Question about Cache Size

[james]

Hey everyone,

In trying to diagnose why the varnish child dies at seemingly random 
times, I started varnish with -d -d and waited for a crash. This is what 
I got in the output:

Child said (2, 16094): <<Assert error in STV_alloc(), stevedore.c line 70:
  Condition((st) != NULL) not true.
  errno = 107 (Transport endpoint is not connected)
 >>
Cache child died pid=16094 status=0x6
Clean child
Child cleaned
start child pid 18886
Child said (2, 18886): <<Child starts
managed to mmap 565284864 bytes of 565284864
Ready
CLI ready
 >>


Any idea what this might be an indication of? Also, when starting 
varnish from the command line (and not an init.d script), I noticed this 
output which I haven't noticed before:

[root at www ~]# /usr/local/sbin/varnishd -a <ipaddr>:8000 -T <ipaddr>:8080 
-s file,/var/cache/varnish/,10G -p group=nobody -p thread_pool_max=1500 
-p thread_pools=5 -p listen_depth=512 -p client_http11=on -p 
backend_http11=on -p default_ttl=36000 -P /var/run/varnishd.pid -f 
/etc/varnish.conf
WARNING: storage file size reduced to 1342177280 due to system limitations
WARNING: storage file size reduced to 599837900 (80% of available disk 
space)
file /var/cache/varnish//varnish.z8brik (unlinked) size 599834624 bytes 
(146444 fs-blocks, 146444 pages)
Using old SHMFILE


However, 80% of my available disk space is not 599834624 bytes ( 572 
Mbytes ).

Filesystem            Size  Used Avail Use% Mounted on
/dev/sda3             131G   16G  109G  13% /
/dev/sda1              99M   15M   79M  16% /boot
tmpfs                 1.8G     0  1.8G   0% /dev/shm

Any idea if these things are related? Currently running varnishd-1.2

Thanks!

-- james