[Varnish] #1615: Panic message:#012Assert error in vbf_fetch_thread(), cache/cache_fetch.c line 842

[Varnish]

#1615: Panic message:#012Assert error in vbf_fetch_thread(), cache/cache_fetch.c
line 842
------------------------------+--------------------
 Reporter:  xieyugui          |       Owner:
     Type:  defect            |      Status:  new
 Priority:  normal            |   Milestone:  Later
Component:  build             |     Version:  4.0.2
 Severity:  normal            |  Resolution:
 Keywords:  vbf_fetch_thread  |
------------------------------+--------------------
Changes (by fgsch):

 * version:  unknown => 4.0.2
 * milestone:  Varnish 4.0-TP2 => Later


Old description:

> Oct 19 10:07:03 localhost /xxx/varnish/var/varnish/cache[19719]: Child
> (26298) not responding to CLI, killing it.
> Oct 19 10:07:04 localhost /xxx/varnish/var/varnish/cache[19719]: Child
> (26298) died signal=6
> Oct 19 10:07:04 localhost /xxx/varnish/var/varnish/cache[19719]: Child
> (26298) Panic message:#012Assert error in vbf_fetch_thread(),
> cache/cache_fetch.c line 842:#012  Condition(uu == bo->fetch_obj->len)
> not true.#012thread = (cache-worker)#012ident =
> Linux,2.6.32-358.el6.x86_64,x86_64,-smalloc,-sfile,-sfile,-smalloc,-hcritbit,epoll#012Backtrace:#012
> 0x4310e5: pan_ic+0xc5#012  0x41fac4: vbf_fetch_thread+0xbf4#012
> 0x433b87: Pool_Work_Thread+0x357#012  0x4467d9: wrk_thread_real+0xb9#012
> 0x7ff3472959d1: /lib64/libpthread.so.0(+0x79d1) [0x7ff3472959d1]#012
> 0x7ff346fe286d: /lib64/libc.so.6(clone+0x6d) [0x7ff346fe286d]#012
> busyobj = 0x7f9b4fe8f970 {#012    ws = 0x7f9b4fe8fa30 {#012      id =
> "bo",#012      {s,f,r,e} = {0x7f9b4fe93f98,+480,(nil),+113112},#012
> },#012  refcnt = 1#012  retries = 0#012  failed = 0#012  state = 3#012
> is_do_pass#012    is_uncacheable#012    is_abandon#012
> is_is_gunzip#012    is_should_close#012    bodystatus = 3 (length),#012
> },#012    ws = 0x7f9b4fe8fbc0 {#012      id = "obj",#012      {s,f,r,e} =
> {0x7f9aae9d30a0,+232,(nil),+232},#012    },#012  objcore (FETCH) =
> 0x7feb12d649f0 {#012    refcnt = 1#012    flags = 0x104#012    objhead =
> 0x11d8ea0#012  }#012  obj (FETCH) = 0x7f9aae9d2ee0 {#012    vxid =
> 2200159394,#012    http[obj] = {#012      ws = (nil)[]#012
> "HTTP/1.1",#012        "400",#012        "Bad Request",#012
> "Server: nginx",#012        "Date: Sun, 19 Oct 2014 02:07:00 GMT",#012
> "Content-Type: text/html; charset=utf-8",#012        "Content-Length:
> 166",#012        "Domain-Id: 061fa35c95a8cc19b782c6",#012
> "X-TAN14: ORIGIN",#012        "x-storage: mem",#012    },#012    len =
> 166,#012    store = {#012    },#012  },#012  }#012

New description:

 {{{
 Oct 19 10:07:03 localhost /xxx/varnish/var/varnish/cache[19719]: Child
 (26298) not responding to CLI, killing it.
 Oct 19 10:07:04 localhost /xxx/varnish/var/varnish/cache[19719]: Child
 (26298) died signal=6
 Oct 19 10:07:04 localhost /xxx/varnish/var/varnish/cache[19719]: Child
 (26298) Panic message:#012Assert error in vbf_fetch_thread(),
 cache/cache_fetch.c line 842:#012  Condition(uu == bo->fetch_obj->len) not
 true.#012thread = (cache-worker)#012ident =
 Linux,2.6.32-358.el6.x86_64,x86_64,-smalloc,-sfile,-sfile,-smalloc,-hcritbit,epoll#012Backtrace:#012
 0x4310e5: pan_ic+0xc5#012  0x41fac4: vbf_fetch_thread+0xbf4#012  0x433b87:
 Pool_Work_Thread+0x357#012  0x4467d9: wrk_thread_real+0xb9#012
 0x7ff3472959d1: /lib64/libpthread.so.0(+0x79d1) [0x7ff3472959d1]#012
 0x7ff346fe286d: /lib64/libc.so.6(clone+0x6d) [0x7ff346fe286d]#012  busyobj
 = 0x7f9b4fe8f970 {#012    ws = 0x7f9b4fe8fa30 {#012      id = "bo",#012
 {s,f,r,e} = {0x7f9b4fe93f98,+480,(nil),+113112},#012    },#012  refcnt =
 1#012  retries = 0#012  failed = 0#012  state = 3#012    is_do_pass#012
 is_uncacheable#012    is_abandon#012    is_is_gunzip#012
 is_should_close#012    bodystatus = 3 (length),#012    },#012    ws =
 0x7f9b4fe8fbc0 {#012      id = "obj",#012      {s,f,r,e} =
 {0x7f9aae9d30a0,+232,(nil),+232},#012    },#012  objcore (FETCH) =
 0x7feb12d649f0 {#012    refcnt = 1#012    flags = 0x104#012    objhead =
 0x11d8ea0#012  }#012  obj (FETCH) = 0x7f9aae9d2ee0 {#012    vxid =
 2200159394,#012    http[obj] = {#012      ws = (nil)[]#012
 "HTTP/1.1",#012        "400",#012        "Bad Request",#012
 "Server: nginx",#012        "Date: Sun, 19 Oct 2014 02:07:00 GMT",#012
 "Content-Type: text/html; charset=utf-8",#012        "Content-Length:
 166",#012        "Domain-Id: 061fa35c95a8cc19b782c6",#012        "X-TAN14:
 ORIGIN",#012        "x-storage: mem",#012    },#012    len = 166,#012
 store = {#012    },#012  },#012  }#012
 }}}

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Ticket URL: <https://www.varnish-cache.org/trac/ticket/1615#comment:2>
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