[MirageOS-devel] Continuous DHCP discovery

[Vittorio Cozzolino <vittorio.cozzolino@xxxxxxxxx>]

Hello,
I tried to run the http-fetch example from the mirage-skeleton package 
as a XEN Unikernel but without success. Apparently, after getting the IP 
from the DHCP server, MirageOS loops sending DHCP requests. Here comes 
my output (as you can see, I got the IP address but then it starts again 
with the DHCP discovery):

Parsing config from http-fetch.xl
Xen Minimal OS!
Initialising console ... done.
getenv(OCAMLRUNPARAM) -> null
getenv(CAMLRUNPARAM) -> null
getenv(PATH) -> null
Unsupported function lseek called in Mini-OS kernel
Unsupported function lseek called in Mini-OS kernel
Unsupported function lseek called in Mini-OS kernel
getenv(OCAMLRUNPARAM) -> null
getenv(CAMLRUNPARAM) -> null
getenv(TMPDIR) -> null
getenv(TEMP) -> null
Netif: add resume hook
Netif.connect 0
Netfront.create: id=0 domid=0
 sg:true gso_tcpv4:true rx_copy:true rx_flip:false smart_poll:false
MAC: 00:16:3e:14:3e:1c
Attempt to open(/dev/urandom)!
Unsupported function getpid called in Mini-OS kernel
Unsupported function getppid called in Mini-OS kernel
Manager: connect
Manager: configuring
DHCP: start discovery

Sending DHCP broadcast (length 552)
DHCP response:
input ciaddr 0.0.0.0 yiaddr 131.159.24.177
siaddr 131.159.24.167 giaddr 0.0.0.0
chaddr 00163e143e1c00000000000000000000 sname  file
DHCP: offer received: 131.159.24.177
DHCP options: Offer : DNS servers(131.159.24.167), 
Routers(131.159.24.167), Broadcast(131.159.25.255), Subnet 
mask(255.255.254.0), Unknown(59[4]), Unknown(58[4]), Lease time(3600), 
Server identifer(131.159.24.167)
Sending DHCP broadcast (length 552)
DHCP response:
input ciaddr 0.0.0.0 yiaddr 131.159.24.177
siaddr 131.159.24.167 giaddr 0.0.0.0
chaddr 00163e143e1c00000000000000000000 sname  file
DHCP: offer received
                    IPv4: 131.159.24.177
                                        Netmask: 255.255.254.0
Gateways: [131.159.24.167]
ARP: sending gratuitous from 131.159.24.177
DHCP offer received and bound to 131.159.24.177 nm 255.255.254.0 gw 
[131.159.24.167]
Manager: configuration done
Attempt to open(/dev/urandom)!
Unsupported function getpid called in Mini-OS kernel
Unsupported function getppid called in Mini-OS kernel
Manager: connect
Manager: configuring
DHCP: start discovery

Sending DHCP broadcast (length 552)
DHCP response:
input ciaddr 0.0.0.0 yiaddr 131.159.24.177
siaddr 131.159.24.167 giaddr 0.0.0.0
chaddr 00163e143e1c00000000000000000000 sname  file
DHCP input: lease already held
ARP responding to: who-has 131.159.24.177?
DHCP: start discovery

Sending DHCP broadcast (length 552)
DHCP response:
input ciaddr 0.0.0.0 yiaddr 131.159.24.177
siaddr 131.159.24.167 giaddr 0.0.0.0
chaddr 00163e143e1c00000000000000000000 sname  file
DHCP input: lease already held
DHCP: start discovery

Sending DHCP broadcast (length 552)
DHCP response:
input ciaddr 0.0.0.0 yiaddr 131.159.24.177
siaddr 131.159.24.167 giaddr 0.0.0.0
chaddr 00163e143e1c00000000000000000000 sname  file
DHCP input: lease already held
DHCP: start discovery

Sending DHCP broadcast (length 552)
DHCP response:
input ciaddr 0.0.0.0 yiaddr 131.159.24.177
siaddr 131.159.24.167 giaddr 0.0.0.0
chaddr 00163e143e1c00000000000000000000 sname  file
DHCP input: lease already held

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