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Date: Fri, 14 Jun 2002 06:04:24 +0300 (EEST)
From: Heikki Suonsivu <hsu@bbnetworks.net>
Reply-To: Heikki Suonsivu <hsu@bbnetworks.net>
To: FreeBSD-gnats-submit@FreeBSD.org
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Subject: kern/39260: pcm0 locks on boot, Compaq Presario 1920
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>Number:         39260
>Category:       kern
>Synopsis:       pcm0 locks on boot, Compaq Presario 1920
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Jun 13 20:40:01 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator:     Heikki Suonsivu
>Release:        FreeBSD 4.6-RC i386
>Organization:
bbnetworks.net
>Environment:

System: FreeBSD lankku.bbnetworks.net 4.6-RC FreeBSD 4.6-RC #2: Fri Jun 14 01:14:52 EEST 2002 hsu@lankku.bbnetworks.net:/usr/obj/usr/src/sys/LAPTOP i386

	Compaq Presario 1920, 64M, 30G.

>Description:

With pcm in kernel, the kernel locks up in boot after probing the
pcm device.  The pcm message appears, nothing after that.

If I boot a kernel without pcm compiled in, I get:

Jun 14 05:47:27 lankku /kernel.ok2: pci1: <NeoMagic MagicMedia 256AV SVGA controller> at 0.0 irq 9
Jun 14 05:47:27 lankku /kernel.ok2: chip1: <NeoMagic MagicMedia 256AX Audio controller> mem 0xf4200000-0xf42fffff,0xf4800000-0xf4bfffff irq 10 at device 0.1 on pci1

With pcm compile in, the latter is pcm0: ...

>How-To-Repeat:

	I assume this happens on all Compaq Presario 1920s.  It is
repeatable.  I tried both 

device		pcm0 at isa? irq 10 drq 1 flags 0x0

and

device		pcm

>Fix:

	Workaround is no sound, the computer seems to work (with some
pccard/pcmcia related trouble when freezing)


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

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