Re: mirage-www crash on xen4.2.1

[Anil Madhavapeddy <anil@xxxxxxxxxx>]

Hi Yiming,

Looks like the network rings aren't initialised, so the VM is getting
garbage from netfront.  Are you using the latest git versions of the
libraries from the mirage/opam-repo-dev mirror? 

-anil

On Mon, Jan 21, 2013 at 09:43:54PM -0000, Yiming Zhang wrote:
> Hi Anil: I already successfully ran the "hello world" example on
> 4.00.1+mirage-xen. After "$ opam install mirage-net", now I can successfully
> compile "mirage-www" in 4.00.1+mirage-xen. But it seems not to generate any
> runnable image for xen. 
> 
> So, I add a PostBuildCommand to _oasis so that the following will execute: 
> "$ mir-build -b xen-native -o main.xen main.nobj.o". 
> 
> The compilation is OK. However, when I start a domU by "$ xl create -c main.
> cfg" (copied from mirage-skeleton, and we use an stp-enabled bridge), I got
> errors (with messages shown below). Even worse this domU cannot be competed
> killed (a dom named "null" remains). 
> 
> ***************************************************
> ENT: Breaking up is easy to do (with OPAM)
> ENT: Building a "xenstore stub domain" with Mirage
> ENT: Connected Cloud Control: OpenFlow in Mirage
> ENT: An Outing to CUFP 2011
> ENT: A Spring Wiki Cleaning
> ENT: Self-hosting Mirage website
> ENT: Installation
> ENT: OCaml Installation
> ENT: Getting Started with Lwt threads
> ENT: Portable Regular Expressions
> ENT: Delimited Continuations vs Lwt for Threads
> ENT: Running Mirage Xen kernels
> ENT: Tech Talks
> ENT: Papers and Related Work
> ENT: DNS Performance Tests
> ENT: Hello Mirage World
> ENT: Source code layout
> ENT: Developing the Mirage networking stack on UNIX
> ENT: COW: OCaml on the Web
> ENT: Introduction to HTCaML
> Devices: [templates] sleeping
> ...... (above line showed many times)
> Devices: [templates] waking
> ...... (above line showed many times)
> Devices: [static] provider start
> Devices: [static:static] provider plug
> Devices: [static:static] waking waiters
> Devices: [static] waking
> Manager: create
> Manager: init done
> Devices: [Xen.Blkif] provider start
> Netfront.create: id=0 domid=0
> 
> MAC: 00:16:3e:17:2c:16
>  sg:true gso_tcpv4:true rx_copy:true rx_flip:false smart_poll:false
> Manager: plug 0
> RX error 0
> RX: ack id wakener not found 
> ......(endless loop)
> ************************************************************
> 
> Thanks!
> Yiming
> 
> 
> -----????????-----
> ??????: Yiming Zhang [mailto:sdiris@xxxxxxxxx] 
> ????????: 2013??1??3?? 12:27
> ??????: 'Anil Madhavapeddy'
> ????: ????: oasis setup error for xen
> 
> Thanks! I will try again
> 
> Yiming
> 
> 
> 
> 

-- 
Anil Madhavapeddy                                 http://anil.recoil.org