[ardour-users] Recording seems fine, playback not at all

[easy rider]

asound is powerfull source of information, thank you. I have the card -
Roland Edirol UA-20 bought 2 years ago, it IS supported by ALSA, I have been
working iwth it on SUSE LINUX 9.0 (i386), so no problem there, looking what
asound says, everything seems fine, doesn't it?
What follows is couple of logs from /proc/asound tree:

p at 64studio:~$ cat /proc/asound/UA20/stream0
Roland EDIROL UA-20 at usb-0000:00:02.0-2, full speed : USB Audio

Playback:
Status: Running
Interface = 1
Altset = 1
URBs = 2 [ 4 2 ]
Packet Size = 192
Momentary freq = 44100 Hz
Interface 1
Altset 1
Format: S16_LE
Channels: 2
Endpoint: 1 OUT (ADAPTIVE)
Rates: 44100

p at tux:~$ cat /proc/asound/UA20/pcm0p/sub0/sw_params
tstamp_mode: NONE
period_step: 1
sleep_min: 0
avail_min: 256
xfer_align: 256
start_threshold: 0
stop_threshold: 512
silence_threshold: 0
silence_size: 0
boundary: 4611686018427387904
p at 64studio:~$ cat /proc/asound/UA20/pcm0p/sub0/status
state: RUNNING
trigger_time: 1132473429.447589000
tstamp : 1132475588.593458000
delay : 222
avail : 290
avail_max : 300
-----
hw_ptr : 95217954
appl_ptr : 95218176

p at tux:~$ cat /proc/asound/UA20/pcm0p/
info oss sub0/

p at tux:~$ cat /proc/asound/UA20/pcm0p/info
card: 0
device: 0
subdevice: 0
stream: PLAYBACK
id: USB Audio
name: USB Audio
subname: subdevice #0
class: 0
subclass: 0
subdevices_count: 1
subdevices_avail: 0
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