Date: Fri, 01 Apr 2011 19:21:42 +0200 From: David Demelier <demelier.david@gmail.com> To: freebsd-multimedia@freebsd.org Subject: Re: snd_hda, codec attaching randomly? Message-ID: <4D9609A6.9060103@gmail.com> In-Reply-To: <4D7BBFD3.3060800@gmail.com> References: <4D787AEC.3050407@gmail.com> <4D7BBFD3.3060800@gmail.com>
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On 12/03/2011 19:47, David Demelier wrote: > 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, > The update of the bios seems to solve the problem (not appears for 10 times) Users of Intel DH55HC are encouraged to upgrade the bios following this link : http://downloadcenter.intel.com/Detail_Desc.aspx?lang=eng&changeLang=true&DwnldId=19947 No need to install windows, put the .BIO file on a usb key and press F7 when booting. Hope it will helps someone. Cheers, -- David Demelier
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