create worker thread failed 12 Cannot allocate memory

Wed Jul 4 18:31:45 CEST 2007

Helo,

varnish was stopped with this error:

0 CLI            Rd ping
    0 CLI            Wr 0 200 PONG 1183565922
    0 Debug          "Create worker thread failed 12 Cannot allocate memory"
    0 CLI            Rd ping
    0 CLI            Wr 0 200 PONG 1183565925
    0 Debug          "Create worker thread failed 12 Cannot allocate memory"
    0 Debug          "Create worker thread failed 12 Cannot allocate memory"
    0 Debug          "Create worker thread failed 12 Cannot allocate memory"
    0 Debug          "Create worker thread failed 12 Cannot allocate memory"
    0 CLI            Rd ping
    0 CLI            Wr 0 200 PONG 1183565928

any suggestions ?