kern/75797: 5.3-STABLE(2005 1/4) detect USB headset, But can not found play channel

[Kensaku MASUDA]

>Number:         75797
>Category:       kern
>Synopsis:       5.3-STABLE(2005 1/4) detect USB headset, But can not found play channel
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Jan 04 14:40:22 GMT 2005
>Closed-Date:
>Last-Modified:
>Originator:     Kensaku MASUDA
>Release:        5.3-STABLE
>Organization:
>Environment:
FreeBSD omoikane.greg.jp 5.3-STABLE FreeBSD 5.3-STABLE #1: Tue Jan  4 22:55:35 JST 2005     root at omoikane.greg.jp:/a/uzume.greg.rim.or.jp/export/src/system-5-stable/src/sys/i386/compile/omoikane.greg.jp  i386

>Description:
      2004/11/18's stable kernel detech the USB headset device, And work fine,
But 2005/1/4's was only detecting, Do not work.

>How-To-Repeat:
      Only connecting USB headset. And FreeBSD report
following
uaudio0: Plantronics Plantronics Headset, rev 1.10/0.04, addr 2
uaudio0: ignored input endpoint of type adaptive
uaudio0: ignored input endpoint of type adaptive
uaudio0: ignored input endpoint of type adaptive
uaudio0: audio rev 1.00
pcm0: <USB Audio> on uaudio0
pcm0: chn_init(pcm0:play:0) failed: err = 19
pcm0: pcm_chn_create(ua_chan, 1, 0xc23afa00) failed
pcm1: <Intel ICH5 (82801EB)> port 0xeb00-0xeb3f,0xea00-0xeaff mem 0xf8302000-0xf83020ff,0xf8301000-0xf83011ff irq 17 at device 31.5 on pci0
pcm1: [GIANT-LOCKED]
pcm1: <Avance Logic ALC650 AC97 Codec>
uaudio0: at uhub0 port 1 (addr 2) disconnected
pcm0: detached
uaudio0: detached
uaudio0: Plantronics Plantronics Headset, rev 1.10/0.04, addr 2
uaudio0: ignored input endpoint of type adaptive
uaudio0: ignored input endpoint of type adaptive
uaudio0: ignored input endpoint of type adaptive
uaudio0: audio rev 1.00
pcm0: <USB Audio> on uaudio0
pcm0: chn_init(pcm0:play:0) failed: err = 19
pcm0: pcm_chn_create(ua_chan, 1, 0xc2295e80) failed
uaudio1: Labtec Labtec USB Headset, rev 1.10/0.13, addr 3
uaudio1: audio rev 1.00
pcm2: <USB Audio> on uaudio1
pcm2: chn_init(pcm2:play:0) failed: err = 19
pcm2: pcm_chn_create(ua_chan, 1, 0xc30ca980) failed


>Fix:
      
>Release-Note:
>Audit-Trail:
>Unformatted: