> -----Original Message----- > From: Thomas Graf [mailto:tgraf@xxxxxxx] > Sent: Friday, December 01, 2006 2:42 PM > To: Tim Wright > Cc: David Miller; shemminger@xxxxxxxx; linux-net@xxxxxxxxxxxxxxx > Subject: Re: Arp undo issue in all 2.4 and 2.6 kernel releases > > * Tim Wright <timw@xxxxxxxxxxxxx> 2006-12-01 14:27 > > > [root@nfstest root]# strace -e ioctl ifconfig eth0:5 > > > 10.12.0.22 netmask 255.255.0.0 up > > > ioctl(4, 0x8916, 0xbfb15440) = 0 > > > ioctl(4, 0x8913, 0xbfb15370) = 0 > > > ioctl(4, 0x8914, 0xbfb15370) = 0 > > > ioctl(4, 0x891c, 0xbfb15440) = 0 > > > ioctl(4, 0x8913, 0xbfb15370) = 0 > > > ioctl(4, 0x8914, 0xbfb15370) = 0 > > > [root@nfstest root]# strace -e ioctl ifconfig eth0:6 > > > 10.12.0.22 netmask 255.255.0.0 up > > > ioctl(4, 0x8916, 0xbfc835b0) = 0 > > > ioctl(4, 0x8913, 0xbfc834e0) = 0 > > > ioctl(4, 0x8914, 0xbfc834e0) = 0 > > > ioctl(4, 0x891c, 0xbfc835b0) = 0 > > > ioctl(4, 0x8913, 0xbfc834e0) = 0 > > > ioctl(4, 0x8914, 0xbfc834e0) = -1 EADDRNOTAVAIL (Cannot > > > assign requested address) > > > SIOCSIFFLAGS: Cannot assign requested address > > > > > > I am grabbing the ifconfig source to try to see exactly what they > > > are doing. > > > > Very odd. > > > > That's SIOCSIFADDR, SIOCGIFFLAGS, SIOCSIFFLAGS followed by > > SIOCSIFNETMASK, SIOCGIFFLAGS, SIOCSIFFLAGS. > > Apparently, the set address succeeds, and things only blow > up when it > > attempts to set the interface flags for the second time. > > The preferred source address for local routes should always > equal the local address of the interface address it is based > on therefore the output you listed in a previous post seems > indeed odd. > > I'm off for the weekend but I'll have a look at it when I get > back on monday if you didn't manage to solve it by then. > Thanks Thomas, I'll keep plugging away at it :-) Tim - 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
