Re: BIND problem with hundreds of IP aliases under Linux 2.0.33

Philip Blundell (
Fri, 23 Jan 1998 10:02:57 +0000

>If it could be confirmed that this is a kernel problem, I'd be very
>happy. If it could be confirmed that this is a BIND problem, I'd also
>be pretty happy. :)
>To be exact, there are 243 IP aliases on this box. BIND only refuses
>to start up if there are more than 100 or so.
>Here's a bit of the relevant strace:
>1188 fcntl(19, F_DUPFD, 20) = -1 EMFILE (Too many open files)

You've run out of file descriptors. It's a kernel problem, not a BIND one.

>1188 socket(PF_INET, SOCK_STREAM, IPPROTO_IP) = -1 EINVAL (Invalid argument)

This is almost certainly the same problem, except that the reported errno is