Hi I just compiled latest bristol, and have the same problem as others that the gui window is all white. If I start without jack it seems to be ok (didn't test it, since I really need jack) but with jack I get the all white gui window. However it seems to open ok, it appears in jack, both with midi and audio, and the output looks ok also: atte@ajstrup:~/software/bristol/bristol-0.9.5/src$ ./startBristol -jack -2600 spawning midi thread parent going into idle loop connected to :0.0 (81492f0) display is 1024 by 768 pixels Window is w 1024, h 768, d 24, 0 0 0 Using DirectColor display masks are ff0000 ff0000 ff0000 Initialise the arp2600 link to bristol: 814e800 midi sequencer Opened listening control socket: 5028 Client ID = 129 Queue ID = 0 Device name did not parse, defaults 128.0 hostname is localhost, bristol port is 5028 Connected to the bristol control socket: 5 bristolengine already active Accepted connection from 0 (3) onto 2 (5) created 16 voices: allocated 16 to synth engine MIDI channel 0 spawning audio thread registering jack interface Rescheduled thread: 95 initialising one arp2600 done create interface: 81490c0, 814e800 Found port alsa_pcm:playback_1 Found port alsa_pcm:playback_2 Default connection bristol:out_left to alsa_pcm:playback_1 Default connection bristol:out_right to alsa_pcm:playback_2 Found port alsa_pcm:capture_1 Found port alsa_pcm:capture_2 Default connection alsa_pcm:capture_1 to bristol:in Any ideas? This is under debian/unstable... -- peace, love & harmony Atte http://www.atte.dk | quartet: http://www.anagrammer.dk | compositions: http://www.atte.dk/compositions