[Varnish] #1067: Assert error in Tcheck() cache.h line 747

Varnish varnish-bugs at varnish-cache.org
Thu Dec 1 00:39:59 CET 2011


#1067: Assert error in Tcheck() cache.h line 747
---------------------+------------------------------------------------------
 Reporter:  nathanm  |        Type:  defect
   Status:  new      |    Priority:  high  
Milestone:           |   Component:  build 
  Version:  2.1.5    |    Severity:  major 
 Keywords:           |  
---------------------+------------------------------------------------------
 Getting this frequently and consistently on one url:

 {{{
 Nov 30 23:11:50 host.nmsrv.com varnishd[1516]: Child (3709) Panic message:
 Assert error in Tcheck(), cache.h line 747:
   Condition((t.b) != 0) not true.
 thread = (cache-worker)
 ident = Linux,2.6.32.27-grsec-gt-r2,x86_64,-smalloc,-hcritbit,epoll
 Backtrace:
   0x427733: /usr/sbin/varnishd() [0x427733]
   0x425565: /usr/sbin/varnishd() [0x425565]
   0x42a355: /usr/sbin/varnishd(RES_BuildHttp+0x95) [0x42a355]
   0x415d5d: /usr/sbin/varnishd() [0x415d5d]
   0x416b45: /usr/sbin/varnishd(CNT_Session+0x325) [0x416b45]
   0x4296b3: /usr/sbin/varnishd() [0x4296b3]
   0x428ebe: /usr/sbin/varnishd() [0x428ebe]
   0x7fb7912d14f7: /lib/libpthread.so.0(+0x74f7) [0x7fb7912d14f7]
   0x7fb790dbf28d: /lib/libc.so.6(clone+0x6d) [0x7fb790dbf28d]
 sp = 0x7fb75778c008 {
   fd = 46, id = 46, xid = 883930026,
   client = 123.123.123.123 2146,
   step = STP_DELIVER,
   handling = deliver,
   restarts = 0, esis = 0
   ws = 0x7fb75778c080 {
     id = "sess",
     {s,f,r,e} = {0x7fb75778d558,+4688,(nil),+65536},
   },
   http[req] = {
     ws = 0x7fb75778c080[sess]
       "GET",
 "http://www.host.com/doubleclick/DARTIframe.html?adParams=creativeIdentifier%3DGlobalTemplate_13226864065811322694705367%26mtfNoFlush%3D%26globalTemplateVersion%3D64_08%26isInterstitial%3Dfalse%26mediaServer%3Dhttp%253A//s0.2mdn.net%26adServer%3Dhttp%253A//ad.doubleclick.net%26adserverUrl%3Dhttp%253A//ad.doubleclick.net/activity%253Bsrc%253D2981993%253Bmet%253D1%253Bv%253D1%253Bpid%253D73670526%253Baid%253D247970272%253Bko%253D0%253Bcid%253D45140923%253Brid%253D45158711%253Brv%253D1%253B%26stringPostingUrl%3Dhttp%253A//ad.doubleclick.net/activity%253Bsrc%253D2981993%253Bstragg%253D1%253Bv%253D1%253Bpid%253D73670526%253Baid%253D247970272%253Bko%253D0%253Bcid%253D45140923%253Brid%253D45158711%253Brv%253D1%253Brn%253D7130235%253B%26swfParams%3Dsrc%253D2981993%2526rv%253D1%2526rid%253D45158711%2526%253D728x90%2526%26renderingId%3D45158711%26previewMode%3Dfalse%26debugEventsMode%3Dfalse%26pubHideObjects%3D%26pubHideApplets%3D%26mtfInline%3Dfalse%26pubTop%3D%26pubLeft%3D%26pubTopFloat%3D%26pubRightFloat%3D%26pubBottomFloat%3D%26pubLeftFloat%3D%26pubDuration%3D%26pubWMode%3D%26pubTopDuration%3D%26pubTopWMode%3D%26pubRightDuration%3D%26pubRightWMode%3D%26pubBottomDuration%3D%26pubBottomWMode%3D%26pubLeftDuration%3D%26pubLeftWMode%3D%26isRelativeBody%3Dfalse%26debugJSMode%3Dfalse%26adjustOverflow%3Dfalse%26asContext%3D%26clickThroughUrl%3Dhttp%253A//adclick.g.doubleclick.net/aclk%253Fsa%253DL%2526ai%253DBagAYNLjWTuLkMImFgALuuKGiCtvlq_wCq8TR5jiDq_OoaKDDcRABGAEggPvyAjgAUJfpo8MFYMnGqYvApNgPsgEYd3d3LnRoZ&gtVersion=64_08&mediaserver=http%3A//s0.2mdn.net/879366&cid=GlobalTemplate_13226864065811322694705367&plcrjs=http%3A//s0.2mdn.net/2981993/plcr_1820142_0_1322686408519.js&globalTemplateJs=http%3A//s0.2mdn.net/879366/expandingIframeGlobalTemplate_v2_64_08.js&customScriptFile=&needSlaves=true&numberOfSlaves=2",
       "HTTP/1.1",
       "Host: static1.host.com",
       "User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US;
 rv:1.9.2.24) Gecko/20111103 Firefox/3.6.24",
       "Accept:
 text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
       "Accept-Language: en-us",
       "Accept-Encoding: gzip,deflate",
       "Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7",
       "Keep-Alive: 115",
       "Connection: keep-alive",
       "Referer: http://googleads.g.doubleclick.net/pagead/ads?client=ca-
 pub-3969332055875549&output=html&h=90&slotname=5865189953&w=728&ea=0&flash=10.3.181&url=http%3A%2F%2Fwww.host.com%2Fshowthread.php%3Ft%3D956980%26page%3D3&dt=1322694704471&bpp=11&shv=r20111110&jsv=r20110914&correlator=1322694704786&frm=8&adk=148212317&ga_vid=384485472.1322694705&ga_sid=1322694705&ga_hid=508550686&ga_fc=0&u_tz=-360&u_his=5&u_java=1&u_h=768&u_w=1024&u_ah=734&u_aw=1024&u_cd=24&u_nplug=23&u_nmime=113&dff=serif&dfs=16&adx=-12245933&ady=-12245933&biw=-12245933&bih=-12245933&ifk=1633644208&fu=0&ifi=1&dtd=329",
       "X-Forwarded-For: 123.123.123.123",
   },
   worker = 0x7fb6ea6e9bf0 {
     ws = 0x7fb6ea6e9d70 {
       id = "wrk",
       {s,f,r,e} = {0x7fb6ea6d7b80,0x7fb6ea6d7b80,(nil),+65536},
     },
     },
     vcl = {
       srcname = {
         "input",
         "Default",
       },
     },
   obj = 0x7fb783f45a00 {
     xid = 883930026,
     ws = 0x7fb783f45a20 { overflow
       id = "obj",
       {s,f,r,e} = {0x7fb783f463a8,+104,(nil),+1024},
     },
     http[obj] = {
       ws = 0x7fb783f45a20[obj]
         "HTTP/1.1",
         "301",
         "Date: Wed, 30 Nov 2011 23:11:50 GMT",
         "Server: Varnish",
         "Retry-After: 0",
     },
     len = 0,
     store = {
     },
   },
 },
 }}}

 I've sanitized some data out of here, can email the full data privately if
 needed.

-- 
Ticket URL: <https://www.varnish-cache.org/trac/ticket/1067>
Varnish <https://varnish-cache.org/>
The Varnish HTTP Accelerator




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