Thanks, but I think you've only identified the expected behavior:

http://curl.haxx.se/docs/faq.html#Why_doesn_t_cURL_return_an_error

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** [bugs:#1339] Curl waits forever**
**Status:** pending-invalid
**Created:** Wed Mar 05, 2014 04:08 AM UTC by fowoaufh
**Last Updated:** Wed Mar 05, 2014 04:08 AM UTC
**Owner:** Daniel Stenberg
OS: Trisquel 6.0 (based on Ubuntu 12.04) 64-bit
<pre>curl 7.22.0 (x86_64-pc-linux-gnu) libcurl/7.22.0 OpenSSL/1.0.1 zlib/1.2.3.4 libidn/1.23 librtmp/2.3
Protocols: dict file ftp ftps gopher http https imap imaps ldap pop3 pop3s rtmp rtsp smtp smtps telnet tftp 
Features: GSS-Negotiate IDN IPv6 Largefile NTLM NTLM_WB SSL libz TLS-SRP</pre>
Curl stays open forever, without a connection.
**To reproduce:**
Start a remote server that sends chunked http data with a timeout between chunks.
Connect with curl to the server.
Disconnect from network (simulate network problems). There should not be network between curl and the server.
While disconnected, restart remote server.
Reconnect to network.
Curl will not be able to communicate with the server and will not exit.
This bug also affects libcurl.
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