LinuxQuestions.org - Can't start named

Hello there,
I'm working on a OpenVZ virtual server with ubuntu OS. When I want to start bind9, it fails.
The error log(syslog) is:

Code:

Jun 30 20:14:11 ip-209-236-117-74 named[7507]: starting BIND 9.7.3 -u bind

Jun 30 20:14:11 ip-209-236-117-74 named[7507]: built with '--prefix=/usr' '--mandir=/usr/share/man' '--infodir=/usr/share/info' '--sysconfdir=/etc/bind' '--localstatedir=/var' '--enable-threads' '--enable-largefile' '--with-libtool' '--enable-shared' '--enable-static' '--with-openssl=/usr' '--with-gssapi=/usr' '--with-gnu-ld' '--with-dlz-postgres=no' '--with-dlz-mysql=no' '--with-dlz-bdb=yes' '--with-dlz-filesystem=yes' '--with-dlz-ldap=yes' '--with-dlz-stub=yes' '--with-geoip=/usr' '--enable-ipv6' 'CFLAGS=-fno-strict-aliasing -DDIG_SIGCHASE -O2' 'LDFLAGS=-Wl,-Bsymbolic-functions' 'CPPFLAGS='

Jun 30 20:14:11 ip-209-236-117-74 named[7507]: adjusted limit on open files from 1024 to 1048576

Jun 30 20:14:11 ip-209-236-117-74 named[7507]: found 8 CPUs, using 8 worker threads

Jun 30 20:14:11 ip-209-236-117-74 named[7507]: timer.c:931: unexpected error:

Jun 30 20:14:11 ip-209-236-117-74 named[7507]: isc_thread_create() failed

Jun 30 20:14:11 ip-209-236-117-74 named[7507]: ./main.c:581: unexpected error:

Jun 30 20:14:11 ip-209-236-117-74 named[7507]: isc_timermgr_create() failed: unexpected error

Jun 30 20:14:11 ip-209-236-117-74 named[7507]: create_managers() failed: unexpected error

Jun 30 20:14:11 ip-209-236-117-74 named[7507]: exiting (due to early fatal error)

I can't undestand anything from these errors. What's wrong?