[Varnish] #1386: 4.0tp1 crashes around every 6 hours

[Varnish]

#1386: 4.0tp1 crashes around every 6 hours
--------------------+------------------------------
 Reporter:  scoof   |       Owner:
     Type:  defect  |      Status:  new
 Priority:  normal  |   Milestone:  Varnish 4.0-TP1
Component:  build   |     Version:  unknown
 Severity:  normal  |  Resolution:
 Keywords:          |
--------------------+------------------------------

Comment (by scoof):

 {{{
 Assert error in VFP_Fetch_Body(), cache/cache_fetch_proc.c line 221:
   Condition(!VTAILQ_EMPTY(&bo->fetch_obj->store)) not true.
 thread = (cache-worker)
 ident = Linux,2.6.32-5-amd64,x86_64,-smalloc,-smalloc,-hcritbit,epoll
 Backtrace:
   0x4393f0: pan_backtrace+0x19
   0x439700: pan_ic+0x1e8
   0x426751: VFP_Fetch_Body+0x331
   0x424776: vbf_stp_fetch+0xcb8
   0x425533: vbf_fetch_thread+0x2f3
   0x43ae92: Pool_Work_Thread+0x429
   0x453c84: wrk_thread_real+0x143
   0x453dad: WRK_thread+0x27
   0x7fc78a5bc8ba: /lib/libpthread.so.0(+0x68ba) [0x7fc78a5bc8ba]
   0x7fc78a32402d: /lib/libc.so.6(clone+0x6d) [0x7fc78a32402d]
   busyobj = 0x7fc6f5fe6020 {
     ws = 0x7fc6f5fe60f8 {
       id = "bo",
       {s,f,r,e} = {0x7fc6f5fe8008,+1600,(nil),+57368},
     },
     is_gzip
     do_stream
     bodystatus = 2 (chunked),
     },
     http[bereq] = {
       ws = 0x7fc6f5fe60f8[bo]
         "",
         "",
         "",
         "",
         "",
         "",
         "",
         "",
         "",
         "",
         "",
         "X-Varnish: 1723559",
     },
     http[beresp] = {
       ws = 0x7fc6f5fe60f8[bo]
         "HTTP/1.1",
         "200",
         "OK",
         "Cache-Control: private",
         "Transfer-Encoding: chunked",
         "Content-Type: text/html; charset=utf-8",
         "Content-Encoding: gzip",
         "Server: Microsoft-IIS/8.0",
         "X-AspNet-Version: 4.0.30319",
         "X-Powered-By: ASP.NET",
         "X-XXXXXXXXXX: XXXXXXXXXXXX",
         "Date: Fri, 13 Dec 2013 18:02:40 GMT",
         "x-url: /XXXXXXXXX/?gclid=XXXXXX",
         "x-host: www.XXXXXXXX",
         "Vary: Accept-Encoding, Accept-Encoding",
     },
     ws = 0x7fc6f5fe6290 {
       id = "obj",
       {s,f,r,e} = {0x7fc754d8ae10,+400,(nil),+408},
     },
   }
 }}}

-- 
Ticket URL: <https://www.varnish-cache.org/trac/ticket/1386#comment:4>
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