some youtube videos stop at 2 minutes

[EdHunterMH]

some youtube videos stop at 2 minutes, for example, this video: https://www.youtube.com/watch?v=nM__lPTWThU

The log (just when it stops):

core debug: Buffering 99%
core debug: Stream buffering done (59224 ms in 4662 ms)
core debug: Decoder wait done in 0 ms
pulse debug: cannot synchronize start
pulse debug: deferring start (10959 us)
pulse warning: starting late (-3273 us)
pulse debug: started
pulse debug: underflow
pulse debug: underflow
pulse debug: changing sink 0: alsa_output.pci-0000_00_1b.0.hdmi-stereo (Audio Interno Digital Stereo (HDMI))
core debug: VoutDisplayEvent 'resize' 480x360 window
xcb_window debug: key: 0x00000066 (X11: 0x0066)
qt4 debug: Qt: Fullscreen state changed
qt4 debug: Qt: Entering Fullscreen
core debug: VoutDisplayEvent 'resize' 1920x1080 window
core debug: VoutDisplayEvent 'resize' 1920x1080 window
core debug: auto hiding mouse cursor
gnutls error: Decryption has failed.
core error: read error: Connection reset by peer
mkv warning: MKV/Ebml Parser: m_el[mi_level] == NULL
mkv warning: MKV/Ebml Parser: Up cannot escape itself
mkv warning: EOF
mkv warning: cannot get block EOF?
core debug: EOF reached
core debug: waiting decoder fifos to empty
[...]
core debug: waiting decoder fifos to empty
pulse debug: underflow
core debug: finished input
core debug: object waitpipe triggered
core debug: removing module "avcodec"
core warning: can't get output picture
avcodec debug: ffmpeg codec (Google/On2's VP8 Video) stopped
core debug: killing decoder fourcc `VP80', 0 PES in FIFO
core debug: saving a free vout
pulse debug: changing sink 0: alsa_output.pci-0000_00_1b.0.hdmi-stereo (Audio Interno Digital Stereo (HDMI))
core debug: reusing provided vout
qt4 debug: Qt: Fullscreen state changed
core debug: removing module "vorbis"
core debug: killing decoder fourcc `vorb', 0 PES in FIFO
core debug: removing module "samplerate"
core debug: removing module "scaletempo"
core debug: removing module "float_mixer"
core debug: keeping audio output
core debug: removing module "mkv"
core debug: Program doesn't contain anymore ES
mkv debug: Stopping the UI Hook
core debug: removing module "record"
core debug: removing module "http"
core debug: dead input
core debug: changing item without a request (current 0/1)
core debug: nothing to play
core debug: destroying useless vout
core debug: removing module "xcb_glx"
core debug: removing module "glx"
qt4 debug: IM: Deleting the input
qt4 debug: Qt: Quitting Fullscreen
dbus_screensaver debug: got cookie 12513
core debug: removing module "dbus_screensaver"
core debug: removing module "freetype"
core debug: removing module "yuvp"
core debug: removing module "swscale"
pulse debug: changing sink 0: alsa_output.pci-0000_00_1b.0.hdmi-stereo (Audio Interno Digital Stereo (HDMI))
dbus debug: Getting property CanControl
dbus debug: Getting property PlaybackStatus
dbus debug: Getting property PlaybackStatus

Other videos, as http://www.youtube.com/watch?v=Kvqr366Op3k plays OK.

In the browser all plays ok.

I have the last youtube.lua and playlist_youtube.lua in my systems.