问PHP - curl_exec挂起

EN

function requestPost($url, $data)
{
        set_time_limit(60);
        $output = array();
        $curlSession = curl_init();

        if($curlSession == false)
                syslog(LOG_INFO,"Falied to create a curl sessions");

        // Set the URL
        curl_setopt ($curlSession, CURLOPT_URL, $url);
        // No headers, please
        curl_setopt ($curlSession, CURLOPT_HEADER, 0);
        // It's a POST request
        curl_setopt ($curlSession, CURLOPT_POST, 1);
        // Set the fields for the POST
        curl_setopt ($curlSession, CURLOPT_POSTFIELDS, $data);
        // Return it direct, don't print it out
        curl_setopt($curlSession, CURLOPT_RETURNTRANSFER,1);
        // This connection will timeout in 30 seconds
        curl_setopt($curlSession, CURLOPT_TIMEOUT,30);
        //The next two lines must be present for the kit to work with newer version of cURL
        //You should remove them if you have any problems in earlier versions of cURL
        curl_setopt($curlSession, CURLOPT_SSL_VERIFYPEER, FALSE);
        curl_setopt($curlSession, CURLOPT_SSL_VERIFYHOST, 1);

        //Send the request and store the result in an array
        syslog(LOG_INFO,"base.php::requestPost() :  BEFORE SENDING CURL ");

        $rawresponse = curl_exec($curlSession);

}

(gdb) where
#0  0x00c15416 in __kernel_vsyscall ()
#1  0x002f522c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0x00a73a9d in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libc.so.6
#3  0x00b9b869 in PR_WaitCondVar () from /lib/libnspr4.so
#4  0x00809c0f in NSSRWLock_LockWrite_Util () from /usr/lib/libnssutil3.so
#5  0x05e9ae0e in ?? () from /usr/lib/libnss3.so
#6  0x05ebd014 in ?? () from /usr/lib/libnss3.so
#7  0x05ebd60d in ?? () from /usr/lib/libnss3.so
#8  0x05eb0506 in SECMOD_LoadModule () from /usr/lib/libnss3.so
#9  0x05eb047f in SECMOD_LoadModule () from /usr/lib/libnss3.so
#10 0x05e7c007 in ?? () from /usr/lib/libnss3.so
#11 0x05e7c95e in NSS_Initialize () from /usr/lib/libnss3.so
#12 0x008e8609 in ?? () from /usr/lib/libcurl.so.4
#13 0x008e9215 in Curl_nss_connect () from /usr/lib/libcurl.so.4
#14 0x008df9a3 in Curl_ssl_connect () from /usr/lib/libcurl.so.4
#15 0x008bc1fa in Curl_http_connect () from /usr/lib/libcurl.so.4
#16 0x008c44c6 in Curl_protocol_connect () from /usr/lib/libcurl.so.4
#17 0x008c5075 in ?? () from /usr/lib/libcurl.so.4
#18 0x008c58cf in Curl_async_resolved () from /usr/lib/libcurl.so.4
#19 0x008d1b2f in Curl_perform () from /usr/lib/libcurl.so.4
#20 0x008d2a74 in curl_easy_perform () from /usr/lib/libcurl.so.4
#21 0x006b4693 in ?? () from /usr/lib/php/modules/curl.so
#22 0x056e4ac9 in ?? () from /etc/httpd/modules/libphp5.so
#23 0x056bb87e in execute () from /etc/httpd/modules/libphp5.so
#24 0x05693a66 in zend_execute_scripts () from /etc/httpd/modules/libphp5.so
#25 0x05639cb6 in php_execute_script () from /etc/httpd/modules/libphp5.so
#26 0x057236b3 in ?? () from /etc/httpd/modules/libphp5.so
#27 0x00dc6421 in ap_run_handler ()
#28 0x00dca166 in ap_invoke_handler ()
#29 0x00dd6fa8 in ap_process_request ()
#30 0x00dd39e8 in ?? ()
#31 0x00dcec71 in ap_run_process_connection ()
#32 0x00ddc44a in ?? ()
#33 0x00ddc7ee in ?? ()
#34 0x00ddd793 in ap_mpm_run ()
#35 0x00db0ab2 in main ()

* About to connect() to live.sagepay.com port 443 (#0)
*   Trying x.x.x.x... * connected
* Connected to live.sagepay.com (x.x.x.x) port 443 (#0)
* warning: ignoring unsupported value (1) of ssl.verifyhost
*   CAfile: /etc/pki/tls/certs/ca-bundle.crt
  CApath: none
* SSL connection using SSL_RSA_WITH_RC4_128_MD5
* Server certificate:
*       subject: CN=live.sagepay.com,OU="Member, VeriSign Trust Network",OU=Authenticated by VeriSign,OU=Terms of use at www.verisign.co.uk/rpa (c)05,OU=Sage,O=Sage (UK) Limited,L=Newcastle Upon Tyne,ST=TYNE AND WEAR,C=GB,serialNumber=x.x.x,OID.x.x.x=Private Organization,OID.x.x.x.x=GB
*       start date: Mar 05 00:00:00 2011 GMT
*       expire date: Mar 04 23:59:59 2013 GMT
*       common name: live.sagepay.com
*       issuer: CN=VeriSign Class 3 Extended Validation SSL SGC CA,OU=Terms of use at https://www.verisign.com/rpa (c)06,OU=VeriSign Trust Network,O="VeriSign, Inc.",C=US
> POST /gateway/service/vspserver-register.vsp HTTP/1.1^M
Host: live.sagepay.com^M
Accept: */*^M
Content-Length: 664^M
Content-Type: application/x-www-form-urlencoded^M
^M
< HTTP/1.1 200 OK^M
< Date: Wed, 15 Jun 2011 16:11:43 GMT^M
< Server: Microsoft-IIS/6.0^M
< X-Powered-By: ASP.NET^M
< Content-Language: en-GB^M
< Content-Length: 276^M
< Set-Cookie: NSC_wjq-tbhfqbz-dpn-ofx=xxxx;expires=Wed, 15-Jun-2011 16:48:26 GMT;path=/;secure;httponly^M
< ^M
* Connection #0 to host live.sagepay.com left intact