[Varnish] #1607: Assert error in SES_ScheduleReq(), cache/cache_session.c line 229

[Varnish]

#1607: Assert error in SES_ScheduleReq(), cache/cache_session.c line 229
----------------------+--------------------
 Reporter:  coredump  |       Owner:  phk
     Type:  defect    |      Status:  new
 Priority:  normal    |   Milestone:
Component:  varnishd  |     Version:  4.0.2
 Severity:  normal    |  Resolution:
 Keywords:            |
----------------------+--------------------

Comment (by eitch):

 I'm also getting the same panic messages several times today (and only
 today, even if I was using 4.0.2 since last week and 4.0.1 since a month
 ago).

 VMODs: director, std
 System: Debian GNU/Linux 7.6 (wheezy)

 {{{
 Last panic at: Thu, 16 Oct 2014 14:35:44 GMT
 Assert error in SES_ScheduleReq(), cache/cache_session.c line 229:
   Condition((sp)->magic == 0x2c2f9c5a) not true.
 thread = (cache-worker)
 ident = Linux,3.2.0-4-amd64,x86_64,-sfile,-smalloc,-hclassic,epoll
 Backtrace:
   0x434225: /usr/sbin/varnishd() [0x434225]
   0x43cf3d: /usr/sbin/varnishd(SES_ScheduleReq+0x16d) [0x43cf3d]
   0x4263f8: /usr/sbin/varnishd() [0x4263f8]
   0x427a3a: /usr/sbin/varnishd(HSH_DerefObjCore+0xba) [0x427a3a]
   0x427d74: /usr/sbin/varnishd(HSH_DerefObj+0x34) [0x427d74]
   0x4382d5: /usr/sbin/varnishd() [0x4382d5]
   0x4387d1: /usr/sbin/varnishd(CNT_Request+0x111) [0x4387d1]
   0x42e60b: /usr/sbin/varnishd(HTTP1_Session+0x77b) [0x42e60b]
   0x43c848: /usr/sbin/varnishd() [0x43c848]
   0x4370e3: /usr/sbin/varnishd(Pool_Work_Thread+0x373) [0x4370e3]
 req = 0x7f2e2d0ea020 {
   sp = 0x7f571709d120, vxid = 1074790429,  step = R_STP_DELIVER,
   req_body = R_BODY_NONE,
   err_code = 200, err_reason = (null),
   restarts = 0, esi_level = 0
   sp = 0x7f571709d120 {
     fd = 123, vxid = 1048591,
     client = 201.6.6.196 43675,
     step = S_STP_WORKING,
   },
   worker = 0x7f5724c0ec50 {
     ws = 0x7f5724c0ee68 {
       id = "wrk",
       {s,f,r,e} = {0x7f5724c0e450,0x7f5724c0e450,(nil),+2048},
     },
   VCL::method = 0x0,
   VCL::return = restart,
   },
   ws = 0x7f2e2d0ea1b8 {
     id = "req",
     {s,f,r,e} = {0x7f2e2d0ec010,+1936,(nil),+57360},
   },
   http[req] = {
     ws = 0x7f2e2d0ea1b8[req]
       "GET",
       "/some_url?page=7",
       "HTTP/1.1",
       "Accept: text/html, application/xhtml+xml, */*",
       "Referer: http://some_url?page=6",
       "Accept-Language: pt-BR",
       "User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1;
 Trident/5.0)",
       "TE:  chunked;q=1.0",
       "Connection: TE",
       "Host: some_domain",
       "Pragma: no-cache",
       "Cache-Control: no-cache, max-age=0",
       "Connection: keep-alive",
       "X-Forwarded-For: 186.204.38.4, 201.6.6.196, 201.6.6.196",
       "Accept-Encoding: gzip",
   },
   http[resp] = {
     ws = 0x7f2e2d0ea1b8[req]
       "HTTP/1.1",
       "200",
       "OK",
       "Content-Type: text/html; charset=utf-8",
       "ETag: "-897655702"",
       "Vary: Accept-Encoding",
       "Content-Encoding: gzip",
       "Date: Thu, 16 Oct 2014 14:35:43 GMT",
       "X-Varnish: 1048605",
       "Age: 0",
       "Via: 1.1 varnish-v4",
   },
   vcl = {
     srcname = {
       "input",
       "Builtin",
     },
   },
 },
 }}}

-- 
Ticket URL: <https://www.varnish-cache.org/trac/ticket/1607#comment:10>
Varnish <https://varnish-cache.org/>
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