Some M3U8 Downloads frozen indefinitely

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[ ] Site support request (request for adding support for a new site)
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If the purpose of this issue is a bug report, site support request or you are not completely sure provide the full verbose output as follows:

Add -v flag to your command line you run youtube-dl with, copy the whole output and insert it here. It should look similar to one below (replace it with your log inserted between triple ```):

youtube-dl -v http://1253467418.vod2.myqcloud.com/2e2c2ce8vodgzp1253467418/b8840dca9031868222906143597/playlist.m3u8
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['-v', 'http://1253467418.vod2.myqcloud.com/2e2c2ce8vodgzp1253467418/b8840dca9031868222906143597/playlist.m3u8']
[debug] Encodings: locale cp1252, fs mbcs, out cp437, pref cp1252
[debug] youtube-dl version 2017.04.14
[debug] Python version 3.4.4 - Windows-7-6.1.7601-SP1
[debug] exe versions: ffmpeg N-85091-g23ae3cc, ffprobe N-85091-g23ae3cc, rtmpdump 2.4
[debug] Proxy map: {}
[generic] playlist: Requesting header
WARNING: Falling back on generic information extractor.
[generic] playlist: Downloading webpage
[generic] playlist: Downloading m3u8 information
[debug] Invoking downloader on 'http://1253467418.vod2.myqcloud.com/2e2c2ce8vodgzp1253467418/b8840dca9031868222906143597/playlist.m3u8'
[download] Destination: playlist-playlist.mp4
[debug] ffmpeg command line: ffmpeg -y -headers 'Accept-Encoding: gzip, deflate
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0) Gecko/20150101 Firefox/47.0 (Chrome)
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
Accept-Language: en-us,en;q=0.5
' -i http://1253467418.vod2.myqcloud.com/2e2c2ce8vodgzp1253467418/b8840dca9031868222906143597/playlist.m3u8 -c copy -f mp4 -bsf:a aac_adtstoasc file:playlist-playlist.mp4.part
ffmpeg version N-85091-g23ae3cc Copyright (c) 2000-2017 the FFmpeg developers
  built with gcc 6.3.0 (GCC)
  configuration: --enable-gpl --enable-version3 --enable-cuda --enable-cuvid --enable-d3d11va --enable-dxva2 --enable-libmfx --enable-nvenc --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264 --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg --enable-lzma --enable-zlib
  libavutil      55. 57.100 / 55. 57.100
  libavcodec     57. 88.100 / 57. 88.100
  libavformat    57. 70.100 / 57. 70.100
  libavdevice    57.  5.100 / 57.  5.100
  libavfilter     6. 81.100 /  6. 81.100
  libswscale      4.  5.100 /  4.  5.100
  libswresample   2.  6.100 /  2.  6.100
  libpostproc    54.  4.100 / 54.  4.100

Description of your issue, suggested solution and other information

The download in this case don't start and stay indefinitely waiting. Was hoping for a successful download or an error after some minutes trying to download. In some other links from same domain i have problems like this, but in most cases the download starts and get stuck at some point never returning an error. When i try to download the m3u8 itself it works fine, so as the ts linked inside. I can use HLS live player to watch then too. Another example on this URL: http://1253467418.vod2.myqcloud.com/2e2c2ce8vodgzp1253467418/c681f12a9031868222906741782/playlist.m3u8

ytdl-org / youtube-dl