Date: Sat, 12 Mar 2011 19:47:47 +0100 From: David Demelier <demelier.david@gmail.com> To: freebsd-multimedia@freebsd.org Subject: Re: snd_hda, codec attaching randomly? Message-ID: <4D7BBFD3.3060800@gmail.com> In-Reply-To: <4D787AEC.3050407@gmail.com> References: <4D787AEC.3050407@gmail.com>
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On 10/03/2011 08:17, David Demelier wrote: > Hello, > > I've setup a brand new computer from scratch, it has two HDMI output > (via the on board and via the ati graphic card) with one codec for the > main board. > > Usually I have these pcm : > > pcm0: <HDA ATI R6xx HDMI PCM #0 HDMI> at cad 0 nid 1 on hdac0 > pcm1: <HDA Realtek ALC888 PCM #0 Analog> at cad 0 nid 1 on hdac1 > pcm2: <HDA Realtek ALC888 PCM #1 Analog> at cad 0 nid 1 on hdac1 > pcm3: <HDA Realtek ALC888 PCM #2 Digital> at cad 0 nid 1 on hdac1 > pcm4: <HDA Intel G45 HDMI PCM #0 DisplayPort> at cad 3 nid 1 on hdac1 > > But sometime when I boot the pcm4 disappear, with a lot of : > > hdac1: hdac_widget_connection_parse: nid=2 WARNING: zero cnid entnum=4 > j=0 index=0 entries=17 found=0 res=0x00000000 > hdac1: hdac_widget_connection_parse: nid=2 WARNING: zero cnid entnum=4 > j=1 index=0 entries=17 found=1 res=0x00000000 > hdac1: hdac_widget_connection_parse: nid=2 WARNING: zero cnid entnum=4 > j=2 index=0 entries=17 found=2 res=0x00000000 > hdac1: hdac_widget_connection_parse: nid=2 WARNING: zero cnid entnum=4 > j=3 index=0 entries=17 found=3 res=0x00000000 > [.. snip ..] > > Here you can see the normal dmesg file : > http://files.malikania.fr/normal.txt > > And here when the pcm disappear : > http://files.malikania.fr/notnormal.txt > > A simple diff from the files show some weird things: > > diff -ub normal.txt notnormal.txt > --- normal.txt 2011-03-10 08:06:14.000000000 +0100 > +++ notnormal.txt 2011-03-10 08:06:18.000000000 +0100 > @@ -116,24 +116,90 @@ > hdac0: HDA Codec #0: ATI R6xx HDMI > pcm0: <HDA ATI R6xx HDMI PCM #0 HDMI> at cad 0 nid 1 on hdac0 > hdac1: HDA Codec #0: Realtek ALC888 > -hdac1: HDA Codec #3: Intel G45 HDMI > +hdac1: HDA Codec #3: Intel Q57 HDMI > +hdac1: hdac_widget_connection_parse: nid=2 WARNING: zero cnid entnum=4 > j=0 index=0 entries=17 found=0 res=0x00000000 > +hdac1: hdac_widget_connection_parse: nid=2 WARNING: zero cnid entnum=4 > j=1 index=0 entries=17 found=1 res=0x00000000 > > [... message repeated a lot of time ...] > > pcm1: <HDA Realtek ALC888 PCM #0 Analog> at cad 0 nid 1 on hdac1 > pcm2: <HDA Realtek ALC888 PCM #1 Analog> at cad 0 nid 1 on hdac1 > pcm3: <HDA Realtek ALC888 PCM #2 Digital> at cad 0 nid 1 on hdac1 > -pcm4: <HDA Intel G45 HDMI PCM #0 DisplayPort> at cad 3 nid 1 on hdac1 > > Why does the HDMI codec is renamed to Q57? > > I didn't tweak snd_hda(4) much, I only added the following in my > /boot/devices.hints to get a proper jack-sense on my front panel: > > hint.hdac.1.cad0.nid27.config="as=1 seq=15" > > Cheers, > Oh I noticed something weird too: SMP: AP CPU #1 Launched! -SMP: AP CPU #3 Launched! SMP: AP CPU #2 Launched! +SMP: AP CPU #3 Launched! It seems the order of CPU change? I know that the Intel GMA HD graphics needs a Intel CPU compatible to get this video chipset working. So maybe the audio codec is attaching to the wrong core? I have no really idea, it appears really randomly nothing can change the behavior Cheers, -- David Demelier
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