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Date:      Mon, 11 Apr 2011 23:50:39 +0800
From:      "Zhang Weiwu, Beijing" <zhangweiwu@realss.com>
To:        freebsd-questions@freebsd.org
Subject:   8.2-release no sound. error "driver bug: Unable to set devclass (devname: (null))"
Message-ID:  <4DA3234F.2000305@realss.com>

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Behavior:


    tobago# kldload snd_driver
    driver bug: Unable to set devclass (devname: (null))
    ppc0: parallel port not found.
    driver bug: Unable to set devclass (devname: (null))
    ppc0: parallel port not found.
    ppc0: parallel port not found.
    driver bug: Unable to set devclass (devname: (null))
    ppc0: parallel port not found.
    driver bug: Unable to set devclass (devname: (null))
    ppc0: parallel port not found.
    driver bug: Unable to set devclass (devname: (null))
    ppc0: parallel port not found.
    tobago#

It turns out the kldload command itself have no output. all output are from dmesg.

What can I / should I do?

Interesting section of 'pciconf -lv':

none1@pci0:0:4:0:	class=0x040100 card=0x103b13bd chip=0x545510b9 rev=0x03 hdr=0x00
     vendor     = 'Acer Labs Incorporated (ALi/ULi)'
     device     = 'AC'97 Audio Controller (M1563M Southbridge)'
     class      = multimedia
     subclass   = audio

uname:

FreeBSD tobago 8.2-RELEASE FreeBSD 8.2-RELEASE #0: Fri Feb 18 02:24:46 UTC 2011     root@almeida.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  i386


By the way I tried to compile a kernel without ppc driver, thinking it causing trouble. Result is:

tobago#	kldload snd_driver
driver bug: Unable to set devclass (devname: (null))
driver bug: Unable to set devclass (devname: (null))
driver bug: Unable to set devclass (devname: (null))
driver bug: Unable to set devclass (devname: (null))
driver bug: Unable to set devclass (devname: (null))
tobago#




--
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