Date: Fri, 4 Mar 2011 12:50:27 GMT From: Martin Ziegler <martin.ziegler@ziegi.ch> To: freebsd-gnats-submit@FreeBSD.org Subject: docs/155264: [handbook] Extend "7.2.2.1 Common Problems" with hw.snd.default_unit=n Message-ID: <201103041250.p24CoR9Q062533@red.freebsd.org> Resent-Message-ID: <201103041300.p24D0Nsg082739@freefall.freebsd.org>
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>Number: 155264 >Category: docs >Synopsis: [handbook] Extend "7.2.2.1 Common Problems" with hw.snd.default_unit=n >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-doc >State: open >Quarter: >Keywords: >Date-Required: >Class: update >Submitter-Id: current-users >Arrival-Date: Fri Mar 04 13:00:23 UTC 2011 >Closed-Date: >Last-Modified: >Originator: Martin Ziegler >Release: 8.2-RELEASE >Organization: >Environment: - >Description: Current graphic cards from ATI and Nvidia are often equipped with there own sound devices. Often these devices get lower device numbers (pcm*) than the actual sound card: > dmesg .. hdac0: HDA Driver Revision: 20100226_0142 hdac1: HDA Driver Revision: 20100226_0142 hdac0: HDA Codec #0: NVidia (Unknown) hdac0: HDA Codec #1: NVidia (Unknown) hdac0: HDA Codec #2: NVidia (Unknown) hdac0: HDA Codec #3: NVidia (Unknown) pcm0: <HDA NVidia (Unknown) PCM #0 DisplayPort> at cad 0 nid 1 on hdac0 pcm1: <HDA NVidia (Unknown) PCM #0 DisplayPort> at cad 1 nid 1 on hdac0 pcm2: <HDA NVidia (Unknown) PCM #0 DisplayPort> at cad 2 nid 1 on hdac0 pcm3: <HDA NVidia (Unknown) PCM #0 DisplayPort> at cad 3 nid 1 on hdac0 hdac1: HDA Codec #2: Realtek ALC889 pcm4: <HDA Realtek ALC889 PCM #0 Analog> at cad 2 nid 1 on hdac1 pcm5: <HDA Realtek ALC889 PCM #1 Analog> at cad 2 nid 1 on hdac1 pcm6: <HDA Realtek ALC889 PCM #2 Digital> at cad 2 nid 1 on hdac1 pcm7: <HDA Realtek ALC889 PCM #3 Digital> at cad 2 nid 1 on hdac1 .. As a result, the user need to set hw.snd.default_unit other than 0 (e.g. to 4 in the above example). >How-To-Repeat: - >Fix: Add a section about hw.snd.default_unit=n in the handbook, section "7.2.2.1 Common Problems" >Release-Note: >Audit-Trail: >Unformatted:
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