[Varnish] #1637: Assert error in VFP_Fetch_Body()

[Varnish]

#1637: Assert error in VFP_Fetch_Body()
--------------------------+----------------------
 Reporter:  llavaud       |       Type:  defect
   Status:  new           |   Priority:  normal
Milestone:                |  Component:  varnishd
  Version:  4.0.2         |   Severity:  major
 Keywords:  Assert error  |
--------------------------+----------------------
 Hello,

 I am using varnish 4.0.2 on a debian wheezy server.

 The varnish child regularly died with the following error log:

 Nov 27 16:03:26 webcache02 varnishd[27811]: Child (27830) Panic
 message:#012Assert error in VFP_Fetch_Body(), cache/cache_fetch_proc.c
 line 216:#012  Condition((bo->failed) == 0) not true.#012thread = (cache-
 worker)#012ident =
 Linux,3.2.0-4-amd64,x86_64,-sfile,-smalloc,-hcritbit,epoll#012Backtrace:#012
 0x4347c5: /usr/sbin/varnishd() [0x4347c5]#012  0x42432a:
 /usr/sbin/varnishd(VFP_Fetch_Body+0x2ba) [0x42432a]#012  0x421569:
 /usr/sbin/varnishd() [0x421569]#012  0x4376b3:
 /usr/sbin/varnishd(Pool_Work_Thread+0x373) [0x4376b3]#012  0x44a98d:
 /usr/sbin/varnishd() [0x44a98d]#012  0x7fa6735ebb50: /lib/x86_64-linux-
 gnu/libpthread.so.0(+0x6b50) [0x7fa6735ebb50]#012  0x7fa6733357bd:
 /lib/x86_64-linux-gnu/libc.so.6(clone+0x6d) [0x7fa6733357bd]#012  busyobj
 = 0x7fa672b02020 {#012    ws = 0x7fa672b020e0 {#012      id = "bo",#012
 {s,f,r,e} = {0x7fa672b04008,+1920,(nil),+253976},#012    },#012  refcnt =
 2#012  retries = 0#012  failed = 1#012  state = 1#012    is_do_esi#012
 is_do_gzip#012    is_is_gunzip#012    bodystatus = 3 (length),#012
 },#012    http[bereq] = {#012      ws = 0x7fa672b020e0[bo]#012
 "GET",#012        "/myuri",#012        "HTTP/1.1",#012        "User-Agent:
 Mozilla/5.0 (Windows NT 6.1; WOW64; rv:33.0) Gecko/20100101
 Firefox/33.0",#012        "Accept: image/png,image/*;q=0.8,*/*;q=0.5",#012
 "Accept-Language: fr,fr-fr;q=0.8,en-us;q=0.5,en;q=0.3",#012
 "Referer: http://myhost/myuri",#012        "Host: myhost",#012
 "Surrogate-Capability: abc=ESI/1.0",#012        "X-Forwarded-For: xxx,
 xxx",#012        "X-Varnish: 852351",#012    },#012    http[beresp] =
 {#012      ws = 0x7fa672b020e0[bo]#012        "HTTP/1.1",#012
 "301",#012        "Moved Permanently",#012        "Date: Thu, 27 Nov 2014
 15:03:25 GMT",#012        "Server: Apache",#012

-- 
Ticket URL: <https://www.varnish-cache.org/trac/ticket/1637>
Varnish <https://varnish-cache.org/>
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