[Varnish] #398: logging off phpbb always causes "Error 503 Service Unavailable"

[Varnish]

#398: logging off phpbb always causes "Error 503 Service Unavailable"
-------------------------------------------+--------------------------------
 Reporter:  mmpower                        |        Owner:  phk
     Type:  defect                         |       Status:  new
 Priority:  normal                         |    Milestone:     
Component:  varnishd                       |      Version:  2.0
 Severity:  normal                         |   Resolution:     
 Keywords:  Error 503 Service Unavailable  |  
-------------------------------------------+--------------------------------
Comment (by mmpower):

 Replying to [comment:2 phk]:
 > Did you run varnishlog with "-c" argument ?  If so, could you leave that
 out so that we can also see the log entries for the backend communication
 ?

 Sorry for the late rely. here is the log wikthout the -c option:


     0 CLI          - Rd ping
     0 CLI          - Wr 0 200 PONG 1237571916
     0 CLI          - Rd ping
     0 CLI          - Wr 0 200 PONG 1237571919
     0 CLI          - Rd ping
     0 CLI          - Wr 0 200 PONG 1237571922
     0 CLI          - Rd ping
     0 CLI          - Wr 0 200 PONG 1237571925
     0 CLI          - Rd ping
     0 CLI          - Wr 0 200 PONG 1237571928
    12 SessionOpen  c 205.178.191.132 46563
    12 ReqStart     c 205.178.191.132 46563 844250232
    12 RxRequest    c GET
    12 RxURL        c
 /forum/login.php?logout=true&sid=890024b01e3a5656f50e926216c8afd6
    12 RxProtocol   c HTTP/1.1
    12 RxHeader     c Host: alpha.haiguinet.com
    12 RxHeader     c User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1;
 en-US; rv:1.9.0.7) Gecko/2009021910 Firefox/3.0.7 (.NET CLR 3.5.30729)
    12 RxHeader     c Accept:
 text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
    12 RxHeader     c Accept-Language: en-us,en;q=0.5
    12 RxHeader     c Accept-Encoding: gzip,deflate
    12 RxHeader     c Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
    12 RxHeader     c Keep-Alive: 300
    12 RxHeader     c Connection: keep-alive
    12 RxHeader     c Referer:
 http://alpha.haiguinet.com/forum/index.php?sid=890024b01e3a5656f50e926216c8afd6
    12 RxHeader     c Cookie: setframeview=0;
 userstatusserver=http%3A//202.142.17.114%3A8080/flashIM/wdkstatus;
 flashservers=rtmp%3A//202.142.17.114%3A443/flashIM%2Crtmp%3A//202.142.17.124%3A443/freechat%2Chttp%3A//202.142.17.114%3A8080/flashgo%2Chttp%3A//202.142.17.124%3A808
    12 VCL_call     c recv
    12 VCL_return   c pass
    12 VCL_call     c pass
    12 VCL_return   c pass
    13 BackendOpen  b default 208.73.238.68 44465 211.147.252.114 80
    13 TxRequest    b GET
    13 TxURL        b
 /forum/login.php?logout=true&sid=890024b01e3a5656f50e926216c8afd6
    13 TxProtocol   b HTTP/1.1
    13 TxHeader     b Host: alpha.haiguinet.com
    13 TxHeader     b User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1;
 en-US; rv:1.9.0.7) Gecko/2009021910 Firefox/3.0.7 (.NET CLR 3.5.30729)
    13 TxHeader     b Accept:
 text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
    13 TxHeader     b Accept-Language: en-us,en;q=0.5
    13 TxHeader     b Accept-Encoding: gzip,deflate
    13 TxHeader     b Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
    13 TxHeader     b Referer:
 http://alpha.haiguinet.com/forum/index.php?sid=890024b01e3a5656f50e926216c8afd6
    13 TxHeader     b Cookie: setframeview=0;
 userstatusserver=http%3A//202.142.17.114%3A8080/flashIM/wdkstatus;
 flashservers=rtmp%3A//202.142.17.114%3A443/flashIM%2Crtmp%3A//202.142.17.124%3A443/freechat%2Chttp%3A//202.142.17.114%3A8080/flashgo%2Chttp%3A//202.142.17.124%3A808
    13 TxHeader     b X-Forwarded-For: 205.178.191.132
    13 TxHeader     b X-Varnish: 844250232
    13 TxHeader     b X-Forwarded-for: 205.178.191.132
    13 BackendClose b default
    12 VCL_call     c fetch
     0 Debug        - "VCL_error(0, (null))"
    12 VCL_return   c error
    12 SessionClose c error returned
    12 TxProtocol   c HTTP/1.0
    12 TxStatus     c 503
    12 TxResponse   c Service Unavailable
    12 TxHeader     c Date: Fri, 20 Mar 2009 17:58:49 GMT
    12 TxHeader     c Server: Varnish
    12 TxHeader     c Retry-After: 0
    12 TxHeader     c Content-Type: text/html; charset=utf-8
    12 TxHeader     c X-Varnish: 844250232
    12 TxHeader     c Connection: close
    12 ReqEnd       c 844250232 1237571928.666558027 1237571929.572726011
 0.000896931 nan nan
     0 StatAddr     - 205.178.191.132 0 852 27 60 3 0 27 25023 162245
    12 StatSess     c 205.178.191.132 46563 1 1 1 0 0 0 451 0
     0 CLI          - Rd ping
     0 CLI          - Wr 0 200 PONG 1237571931
     0 CLI          - Rd ping
     0 CLI          - Wr 0 200 PONG 1237571934
     0 CLI          - Rd ping
     0 CLI          - Wr 0 200 PONG 1237571937
     0 CLI          - Rd ping
     0 CLI          - Wr 0 200 PONG 1237571940

-- 
Ticket URL: <http://varnish.projects.linpro.no/ticket/398#comment:3>
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