Child panics on OpenSolaris

[Paul Wright]

On 18 February 2010 10:08, Paul Wright <wrighty+varnishmisc at gmail.com> wrote:
> On 17 February 2010 18:46, Poul-Henning Kamp <phk at phk.freebsd.dk> wrote:
>> In message <282e72051002170852g532cd8acqb570e6db4b82974c at mail.gmail.com>, Paul
>> Wright writes:
>>
>>>(The cookie header ensures the request is passed through to the
>>>backend. Curl will respond with "Failure when receiving data from the
>>>peer".)
>>
>> How on earth did you get the Range header to be passed through to
>> the backend ?  It should have been filtered out...

Just as a sanity check I compiled r4574 on a Fedora x64 machine with
gcc and it appears that Range requests still make it through to the
backend, but no panics:

   11 SessionOpen  c 192.168.0.169 60860 192.168.0.87:80
   11 ReqStart     c 192.168.0.169 60860 1989537926
   11 RxRequest    c GET
   11 RxURL        c /robots.txt
   11 RxProtocol   c HTTP/1.1
   11 RxHeader     c User-Agent: curl/7.19.4
(universal-apple-darwin10.0) libcurl/7.19.4 OpenSSL/0.9.8l zlib/1.2.3
   11 RxHeader     c Host: 192.168.0.87
   11 RxHeader     c Accept: */*
   11 RxHeader     c Range: bytes=0-1
   11 RxHeader     c Cookie: foo
   11 VCL_call     c recv
   11 VCL_return   c pass
   11 VCL_call     c hash
   11 VCL_return   c hash
   11 VCL_call     c pass
   11 VCL_return   c pass
   12 BackendClose - paul
   12 BackendOpen  b paul 192.168.0.83 54663 192.168.0.83 80
   11 Backend      c 12 dynamic_director paul
   12 TxRequest    b GET
   12 TxURL        b /robots.txt
   12 TxProtocol   b HTTP/1.1
   12 TxHeader     b User-Agent: curl/7.19.4
(universal-apple-darwin10.0) libcurl/7.19.4 OpenSSL/0.9.8l zlib/1.2.3
   12 TxHeader     b Host: 192.168.0.87
   12 TxHeader     b Accept: */*
   12 TxHeader     b Range: bytes=0-1
   12 TxHeader     b Cookie: foo
   12 TxHeader     b X-Forwarded-For: 192.168.0.169
   12 TxHeader     b X-Varnish: 1989537926
   12 RxProtocol   b HTTP/1.1
   12 RxStatus     b 206
   12 RxResponse   b Partial Content
   12 RxHeader     b Date: Thu, 18 Feb 2010 12:00:51 GMT
   12 RxHeader     b Server: Apache
   12 RxHeader     b Last-Modified: Mon, 14 Dec 2009 11:00:28 GMT
   12 RxHeader     b ETag: "a2ad-de-47aae2e6fcaa0"
   12 RxHeader     b Accept-Ranges: bytes
   12 RxHeader     b Content-Length: 2
   12 RxHeader     b Content-Range: bytes 0-1/222
   12 RxHeader     b Content-Type: text/plain
   12 RxHeader     b X-Pad: avoid browser bug
   11 TTL          c 1989537926 RFC 120 1266494451 0 0 0 0
   11 VCL_call     c fetch
   11 VCL_return   c pass
   11 ObjProtocol  c HTTP/1.1
   11 ObjStatus    c 206
   11 ObjResponse  c Partial Content
   11 ObjHeader    c Date: Thu, 18 Feb 2010 12:00:51 GMT
   11 ObjHeader    c Server: Apache
   11 ObjHeader    c Last-Modified: Mon, 14 Dec 2009 11:00:28 GMT
   11 ObjHeader    c ETag: "a2ad-de-47aae2e6fcaa0"
   11 ObjHeader    c Content-Type: text/plain
   11 ObjHeader    c X-Pad: avoid browser bug
   12 BackendReuse b paul
   11 Length       c 2
   11 VCL_call     c deliver
   11 VCL_return   c deliver
   11 TxProtocol   c HTTP/1.1
   11 TxStatus     c 206
   11 TxResponse   c Partial Content
   11 TxHeader     c Server: Apache
   11 TxHeader     c Last-Modified: Mon, 14 Dec 2009 11:00:28 GMT
   11 TxHeader     c ETag: "a2ad-de-47aae2e6fcaa0"
   11 TxHeader     c Content-Type: text/plain
   11 TxHeader     c X-Pad: avoid browser bug
   11 TxHeader     c Content-Length: 2
   11 TxHeader     c Date: Thu, 18 Feb 2010 12:00:51 GMT
   11 TxHeader     c X-Varnish: 1989537926
   11 TxHeader     c Age: 0
   11 TxHeader     c Via: 1.1 varnish
   11 TxHeader     c Connection: keep-alive
   11 ReqEnd       c 1989537926 1266494451.053643227
1266494451.055507183 0.000101566 0.001832485 0.000031471
   11 SessionClose c EOF
   11 ReqEnd       c 0 1266494451.055849552 1266494451.055849552
0.000342369 0.000000000 0.000000000
   11 StatSess     c 192.168.0.169 60860 0 1 1 0 1 1 306 2

Paul.