NetBSD Problem Report #44585

From bernd@arresum.veego.de  Wed Feb 16 20:08:53 2011
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Date: Wed, 16 Feb 2011 21:08:38 +0100 (CET)
From: Bernd Ernesti <pr201105@veego.de>
Reply-To: Bernd Ernesti <pr201105@veego.de>
To: gnats-bugs@gnats.NetBSD.org
Subject: uaudio panic while attaching GN 2000 USB
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>Number:         44585
>Category:       kern
>Synopsis:       uaudio panic while attaching GN 2000 USB
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Feb 16 20:10:00 +0000 2011
>Last-Modified:  Thu Feb 17 16:35:01 +0000 2011
>Originator:     Bernd Ernesti
>Release:        NetBSD 5.1_STABLE
>Organization:
>Environment:
System: NetBSD 5.99.30 or 5.1_STABLE
Architecture: i386
Machine: i386
>Description:

	* NetBSD 5.99.30

uaudio0 at uhub3 port 2 configuration 1 interface 0
uaudio0: GN Netcom GN 2000 USB, rev 1.10/11.00, addr 2
id 1:   AC_FEATURE src=9
        input0: UAT_STREAM UATI_MICROPHONE 
        output: UATO_SPEAKER 
id 2:   AC_FEATURE src=10
        input0: UATI_MICROPHONE 
        output: UAT_STREAM 
id 6:   AC_FEATURE src=10
        input0: UATI_MICROPHONE 
        output: UATO_SPEAKER 
id 7:   AC_SELECTOR src=2 
        input0: UATI_MICROPHONE 
        output: UAT_STREAM 
id 8:   AC_SELECTOR src=6 
        input0: UATI_MICROPHONE 
        output: UATO_SPEAKER 
id 9:   AC_MIXER src=12 8 
        cluster: bNrChannels=2 wChannelConfig=0x0003<LEFT,RIGHT> iChannelNames=0
        input0: UAT_STREAM 
        input1: UATI_MICROPHONE 
        output: UATO_SPEAKER 
id 10:  AC_INPUT type=UATI_MICROPHONE
        cluster: bNrChannels=2 wChannelConfig=0x0003<LEFT,RIGHT> iChannelNames=0
        input0: UATI_MICROPHONE 
        output: UAT_STREAM UATO_SPEAKER 
id 11:  AC_INPUT type=UATI_MICROPHONE
        cluster: bNrChannels=2 wChannelConfig=0x0003<LEFT,RIGHT> iChannelNames=0
        output: uvm_fault(0xc0a14f80, 0, 1) -> 0xe
fatal page fault in supervisor mode
trap type 6 code 0 eip c0608bde cs 8 eflags 10286 cr2 0 ilevel 0
kernel: supervisor trap page fault, code=0
Stopped in pid 0.43 (system) at netbsd:uaudio_identify_ac+0x34e:        movl    0 (%esi),%ebx
db{1}> bt
uaudio_identify_ac(cdd7e304,c3216600,0,cd569ba4,c3220000,cd569ba4,cd569b2c,c06092fe,cdd7e304,c3216600) at netbsd:uaudio_identify_ac+0x34e
uaudio_identify(cdd7e304,c3216600,c3220000,cd537a20,c0677280,cd569ba4,cdd7f204,c0677300,c09663d8,0) at netbsd:uaudio_identify+0x15
uaudio_attach(cd537a04,cdd7f204,cd569ba4,c05a5468,0,c3122014,cdd7f204,1,4,c314aab0) at netbsd:uaudio_attach+0x8e
config_attach_loc(cd537a04,c09839d8,cd569bd8,cd569ba4,c0677280,c05a3410,3,c314e100,c314e100,cd569ba0) at netbsd:config_attach_loc+0x17c
usbd_attachinterfaces(0,c09c7d60,3,0,c314e138,0,0,2,c314e138,c314e100) at netbsd:usbd_attachinterfaces+0x1b3
usbd_probe_and_attach(cd537a04,c314e100,1,2,c3149180,cd569c90,c314ed30,c314ed30,cc99c008,cd537a04) at netbsd:usbd_probe_and_attach+0xc0
usbd_new_device(cd537a04,cc99c008,1,2,1,c314ed30,c314ed30,0,cc2df2c0,c3149180) at netbsd:usbd_new_device+0x5a4
uhub_explore(c3149180,cc2df2c0,cd569d2c,c0675a99,ea60,cc99c904,cd569d2c,c0675b0c,cc99c904,1f4) at netbsd:uhub_explore+0x352
usb_discover(cc99c904,1f4,cc99c904,c0675a20,cc2df2c0,cc99c904,0,c01002e1,cc99c904,0) at netbsd:usb_discover+0x55
usb_event_thread(cc99c904,0,c01002ca,0,c01002ca,0,0,0,0,0) at netbsd:usb_event_thread+0xec


	* NetBSD-5.1_STABLE

[..]
id 11:  AC_INPUT type=UATI_MICROPHONE
        cluster: bNrChannels=2 wChannelConfig=0x0003<LEFT,RIGHT> iChannelNames=0
        output: uvm_fault(0xc0749300, 0, 1) -> 0xe
fatal page fault in supervisor mode
trap type 6 code 0 eip c05159b0 cs 8 eflags 10286 cr2 0 ilevel 0
kernel: supervisor trap page fault, code=0
Stopped in pid 0.44 (system) at netbsd:uaudio_identify_ac+0x300:        movl    0 (%esi),%ebx


>How-To-Repeat:
	Plug in a GN 2000 USB
>Fix:


>Audit-Trail:
From: David Young <dyoung@pobox.com>
To: gnats-bugs@NetBSD.org
Cc: kern-bug-people@netbsd.org, gnats-admin@netbsd.org,
	netbsd-bugs@netbsd.org
Subject: Re: kern/44585: uaudio panic while attaching GN 2000 USB
Date: Thu, 17 Feb 2011 10:30:24 -0600

 This may be a duplicate of kern/43345?

 Dave

 -- 
 David Young             OJC Technologies
 dyoung@ojctech.com      Urbana, IL * (217) 344-0444 x24

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