SmartOS zlogin Resource temporarily unavailable

Unable to perform zlogin to a SmartOS zone

[root@gz ~]# zlogin 461026ec-a298-4172-ba14-ca392b13e471
[Connected to zone '461026ec-a298-4172-ba14-ca392b13e471' pts/6]
malloc: Resource temporarily unavailable
ld.so.1: login: fatal: /lib/libc.so.1: Resource temporarily unavailable

[Connection to zone '461026ec-a298-4172-ba14-ca392b13e471' pts/6 closed]

Dmesg says

[root@gz ~]# dmesg

2015-03-13T08:56:29.246047+00:00 gz tmpfs: [ID 518458 kern.warning] WARNING: /zones/461026ec-a298-4172-ba14-ca392b13e471/root/etc/svc/volatile: File system full, swap space limit exceeded
2015-03-13T08:56:51.747916+00:00 gz genunix: [ID 470503 kern.warning] WARNING: Sorry, no swap space to grow stack for pid 14479 (zlogin)

Solution

[root@hcn4 ~]# vmadm update 461026ec-a298-4172-ba14-ca392b13e471 max_swap=4096