingham.
>> 
>> This message has been checked for viruses but the contents of an attachment
>> may still contain software viruses which could damage your computer system:
>> you are advised to perform your own checks. Email communications with the
>> University of Nottingham may be monitored as permitted by UK legislation.
> 



 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.