[seq24-users] help jack-transport: what does this mean?

[Federico <xa...@in...>]

22:05:43.910 MIDI connection change.
22:05:44.332 Audio connection graph change.
22:05:53.875 Audio connection graph change.
22:05:53.965 Audio connection change.
22:07:04.164 Statistics reset.
subgraph starting at qjackctl-13061 timed out (subgraph_wait_fd=26, 
status = 0, state = Finished)
**** alsa_pcm: xrun of at least 5.907 msecs
22:07:08.496 MIDI connection graph change.
cannot read event response from client [seq24 (12015)] (Connection reset 
by peer)
**** alsa_pcm: xrun of at least 54.141 msecs
cannot send event to client [seq24 (12015)] (Broken pipe)

when I get this error, seq24 transport gets locked.
can someone tell me the reason for this happening?

thanks
-- 
Federico