]] "Bjoern A. Zeeb" Hi, | not much info yet on when, why or how it happens. It's varnish 3-pre | from 2011-02-21. If you could compile varnish with debugging symbols and get us a complete backtrace that'd be useful. Regards, -- Tollef Fog Heen Varnish Software t: +47 21 98 92 64