On Thu, 7 Jun 2007 17:46:09 -0400 jfannin@xxxxxxxxx (Joseph Fannin) wrote: > On Wed, Jun 06, 2007 at 10:03:13PM -0700, Andrew Morton wrote: > > > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.22-rc4/2.6.22-rc4-mm2/ > > I'm not able to bring an ethernet interface down and back up again > with this if avahi-autoipd is installed on my Ubuntu boxes. I've seen > it on three different computers with different NIC hardware. > > I've worked out an easy way to reproduce it without > avahi-autoipd. Starting with eth0 up (address assigned by DHCP): > > # ifdown eth0 > < dhclient makes the normal noise about releasing the address > > # ip addr add 169.254.255.67/16 brd 169.254.255.255 label eth0:avahi scope link dev eth0 > # ip addr del 169.154.255.67/16 brd 169.254.255.255 label eth0:avahi scope link dev eth0 > # ifup eth0 > SIOCSIFADDR: No buffer space available < -- first sign of trouble HERE > < dhclient copyright boilerplate > > Listening on LPF/eth0/<MAC addr> > Sending on LPF/eth0/<MAC addr> > Sending on Socket/fallback > DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 5 > DHCPOFFER from < DHCP server > > DHCPREQUEST on eth0 to 255.255.255.255 port 67 > DHCPACK from < DHCP server > > SIOCSIFADDR: No buffer space available > SIOCSIFNETMASK: Cannot assign requested address > SIOCSIFBRDADDR: Cannot assign requested address > SIOCADDRTL No such process > bound to < IP address > -- renewal in XXXX seconds > # > > At this point, the interface is up, but has no address assigned. > Manually assigning one with ifconfig fails: > > # ifconfig eth0 netmask 255.255.255.0 172.16.0.1 > SIOCSIFNETMASK: Cannot assign requested address > SIOCSIFADDR: No buffer space available > # > > ... and a reboot is the only way I've been able to get the interface > to work again. > > The last kernels I tried were 2.6.22-rc3 and *I think* > 2.6.22-rc1-mm1, neither of which had this problem. I will test > 2.6.22-rc4 and 2.6.22-rc3-mm1 later, but I'm out of time today. > > I've attached my .config . Yep, thanks - Miles has reported the same thing. - To unsubscribe from this list: send the line "unsubscribe linux-net" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html