Condition(w->wlp < w->wle) not true

[Thiago Figueiro]

Is someone able to confirm this Varnish 2.1.5 panic is due to insufficient workspace memory?

I recently increased shm_reclen and sess_workspace, following Kristian's advice on https://www.varnish-cache.org/trac/ticket/1055.

Thank you

Current values:
VARNISH_VCL_CONF=/etc/varnish/default.vcl
#VARNISH_LISTEN_ADDRESS=
#VARNISH_LISTEN_PORT=80
VARNISH_ADMIN_LISTEN_ADDRESS=127.0.0.1
VARNISH_ADMIN_LISTEN_PORT=6082
VARNISH_MIN_THREADS=150
VARNISH_MAX_THREADS=3000
VARNISH_THREAD_TIMEOUT=120
VARNISH_STORAGE_FILE=/var/lib/varnish/varnish_storage.bin
VARNISH_STORAGE_SIZE=35G
VARNISH_STORAGE="file,${VARNISH_STORAGE_FILE},${VARNISH_STORAGE_SIZE}"
VARNISH_TTL=120

# DAEMON_OPTS is used by the init script.  If you add or remove options, make
# sure you update this section, too.
#             Primes (10% of n_object): -h 91193, 319993, 500009, 999331, 1686049, 2097593
DAEMON_OPTS="-f ${VARNISH_VCL_CONF} \
             -T ${VARNISH_ADMIN_LISTEN_ADDRESS}:${VARNISH_ADMIN_LISTEN_PORT} \
             -t ${VARNISH_TTL} \
             -p thread_pools=6 \
             -w ${VARNISH_MIN_THREADS},${VARNISH_MAX_THREADS},${VARNISH_THREAD_TIMEOUT} \
             -u varnish -g varnish \
             -h classic,91193 \
             -s ${VARNISH_STORAGE} \
             -p listen_depth=4096 \
             -p session_linger=50/100/150 \
             -p sess_workspace=131072 \
             -p shm_reclen=16384 \
             -p lru_interval=60"


Error in syslog:

2012-03-05T21:06:15.656486+11:00 aubdc-rp01 varnishd[7365]: Child (22302) Panic message: Assert error in WSLR(), shmlog.c line 236:#012  Condition(w->wlp < w->wle) not true.#012thread = (cache-worker)#012ident = Linux,2.6.32-220.4.2.el6.x86_64,x86_64,-sfile,-hclassic,epoll#012Backtrace:#012  0x425058: /usr/sbin/varnishd() [0x425058]#012  0x43a6d5: /usr/sbin/varnishd(WSLR+0x1c5) [0x43a6d5]#012  0x422299: /usr/sbin/varnishd() [0x422299]#012  0x4224bd: /usr/sbin/varnishd(http_DissectRequest+0xed) [0x4224bd]#012  0x414710: /usr/sbin/varnishd(CNT_Session+0x660) [0x414710]#012  0x426808: /usr/sbin/varnishd() [0x426808]#012  0x426bdb: /usr/sbin/varnishd() [0x426bdb]#012  0x7f51a1f3b7f1: /lib64/libpthread.so.0(+0x77f1) [0x7f51a1f3b7f1]#012  0x7f51a17db92d: /lib64/libc.so.6(clone+0x6d) [0x7f51a17db92d]#012sp = 0x7f4819171008 {#012  fd = 41, id = 41, xid = 179601385,#012  client = 208.80.194.30 51469,#012  step = STP_START,#012  handling = deliver,#012  restarts = 0, esis = 0#012  ws = 0x7f4819171080 { #012    id = "sess",#012    {s,f,r,e} = {0x7f4819171cd8,+15232,(nil),+131072},#012  },#012  http[req] = {#012    ws = 0x7f4819171080[sess]#012      "GET",#012      "/gateway/",#012      "HTTP/1.0",#012      "Host: westfield.com",#012      "User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.1.4322; .NET CLR 1.0.3705; ImageShack Toolbar 3.0.6)",#012  },#012  worker = 0x7f47495edbd0 {#012    ws = 0x7f47495edd50 { #012      id = "wrk",#012      {s,f,r,e} = {0x7f47495cbb70,0x7f47495cbb70,(nil),+131072},#012    },#012    },#012    vcl = {#012      srcname = {#012        "input",#012        "Default",#012        "/etc/varnish/backend_centre_refresh.vcl",#012        "/etc/varnish/backend_corporate.vcl",#012        "/etc/varnish/backend_centre_rails.vcl",#012        "/etc/varnish/backend_acacia.vcl",#012        "/etc/varnish/backend_contentstore.vcl",#012        "/etc/varnish/backend_stratfordcity.vcl",#012        "/etc/varnish/backend_redirects.vcl",#012        "/etc/varnish/select_backend.vcl",#012        "/etc/varnish/canonical_we


____________________________
Thiago Figueiró
Technical Operations Manager
Digital Business
P +61 (0)2 9358 7123
F +61 (0)2 9028 8500



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