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Date: Sat, 3 Mar 2007 12:13:21 GMT
From: Marcin<hybridx87@gmail.com>
To: freebsd-gnats-submit@FreeBSD.org
Subject: Mixer crapp
X-Send-Pr-Version: www-3.0

>Number:         109791
>Category:       kern
>Synopsis:       [sound] bad sound with maestro3 sound card
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-multimedia
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat Mar 03 12:20:01 GMT 2007
>Closed-Date:    Mon Mar 12 02:05:35 GMT 2007
>Last-Modified:  Mon Mar 12 02:10:03 GMT 2007
>Originator:     Marcin
>Release:        FreeBSD 6.2
>Organization:
Home
>Environment:
FreeBSD myBox 6.2-RELEASE FreeBSD 6.2-RELEASE #0: Fri Jan 12 10:40:27 UTC 2007     root@dessler.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  i386

>Description:
The problem is that he has crappy sound with his Maestro3 Sound Card.

error messages:
pcm0:play:1:dsp0.1: play interrupt timeout channel dead

% vmstat -i # GENERIC 6.2
interrupt                          total       rate 
irq0: clk                         151683        991 
irq1: atkbd0                         119          0 
irq5: pcm0                           469          3 
irq6: fdc0                             7          0 
irq7: ppc0                             1          0 
irq8: rtc                          19427        126 
irq10: cbb0 cbb1+*                  1444          9 
irq11: nvidia0                      7564         49 
irq12: psm0                         7089         46 
irq14: ata0                         7968         52 
Total                             195771       1279

this setup in /boot/loader.conf also did not helped:

snd_maestro3_load="YES"
hint.cbb.0.disabled="1" 
hint.cbb.1.disabled="1" 
hint.pccard.0.disabled="1" 
hint.pccard.1.disabled="1" 
hint.cardbus.0.disabled="1" 
hint.cardbus.1.disabled="1"

after removing pcimcia support from kernel:
% vmstat -i
interrupt                          total       rate 
irq0: clk                         206211        991 
irq1: atkbd0                         512          2 
irq5: pcm0                          1474          7 
irq6: fdc0                             7          0 
irq7: ppc0                             1          0 
irq8: rtc                          26408        126 
irq10: xl0 fwohci+                  4748         22 
irq11: nvidia0                      8684         41 
irq12: psm0                           36          0 
irq14: ata0                         7999         38 
Total                             256080       1231

after removing firewire from kernel:
% vmstat -i
interrupt                          total       rate 
irq0: clk                         247221        992 
irq1: atkbd0                         413          1 
irq5: pcm0                           509          2 
irq6: fdc0                             7          0 
irq7: ppc0                             1          0 
irq8: rtc                          31659        127 
irq10: xl0 uhci0                    6701         26 
irq11: nvidia0                     12729         51 
irq12: psm0                            6          0 
irq14: ata0                         9677         38 
Total                             308923       1240

no IRQ conflicts at this time, but the glitchy sound still is the problem.

setting hint.pcm.0.hwvol_config="0" in /boot/loader.conf also did not helped.

hardware:

Dell Latitude C810 BIOS A12

P3 Tualatin Mobile 1000/733 133MHz FSB 
2x256 SDRAM 133MHz Kingston 
Intel 815e/ep 
Geforce2Go 16MB DDR 
ESS Maestro 3 
3Com 56k V.90Mini PCI Modem/ 3Com Ethernet 10/100 
Kontroler IEEE 1394 Texas Instruments 
CardBUS Texas Instruments PCI-4451 
Dysk Toshiba MK2018GAS 
CD SAMSUNG SN-124

kernel was GENERIC 6.2[later with remover pcimcia and firewire] also 7.0/5.4 GENERIC tried without success.

here is some other info:

% pciconf -lv
hostb0 at pci0:0:0:        class=0x060000 card=0x00000000 chip=0x11308086 rev=0x04 
hdr=0x00 
    vendor   = 'Intel Corporation' 
    device   = '82815/EM/EP/P 815/EM/EP/P (Solano) Host to I/O Hub Bridge' 
    class    = bridge 
    subclass = HOST-PCI 
pcib1 at pci0:1:0: class=0x060400 card=0x00000000 chip=0x11318086 rev=0x04 hdr=0x01 
    vendor   = 'Intel Corporation' 
    device   = '82815/EM/EP/P 815/EM/EP/P (Solano) PCI to AGP Bridge' 
    class    = bridge 
    subclass = PCI-PCI 
pcib2 at pci0:30:0:        class=0x060400 card=0x00000000 chip=0x24488086 rev=0x03 
hdr=0x01 
    vendor   = 'Intel Corporation' 
    device   = '82801BAM/CAM/DBM (ICH2-M/3-M/4-M) Hub Interface to PCI Bridge' 
    class    = bridge 
    subclass = PCI-PCI 
isab0 at pci0:31:0:        class=0x060100 card=0x00000000 chip=0x244c8086 rev=0x03 
hdr=0x00 
    vendor   = 'Intel Corporation' 
    device   = '82801BAM (ICH2-M) LPC Interface Controller' 
    class    = bridge 
    subclass = PCI-ISA 
atapci0 at pci0:31:1:      class=0x010180 card=0x45418086 chip=0x244a8086 rev=0x03 
hdr=0x00 
    vendor   = 'Intel Corporation' 
    device   = '82801BAM (ICH2-M) UltraATA/100 IDE Controller' 
    class    = mass storage 
    subclass = ATA 
uhci0 at pci0:31:2:        class=0x0c0300 card=0x45418086 chip=0x24428086 rev=0x03 
hdr=0x00 
    vendor   = 'Intel Corporation' 
    device   = '82801BA/BAM (ICH2/ICH2-M) USB Universal Host Controller' 
    class    = serial bus 
    subclass = USB 
none0 at pci1:0:0: class=0x030000 card=0x00e51028 chip=0x011210de rev=0xb2 hdr=0x00 
    vendor   = 'NVIDIA Corporation' 
    device   = 'NV11 GeForce2 Go / MX Ultra' 
    class    = display 
    subclass = VGA 
none1 at pci2:3:0: class=0x040100 card=0x00e51028 chip=0x1998125d rev=0x10 hdr=0x00 
    vendor   = 'ESS Technology' 
    device   = 'ES1980 Maestro-3 PCI Audio Accelerator' 
    class    = multimedia 
    subclass = audio 
xl0 at pci2:6:0:   class=0x020000 card=0x645610b7 chip=0x605510b7 rev=0x10 hdr=0x00 
    vendor   = '3COM Corp, Networking Division' 
    device   = '3C556 10/100 Mini PCI Fast Ethernet Adapter' 
    class    = network 
    subclass = ethernet 
none2 at pci2:6:1: class=0x078000 card=0x615b10b7 chip=0x100710b7 rev=0x10 hdr=0x00 
    vendor   = '3COM Corp, Networking Division' 
    device   = '3C556 V.90 Mini-PCI Modem' 
    class    = simple comms 
cbb0 at pci2:15:0: class=0x060700 card=0x00e51028 chip=0xac42104c rev=0x00 hdr=0x02 
    vendor   = 'Texas Instruments (TI)' 
    device   = 'PCI4451 PC card CardBus Controller' 
    class    = bridge 
    subclass = PCI-CardBus 
cbb1 at pci2:15:1: class=0x060700 card=0x00e51028 chip=0xac42104c rev=0x00 hdr=0x02 
    vendor   = 'Texas Instruments (TI)' 
    device   = 'PCI4451 PC card CardBus Controller' 
    class    = bridge 
    subclass = PCI-CardBus 
fwohci0 at pci2:15:2:      class=0x0c0010 card=0x00e51028 chip=0x8027104c rev=0x00 
hdr=0x00 
    vendor   = 'Texas Instruments (TI)' 
    device   = 'PCI4451 OHCI-Lynx IEEE-1394 FireWire Adapter' 
    class    = serial bus 
    subclass = FireWire

% vmstat -i # from GENERIC FreeBSD 7.0-CURRENT 200702 snapshot
interrupt                          total       rate 
irq0: clk                        1713674        999 
irq1: atkbd0                        1085          0 
irq5: pcm0                         11217          6 
irq6: fdc0                             7          0 
irq7: ppc0                             1          0 
irq8: rtc                         219463        127 
irq10: cbb0 cbb1+*                 43281         25 
irq12: psm0                           39          0 
irq14: ata0                        39936         23 
Total                            2028703       1182

the other problem is also that booting in SAFE MODE or with ACPI DISABLED the laptop is not booting and bootloader is showing that it cant load the kernel.


thanks for any help and hints.
>How-To-Repeat:
1.run xmms and play any song;)
2 run next copy xmms and click play song
3 ok play two copy xmms - its ok but..
4 if any copy xmms click stop -sound crappy sometime system halt
5 on tty0 i see:
pcm0:play:1:dsp0.1: play interrupt timeout channel dead
>Fix:
i dont known but in windows, linux 2.6 2.4 ist OK
>Release-Note:
>Audit-Trail:
Responsible-Changed-From-To: freebsd-i386->freebsd-multimedia 
Responsible-Changed-By: ariff 
Responsible-Changed-When: Sun Mar 4 02:43:35 UTC 2007 
Responsible-Changed-Why:  
Reassign to freebsd-multimedia 

To the submitter, please try this one: 

http://people.freebsd.org/~ariff/test/maestro3.c 

http://www.freebsd.org/cgi/query-pr.cgi?pr=109791 

From: Marcin <hybridx87@gmail.com>
To: bug-followup@FreeBSD.org
Cc:  
Subject: Re: kern/109791: [sound] bad sound with maestro3 sound card
Date: Sun, 4 Mar 2007 18:56:03 +0100

 >From-To:	freebsd-i386->freebsd-multimedia
 >By:	ariff
 >When:	Sun Mar 4 02:43:35 UTC 2007
 >Why:	Reassign to freebsd-multimedia
 >To the submitter, please try this one:
 >http://people.freebsd.org/~ariff/test/maestro3.c
 
 i can't compile this driver;
 
 cp maestro3.c /usr/src/sys/dev/sound/pci/
 
 and
 
 make buildkernel KERNCONF=GENERIC && make installkernel KERNCONF=GENERIC
 
 but i see:
 
 ===> sound/driver/maestro3 (all)
 cc -O2 -fomit-frame-pointer -pipe -march=pentiumpro -Wall
 -DM3_DEBUG_LEVEL=-1 -fno-strict-aliasing -Werror -D_KERNEL
 -DKLD_MODULE -nostdinc -I-   -DHAVE_KERNEL_OPTION_HEADERS -include
 /usr/obj/usr/src/sys/GENERIC/opt_global.h -I. -I@ -I@/contrib/altq
 -I/usr/include -finline-limit=8000 -fno-common -g
 -I/usr/obj/usr/src/sys/GENERIC -mno-align-long-strings
 -mpreferred-stack-boundary=2  -mno-mmx -mno-3dnow -mno-sse -mno-sse2
 -ffreestanding -Wall -Wredundant-decls -Wnested-externs
 -Wstrict-prototypes  -Wmissing-prototypes -Wpointer-arith -Winline
 -Wcast-qual  -fformat-extensions -std=c99 -c
 /usr/src/sys/modules/sound/driver/maestro3/../../../../dev/sound/pci/maestro3.c
 /usr/src/sys/modules/sound/driver/maestro3/../../../../dev/sound/pci/maestro3.c:
 In function `m3_pci_attach':
 /usr/src/sys/modules/sound/driver/maestro3/../../../../dev/sound/pci/maestro3.c:1247:
 warning: implicit declaration of function `bus_get_dma_tag'
 /usr/src/sys/modules/sound/driver/maestro3/../../../../dev/sound/pci/maestro3.c:1247:
 warning: nested extern declaration of `bus_get_dma_tag'
 /usr/src/sys/modules/sound/driver/maestro3/../../../../dev/sound/pci/maestro3.c:1258:
 warning: passing arg 1 of `bus_dma_tag_create' makes pointer from
 integer without a cast
 *** Error code 1
 
 Stop in /usr/src/sys/modules/sound/driver/maestro3.
 *** Error code 1
 
 Stop in /usr/src/sys/modules/sound/driver.
 *** Error code 1
 
 Stop in /usr/src/sys/modules/sound.
 *** Error code 1
 
 Stop in /usr/src/sys/modules.
 *** Error code 1
 
 Stop in /usr/obj/usr/src/sys/GENERIC.
 *** Error code 1
 
 Stop in /usr/src.
 *** Error code 1
 
 Stop in /usr/src.
 myBox#
 
 any hits?

From: Marcin <hybridx87@gmail.com>
To: bug-followup@FreeBSD.org, hybridx87@gmail.com
Cc:  
Subject: Re: kern/109791: [sound] bad sound with maestro3 sound card
Date: Mon, 5 Mar 2007 16:06:14 +0100

 Work very well -  good job :-)
 When correct driver be available in 6-stable?

From: Ariff Abdullah <ariff@FreeBSD.org>
To: Marcin <hybridx87@gmail.com>
Cc: bug-followup@FreeBSD.org
Subject: Re: kern/109791: [sound] bad sound with maestro3 sound card
Date: Tue, 6 Mar 2007 11:03:36 +0800

 On Mon, 5 Mar 2007 15:10:09 GMT
 Marcin <hybridx87@gmail.com> wrote:
 > 
 >  Work very well -  good job :-)
 >  When correct driver be available in 6-stable?
 > 
 
 Ok, here is a little test for you. Please grab
 http://people.freebsd.org/~ariff/test/maestro3.c
 
 Use kenv to set hint.pcm.0.dac="X", where X should be 1, 2, 3 or 4.
 For each settings, reload snd_maestro3 module, and try playing
 multiple playback streams. Please tell which settings cause the
 playback starting to fail, especially the "interrupt time out channel
 dead" message.
 
 
 --
 Ariff Abdullah
 FreeBSD
 
 ... Recording in stereo is obviously too advanced
     and confusing for us idiot ***** users :P ........

From: Marcin <hybridx87@gmail.com>
To: bug-followup@FreeBSD.org
Cc:  
Subject: re: kern/109791: [sound] bad sound with maestro3 sound card
Date: Tue, 6 Mar 2007 16:14:34 +0100

 kenv hint.pcm.0.dac="1"
 kldload snd_maestro3
 link_elf_lookup_symbol: missing symbol hash table
 link_elf_lookup_symbol: missing symbol hash table
 pcm0: <ESS Technology Maestro3> port 0xec00-0xecff mem
 0xf8ffe000-0xf8ffffff irq 5 at device 3.0 on pci2
 pcm0: <SigmaTel STAC9721/23 AC97 Codec>
 
 ONLY one xmms play, if run secend - xmms show error
 -------------
 kenv hint.pcm.0.dac="2"
 kldload snd_maestro3
 
 pcm0: detached
 pcm0: <ESS Technology Maestro3> port 0xec00-0xecff mem
 0xf8ffe000-0xf8ffffff irq 5 at device 3.0 on pci2
 pcm0: <SigmaTel STAC9721/23 AC97 Codec>
 pcm0: detached
 pcm0: <ESS Technology Maestro3> port 0xec00-0xecff mem
 0xf8ffe000-0xf8ffffff irq 5 at device 3.0 on pci2
 pcm0: <SigmaTel STAC9721/23 AC97 Codec>
 pcm0:play:1:dsp0.1: play interrupt timeout, channel dead
 pcm0:play:0:dsp0.0: play interrupt timeout, channel dead
 
 play 2 copy xmms but, if click stop sound crappy
 
 -------------
 kenv hint.pcm.0.dac="3"
 kldload snd_maestro3
 
 pcm0: detached
 pcm0: <ESS Technology Maestro3> port 0xec00-0xecff mem
 0xf8ffe000-0xf8ffffff irq 5 at device 3.0 on pci2
 pcm0: <SigmaTel STAC9721/23 AC97 Codec>
 pcm0:play:0:dsp0.0: play interrupt timeout, channel dead
 
 play 2 copy xmms but, if click stop sound crappy
 
 -------------
 kenv hint.pcm.0.dac="4"
 kldload snd_maestro3
 
 pcm0: detached
 pcm0: <ESS Technology Maestro3> port 0xec00-0xecff mem
 0xf8ffe000-0xf8ffffff irq 5 at device 3.0 on pci2
 pcm0: <SigmaTel STAC9721/23 AC97 Codec>
 pcm0:play:0:dsp0.0: play interrupt timeout, channel dead
 
 play 2 copy xmms but, if click stop sound crappy
 
 On this settings multiple playback streams not run.
 I don't test recording, and full-duplex.
 Previous version run better.

From: Ariff Abdullah <ariff@FreeBSD.org>
To: Marcin <hybridx87@gmail.com>
Cc: bug-followup@FreeBSD.org
Subject: Re: kern/109791: [sound] bad sound with maestro3 sound card
Date: Wed, 7 Mar 2007 00:00:31 +0800

 On Tue, 6 Mar 2007 15:20:07 GMT
 Marcin <hybridx87@gmail.com> wrote:
 > 
 >  kenv hint.pcm.0.dac="1"
 >  kldload snd_maestro3
 >  link_elf_lookup_symbol: missing symbol hash table
 >  link_elf_lookup_symbol: missing symbol hash table
 
 I don't know what is going on. Your sources probably screwed. Please
 recompile everything, just to be sure. It probably harmless, for now.
 
 [continue..]
 
 >  pcm0: <ESS Technology Maestro3> port 0xec00-0xecff mem
 >  0xf8ffe000-0xf8ffffff irq 5 at device 3.0 on pci2
 >  pcm0: <SigmaTel STAC9721/23 AC97 Codec>
 >  
 >  ONLY one xmms play, if run secend - xmms show error
 >  -------------
 
 Please enable vchans. Make sure hw.snd.maxautovchans=<greater than 0>
 and hw.snd.pcm0.vchans=<greater than 0> (on -current, this should be
 dev.pcm.0.vchans). Try again (remember that hint.pcm.0.dac="1").
 
 >  kenv hint.pcm.0.dac="2"
 >  kldload snd_maestro3
 >  
 >  pcm0: detached
 >  pcm0: <ESS Technology Maestro3> port 0xec00-0xecff mem
 >  0xf8ffe000-0xf8ffffff irq 5 at device 3.0 on pci2
 >  pcm0: <SigmaTel STAC9721/23 AC97 Codec>
 >  pcm0: detached
 >  pcm0: <ESS Technology Maestro3> port 0xec00-0xecff mem
 >  0xf8ffe000-0xf8ffffff irq 5 at device 3.0 on pci2
 >  pcm0: <SigmaTel STAC9721/23 AC97 Codec>
 >  pcm0:play:1:dsp0.1: play interrupt timeout, channel dead
 >  pcm0:play:0:dsp0.0: play interrupt timeout, channel dead
 >  
 >  play 2 copy xmms but, if click stop sound crappy
 >  
 >  -------------
 
 Expected.
 
 >  kenv hint.pcm.0.dac="3"
 >  kldload snd_maestro3
 >  
 >  pcm0: detached
 >  pcm0: <ESS Technology Maestro3> port 0xec00-0xecff mem
 >  0xf8ffe000-0xf8ffffff irq 5 at device 3.0 on pci2
 >  pcm0: <SigmaTel STAC9721/23 AC97 Codec>
 >  pcm0:play:0:dsp0.0: play interrupt timeout, channel dead
 >  
 >  play 2 copy xmms but, if click stop sound crappy
 >  
 >  -------------
 
 Expected.
 
 >  kenv hint.pcm.0.dac="4"
 >  kldload snd_maestro3
 >  
 >  pcm0: detached
 >  pcm0: <ESS Technology Maestro3> port 0xec00-0xecff mem
 >  0xf8ffe000-0xf8ffffff irq 5 at device 3.0 on pci2
 >  pcm0: <SigmaTel STAC9721/23 AC97 Codec>
 >  pcm0:play:0:dsp0.0: play interrupt timeout, channel dead
 >  
 >  play 2 copy xmms but, if click stop sound crappy
 >  
 >  On this settings multiple playback streams not run.
 >  I don't test recording, and full-duplex.
 >  Previous version run better.
 > 
 Expected.
 
 This version is much better than the previous one since you can
 configure total number of DAC. Since yours cannot operate more than 1
 DAC, dac=1 works flawlessly at the cost of enabling vchan (which is
 good).
 
 
 --
 Ariff Abdullah
 FreeBSD
 
 ... Recording in stereo is obviously too advanced
     and confusing for us idiot ***** users :P ........

From: Marcin <hybridx87@gmail.com>
To: bug-followup@freebsd.org
Cc:  
Subject: Re: kern/109791: [sound] bad sound with maestro3 sound card
Date: Tue, 6 Mar 2007 17:17:43 +0100

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 Content-Transfer-Encoding: 7bit
 Content-Disposition: inline
 
 2007/3/6, Ariff Abdullah <ariff@freebsd.org>:
 > On Tue, 6 Mar 2007 15:20:07 GMT
 > Marcin <hybridx87@gmail.com> wrote:
 > >
 > >  kenv hint.pcm.0.dac="1"
 > >  kldload snd_maestro3
 > >  link_elf_lookup_symbol: missing symbol hash table
 > >  link_elf_lookup_symbol: missing symbol hash table
 >
 > I don't know what is going on. Your sources probably screwed. Please
 > recompile everything, just to be sure. It probably harmless, for now.
 >
 > [continue..]
 >
 > >  pcm0: <ESS Technology Maestro3> port 0xec00-0xecff mem
 > >  0xf8ffe000-0xf8ffffff irq 5 at device 3.0 on pci2
 > >  pcm0: <SigmaTel STAC9721/23 AC97 Codec>
 > >
 > >  ONLY one xmms play, if run secend - xmms show error
 > >  -------------
 >
 > Please enable vchans. Make sure hw.snd.maxautovchans=<greater than 0>
 > and hw.snd.pcm0.vchans=<greater than 0> (on -current, this should be
 > dev.pcm.0.vchans). Try again (remember that hint.pcm.0.dac="1").
 >
 > >  kenv hint.pcm.0.dac="2"
 > >  kldload snd_maestro3
 > >
 > >  pcm0: detached
 > >  pcm0: <ESS Technology Maestro3> port 0xec00-0xecff mem
 > >  0xf8ffe000-0xf8ffffff irq 5 at device 3.0 on pci2
 > >  pcm0: <SigmaTel STAC9721/23 AC97 Codec>
 > >  pcm0: detached
 > >  pcm0: <ESS Technology Maestro3> port 0xec00-0xecff mem
 > >  0xf8ffe000-0xf8ffffff irq 5 at device 3.0 on pci2
 > >  pcm0: <SigmaTel STAC9721/23 AC97 Codec>
 > >  pcm0:play:1:dsp0.1: play interrupt timeout, channel dead
 > >  pcm0:play:0:dsp0.0: play interrupt timeout, channel dead
 > >
 > >  play 2 copy xmms but, if click stop sound crappy
 > >
 > >  -------------
 >
 > Expected.
 >
 > >  kenv hint.pcm.0.dac="3"
 > >  kldload snd_maestro3
 > >
 > >  pcm0: detached
 > >  pcm0: <ESS Technology Maestro3> port 0xec00-0xecff mem
 > >  0xf8ffe000-0xf8ffffff irq 5 at device 3.0 on pci2
 > >  pcm0: <SigmaTel STAC9721/23 AC97 Codec>
 > >  pcm0:play:0:dsp0.0: play interrupt timeout, channel dead
 > >
 > >  play 2 copy xmms but, if click stop sound crappy
 > >
 > >  -------------
 >
 > Expected.
 >
 > >  kenv hint.pcm.0.dac="4"
 > >  kldload snd_maestro3
 > >
 > >  pcm0: detached
 > >  pcm0: <ESS Technology Maestro3> port 0xec00-0xecff mem
 > >  0xf8ffe000-0xf8ffffff irq 5 at device 3.0 on pci2
 > >  pcm0: <SigmaTel STAC9721/23 AC97 Codec>
 > >  pcm0:play:0:dsp0.0: play interrupt timeout, channel dead
 > >
 > >  play 2 copy xmms but, if click stop sound crappy
 > >
 > >  On this settings multiple playback streams not run.
 > >  I don't test recording, and full-duplex.
 > >  Previous version run better.
 > >
 > Expected.
 >
 > This version is much better than the previous one since you can
 > configure total number of DAC. Since yours cannot operate more than 1
 > DAC, dac=1 works flawlessly at the cost of enabling vchan (which is
 > good).
 >
 >
 > --
 > Ariff Abdullah
 > FreeBSD
 >
 > ... Recording in stereo is obviously too advanced
 >     and confusing for us idiot ***** users :P ........
 >
 
 vchan i had enabled:
 
 cat /etc/sysctl.conf;
 
 hw.snd.pcm0.vchans=4
 hw.snd.maxautovchans=4
 
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 2007/3/6, Ariff Abdullah &lt;<a href="mailto:ariff@freebsd.org">ariff@freebsd.org</a>&gt;:<br>&gt; On Tue, 6 Mar 2007 15:20:07 GMT<br>&gt; Marcin &lt;<a href="mailto:hybridx87@gmail.com">hybridx87@gmail.com</a>&gt; wrote:<br>
 &gt; &gt;<br>&gt; &gt;&nbsp;&nbsp;kenv hint.pcm.0.dac=&quot;1&quot;<br>&gt; &gt;&nbsp;&nbsp;kldload snd_maestro3<br>&gt; &gt;&nbsp;&nbsp;link_elf_lookup_symbol: missing symbol hash table<br>&gt; &gt;&nbsp;&nbsp;link_elf_lookup_symbol: missing symbol hash table<br>
 &gt; <br>&gt; I don&#39;t know what is going on. Your sources probably screwed. Please<br>&gt; recompile everything, just to be sure. It probably harmless, for now.<br>&gt; <br>&gt; [continue..]<br>&gt; <br>&gt; &gt;&nbsp;&nbsp;pcm0: &lt;ESS Technology Maestro3&gt; port 0xec00-0xecff mem
 <br>&gt; &gt;&nbsp;&nbsp;0xf8ffe000-0xf8ffffff irq 5 at device 3.0 on pci2<br>&gt; &gt;&nbsp;&nbsp;pcm0: &lt;SigmaTel STAC9721/23 AC97 Codec&gt;<br>&gt; &gt;<br>&gt; &gt;&nbsp;&nbsp;ONLY one xmms play, if run secend - xmms show error<br>&gt; &gt;&nbsp;&nbsp;-------------
 <br>&gt; <br>&gt; Please enable vchans. Make sure hw.snd.maxautovchans=&lt;greater than 0&gt;<br>&gt; and hw.snd.pcm0.vchans=&lt;greater than 0&gt; (on -current, this should be<br>&gt; dev.pcm.0.vchans). Try again (remember that 
 hint.pcm.0.dac=&quot;1&quot;).<br>&gt; <br>&gt; &gt;&nbsp;&nbsp;kenv hint.pcm.0.dac=&quot;2&quot;<br>&gt; &gt;&nbsp;&nbsp;kldload snd_maestro3<br>&gt; &gt;<br>&gt; &gt;&nbsp;&nbsp;pcm0: detached<br>&gt; &gt;&nbsp;&nbsp;pcm0: &lt;ESS Technology Maestro3&gt; port 0xec00-0xecff mem
 <br>&gt; &gt;&nbsp;&nbsp;0xf8ffe000-0xf8ffffff irq 5 at device 3.0 on pci2<br>&gt; &gt;&nbsp;&nbsp;pcm0: &lt;SigmaTel STAC9721/23 AC97 Codec&gt;<br>&gt; &gt;&nbsp;&nbsp;pcm0: detached<br>&gt; &gt;&nbsp;&nbsp;pcm0: &lt;ESS Technology Maestro3&gt; port 0xec00-0xecff mem
 <br>&gt; &gt;&nbsp;&nbsp;0xf8ffe000-0xf8ffffff irq 5 at device 3.0 on pci2<br>&gt; &gt;&nbsp;&nbsp;pcm0: &lt;SigmaTel STAC9721/23 AC97 Codec&gt;<br>&gt; &gt;&nbsp;&nbsp;pcm0:play:1:dsp0.1: play interrupt timeout, channel dead<br>&gt; &gt;&nbsp;&nbsp;pcm0:play:0:
 dsp0.0: play interrupt timeout, channel dead<br>&gt; &gt;<br>&gt; &gt;&nbsp;&nbsp;play 2 copy xmms but, if click stop sound crappy<br>&gt; &gt;<br>&gt; &gt;&nbsp;&nbsp;-------------<br>&gt; <br>&gt; Expected.<br>&gt; <br>&gt; &gt;&nbsp;&nbsp;kenv hint.pcm.0.dac=
 &quot;3&quot;<br>&gt; &gt;&nbsp;&nbsp;kldload snd_maestro3<br>&gt; &gt;<br>&gt; &gt;&nbsp;&nbsp;pcm0: detached<br>&gt; &gt;&nbsp;&nbsp;pcm0: &lt;ESS Technology Maestro3&gt; port 0xec00-0xecff mem<br>&gt; &gt;&nbsp;&nbsp;0xf8ffe000-0xf8ffffff irq 5 at device 3.0
  on pci2<br>&gt; &gt;&nbsp;&nbsp;pcm0: &lt;SigmaTel STAC9721/23 AC97 Codec&gt;<br>&gt; &gt;&nbsp;&nbsp;pcm0:play:0:dsp0.0: play interrupt timeout, channel dead<br>&gt; &gt;<br>&gt; &gt;&nbsp;&nbsp;play 2 copy xmms but, if click stop sound crappy<br>&gt; &gt;
 <br>&gt; &gt;&nbsp;&nbsp;-------------<br>&gt; <br>&gt; Expected.<br>&gt; <br>&gt; &gt;&nbsp;&nbsp;kenv hint.pcm.0.dac=&quot;4&quot;<br>&gt; &gt;&nbsp;&nbsp;kldload snd_maestro3<br>&gt; &gt;<br>&gt; &gt;&nbsp;&nbsp;pcm0: detached<br>&gt; &gt;&nbsp;&nbsp;pcm0: &lt;ESS Technology Maestro3&gt; port 0xec00-0xecff mem
 <br>&gt; &gt;&nbsp;&nbsp;0xf8ffe000-0xf8ffffff irq 5 at device 3.0 on pci2<br>&gt; &gt;&nbsp;&nbsp;pcm0: &lt;SigmaTel STAC9721/23 AC97 Codec&gt;<br>&gt; &gt;&nbsp;&nbsp;pcm0:play:0:dsp0.0: play interrupt timeout, channel dead<br>&gt; &gt;<br>&gt; &gt;&nbsp;&nbsp;play 2 copy xmms but, if click stop sound crappy
 <br>&gt; &gt;<br>&gt; &gt;&nbsp;&nbsp;On this settings multiple playback streams not run.<br>&gt; &gt;&nbsp;&nbsp;I don&#39;t test recording, and full-duplex.<br>&gt; &gt;&nbsp;&nbsp;Previous version run better.<br>&gt; &gt;<br>&gt; Expected.<br>&gt; 
 <br>&gt; This version is much better than the previous one since you can<br>&gt; configure total number of DAC. Since yours cannot operate more than 1<br>&gt; DAC, dac=1 works flawlessly at the cost of enabling vchan (which is
 <br>&gt; good).<br>&gt; <br>&gt; <br>&gt; --<br>&gt; Ariff Abdullah<br>&gt; FreeBSD<br>&gt; <br>&gt; ... Recording in stereo is obviously too advanced<br>&gt;&nbsp;&nbsp;&nbsp;&nbsp; and confusing for us idiot ***** users :P ........<br>&gt; 
 <br><br>vchan i had enabled:<br><br>cat /etc/sysctl.conf;<br><br>hw.snd.pcm0.vchans=4<br>hw.snd.maxautovchans=4<br>
 
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From: Ariff Abdullah <ariff@FreeBSD.org>
To: Marcin <hybridx87@gmail.com>
Cc: bug-followup@freebsd.org
Subject: Re: kern/109791: [sound] bad sound with maestro3 sound card
Date: Wed, 7 Mar 2007 00:29:41 +0800

 On Tue, 6 Mar 2007 16:20:14 GMT
 Marcin <hybridx87@gmail.com> wrote:
 
 >  
 >  vchan i had enabled:
 >  
 >  cat /etc/sysctl.conf;
 >  
 >  hw.snd.pcm0.vchans=4
 >  hw.snd.maxautovchans=4
 >  
 
 What matters is the output of "sysctl hw.snd". Double check on that,
 and please enable it (make it "4" or more).
 
 
 
 --
 Ariff Abdullah
 FreeBSD
 
 ... Recording in stereo is obviously too advanced
     and confusing for us idiot ***** users :P ........

From: Marcin <hybridx87@gmail.com>
To: bug-followup@FreeBSD.org
Cc:  
Subject: Re: kern/109791: [sound] bad sound with maestro3 sound card
Date: Tue, 6 Mar 2007 18:08:19 +0100

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 Ok, Please look this;
 
 myBox# kenv hint.pcm.0.dac="4" (or kenv hint.pcm.0.dac="3" and kenv
 hint.pcm.0.dac="2")
 hint.pcm.0.dac="4"
 myBox# kldload snd_maestro3
 pcm0: <ESS Technology Maestro3> port 0xec00-0xecff mem 0xf8ffe000-0xf8ffffff
 irq 5 at device 3.0 on pci2
 pcm0: <SigmaTel STAC9721/23 AC97 Codec>
 myBox# sysctl hw.snd.pcm0.vchans=4
 hw.snd.pcm0.vchans: 0 -> 4
 myBox# sysctl hw.snd.maxautovchans=4
 hw.snd.maxautovchans: 0 -> 4
 
 run 2 copy xmms...
 
 but still error:
 
 pcm0:play:2:dsp0.2: play interrupt timeout, channel dead
 
 ---
 
 Multiple playback streams only work with;
 
 kenv hint.pcm.0.dac="1"
 
 ---
 
 > link_elf_lookup_symbol: missing symbol hash table
 
 i don't know why, but now i don't see this error..
 
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 Ok, Please look this;<br><br>myBox# kenv hint.pcm.0.dac=&quot;4&quot; (or kenv hint.pcm.0.dac=&quot;3&quot; and kenv hint.pcm.0.dac=&quot;2&quot;)<br>hint.pcm.0.dac=&quot;4&quot;<br>myBox# kldload snd_maestro3<br>pcm0: &lt;ESS Technology Maestro3&gt; port 0xec00-0xecff mem 0xf8ffe000-0xf8ffffff irq 5 at device 
 3.0 on pci2<br>
 pcm0: &lt;SigmaTel STAC9721/23 AC97 Codec&gt;<br>myBox# sysctl hw.snd.pcm0.vchans=4<br>hw.snd.pcm0.vchans: 0 -&gt; 4<br>myBox# sysctl hw.snd.maxautovchans=4<br>hw.snd.maxautovchans: 0 -&gt; 4<br><br>run 2 copy xmms...<br>
 <br>but still error:<br><br>pcm0:play:2:dsp0.2: play interrupt timeout, channel dead<br><br>---<br><br>Multiple playback streams only work with; <br><br>kenv hint.pcm.0.dac=&quot;1&quot;<br><br>---<br><br>&gt; link_elf_lookup_symbol: missing symbol hash table
 <br><br>i don&#39;t know why, but now i don&#39;t see this error..
 
 ------=_Part_150839_6698590.1173200899647--

From: Ariff Abdullah <ariff@FreeBSD.org>
To: Marcin <hybridx87@gmail.com>
Cc: bug-followup@FreeBSD.org
Subject: Re: kern/109791: [sound] bad sound with maestro3 sound card
Date: Wed, 7 Mar 2007 01:37:18 +0800

 On Tue, 6 Mar 2007 17:10:18 GMT
 Marcin <hybridx87@gmail.com> wrote:
 >  
 >  Multiple playback streams only work with;
 >  
 >  kenv hint.pcm.0.dac="1"
 >  
 
 Good enough. Please unset that variable (kenv -u ..) , grab
 
 http://people.freebsd.org/~ariff/test/maestro3.c
 
 It should work out of the box provided that vchan is enabled. I'll
 commit / fix this sooner.
 
 
 --
 Ariff Abdullah
 FreeBSD
 
 ... Recording in stereo is obviously too advanced
     and confusing for us idiot ***** users :P ........

From: Marcin <hybridx87@gmail.com>
To: bug-followup@FreeBSD.org
Cc:  
Subject: Re: kern/109791: [sound] bad sound with maestro3 sound card
Date: Tue, 6 Mar 2007 20:17:23 +0100

 I recompile driver and unset variable (in kenv), and now work fine;
 
 I run two copy xmms and nice play music, but if aditional i have use
 totem (or any esound apps);
 
 pcm0: <ESS Technology Maestro3> port 0xec00-0xecff mem
 0xf8ffe000-0xf8ffffff irq 5 at device 3.0 on pci2
 pcm0: <SigmaTel STAC9721/23 AC97 Codec>
 pcm0:play:1:dsp0.1: play interrupt timeout, channel dead
 pcm0:play:3:dsp0.3: play interrupt timeout, channel dead
 pcm0:play:2:dsp0.2: play interrupt timeout, channel dead
 
 my sysctl show:
 
 sysctl -a | grep snd
 hw.snd.report_soft_formats: 1
 hw.snd.targetirqrate: 32
 hw.snd.verbose: 1
 hw.snd.maxautovchans: 4
 hw.snd.unit: 0
 hw.snd.pcm0.buffersize: 4096
 hw.snd.pcm0.vchans: 4
 hw.snd.pcm0.hwvol_step: 5
 hw.snd.pcm0.hwvol_mixer: vol

From: Marcin <hybridx87@gmail.com>
To: bug-followup@freebsd.org
Cc:  
Subject: re: kern/109791: [sound] bad sound with maestro3 sound card
Date: Tue, 6 Mar 2007 20:22:51 +0100

 Upss, sorry not run this two copy xmms

From: Ariff Abdullah <ariff@FreeBSD.org>
To: Marcin <hybridx87@gmail.com>
Cc: bug-followup@freebsd.org
Subject: Re: kern/109791: [sound] bad sound with maestro3 sound card
Date: Wed, 7 Mar 2007 08:17:22 +0800

 On Tue, 6 Mar 2007 19:30:13 GMT
 Marcin <hybridx87@gmail.com> wrote:
 > 
 >  Upss, sorry not run this two copy xmms
 > 
 
 I assume everything is working fine. Any objection if I close this PR?
 If there are any problems, send the output of "cat /dev/sndstat" along
 with "sysctl hw.snd".
 
 
 --
 Ariff Abdullah
 FreeBSD
 
 ... Recording in stereo is obviously too advanced
     and confusing for us idiot ***** users :P ........

From: Marcin <hybridx87@gmail.com>
To: bug-followup@FreeBSD.org
Cc:  
Subject: Re: kern/109791: [sound] bad sound with maestro3 sound card
Date: Wed, 7 Mar 2007 15:40:41 +0100

 You didn't understand me (i know my english is bad). I probably forget
 reboot computer (after install new kernel), after writing
 "snd_maestro3_load="YES "" in "/boot/loader.conf" and reboot. Gnome
 Setting Deamon - don't start, only show error; " Message did not
 receive a reply (timeout by message bus)", and if run 2 copy xmms,
 sound is bad, on tty is;
 
 pcm0:play:2:dsp0.2: play interrupt timeout, channel dead
 
 # sysctl -a | grep snd
 hw.snd.report_soft_formats: 1
 hw.snd.targetirqrate: 32
 hw.snd.verbose: 1
 hw.snd.maxautovchans: 4
 hw.snd.unit: 0
 hw.snd.pcm0.buffersize: 4096
 hw.snd.pcm0.vchans: 4
 hw.snd.pcm0.hwvol_step: 5
 hw.snd.pcm0.hwvol_mixer: vol
 
 # cat /dev/sndstat
 FreeBSD Audio Driver (newpcm)
 Installed devices:
 pcm0: <ESS Technology Maestro3> at io 0xec00 irq 5 kld snd_maestro3
 (4p/1r/4v channels duplex default)

From: Ariff Abdullah <ariff@FreeBSD.org>
To: Marcin <hybridx87@gmail.com>
Cc: bug-followup@FreeBSD.org
Subject: Re: kern/109791: [sound] bad sound with maestro3 sound card
Date: Wed, 7 Mar 2007 23:10:41 +0800

 On Wed, 7 Mar 2007 14:50:10 GMT
 Marcin <hybridx87@gmail.com> wrote:
 >
 >  # cat /dev/sndstat
 >  FreeBSD Audio Driver (newpcm)
 >  Installed devices:
 >  pcm0: <ESS Technology Maestro3> at io 0xec00 irq 5 kld snd_maestro3
 >  (4p/1r/4v channels duplex default)
     ^
     |
     +--- ? (should be "1", even without .dac="1")
 
 Ok, something is derailed. Show me the output of
 pciconf -lv | grep ^pcm
 
 
 --
 Ariff Abdullah
 FreeBSD
 
 ... Recording in stereo is obviously too advanced
     and confusing for us idiot ***** users :P ........

From: Marcin <hybridx87@gmail.com>
To: bug-followup@FreeBSD.org
Cc:  
Subject: Re: kern/109791: [sound] bad sound with maestro3 sound card
Date: Wed, 7 Mar 2007 16:29:23 +0100

 # pciconf -lv | grep ^pcm
 pcm0@pci2:3:0:  class=0x040100 card=0x00e51028 chip=0x1998125d rev=0x10 hdr=0x00

From: Ariff Abdullah <ariff@FreeBSD.org>
To: Marcin <hybridx87@gmail.com>
Cc: bug-followup@FreeBSD.org
Subject: Re: kern/109791: [sound] bad sound with maestro3 sound card
Date: Wed, 7 Mar 2007 23:51:16 +0800

 On Wed, 7 Mar 2007 15:30:18 GMT
 Marcin <hybridx87@gmail.com> wrote:
 > 
 >  # pciconf -lv | grep ^pcm
 >  pcm0@pci2:3:0:  class=0x040100 card=0x00e51028 chip=0x1998125d
 >  rev=0x10 hdr=0x00
 > 
 
 That is strange. Are you sure you're using the correct maestro3.c?
 Grab http://people.freebsd.org/~ariff/test/maestro3.c again, and pay
 attention on any "Maestro3 PCI subdev..." kernel/console message. Make
 sure to unset hint.pcm.0.dac before reloading the module.
 
 MD5 (maestro3.c) = 9985d4ab14790ed3eaf94def84e76ef6
 
 
 --
 Ariff Abdullah
 FreeBSD
 
 ... Recording in stereo is obviously too advanced
     and confusing for us idiot ***** users :P ........

From: Marcin <hybridx87@gmail.com>
To: bug-followup@FreeBSD.org
Cc:  
Subject: Re: kern/109791: [sound] bad sound with maestro3 sound card
Date: Wed, 7 Mar 2007 19:21:43 +0100

 MD5 sum is ok
 
 myBox# unset hint.pcm.0.dac
 myBox# kldload snd_maestro3
 myBox# sysctl hw.snd.maxautovchans=4
 hw.snd.maxautovchans: 0 -> 4
 myBox# sysctl hw.snd.pcm0.vchans=4
 hw.snd.pcm0.vchans: 1 -> 4
 myBox# pciconf -lv | grep ^pcm
 pcm0@pci2:3:0:  class=0x040100 card=0x00e51028 chip=0x1998125d rev=0x10 hdr=0x00
 myBox# cat /dev/sndstat
 FreeBSD Audio Driver (newpcm)
 Installed devices:
 pcm0: <ESS Technology Maestro3> at io 0xec00 irq 5 kld snd_maestro3
 (1p/1r/4v channels duplex default)
 
 tty0 show;
 
 pcm0: <ESS Technology Maestro3> port 0xec00-0xecff mem
 0xf8ffe000-0xf8ffffff irq 5 at device 3.0 on pci2
 pcm0: Maestro3 PCI subdev=0x00e51028 dac=1 adc=1
 pcm0: <SigmaTel STAC9721/23 AC97 Codec>
 
 Play perfect (2 copy XMMS), only gnome-settings-daemon still don't
 start (i don't know why, but if i dont load snd_maestro3 module,
 gnome-settings-daemon start and run nice). And..
 
 ---
 
 ..How I am talking on skype, I can't hear this person but he can hear me.
 tty0;
 
 pcm0:virtual:2:dsp0.4: play interrupt timeout, channel dead
 pcm0:virtual:1:dsp0.3: play interrupt timeout, channel dead
 pcm0:virtual:1:dsp0.3: play interrupt timeout, channel dead
 pcm0:virtual:1:dsp0.3: play interrupt timeout, channel dead
 pcm0:virtual:1:dsp0.3: play interrupt timeout, channel dead
State-Changed-From-To: open->patched 
State-Changed-By: ariff 
State-Changed-When: Fri Mar 9 05:35:41 UTC 2007 
State-Changed-Why:  
Fix committed, MFC in 3 days. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=109791 

From: dfilter@FreeBSD.ORG (dfilter service)
To: bug-followup@FreeBSD.org
Cc:  
Subject: Re: kern/109791: commit references a PR
Date: Fri,  9 Mar 2007 05:35:27 +0000 (UTC)

 ariff       2007-03-09 05:35:20 UTC
 
   FreeBSD src repository
 
   Modified files:
     sys/dev/sound/pci    maestro3.c 
   Log:
   Fix long standing multi playback/recording issues, caused by
   excessive interrupt clock timer reset, screwing interrupt generation
   for already active channels. Track moving DMA pointer and call buffer
   interrupt on each blocksize boundary.
   
   PR:             kern/109791
   MFC after:      3 days
   
   Revision  Changes    Path
   1.31      +134 -42   src/sys/dev/sound/pci/maestro3.c
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State-Changed-From-To: patched->closed 
State-Changed-By: ariff 
State-Changed-When: Mon Mar 12 02:04:49 UTC 2007 
State-Changed-Why:  
Fix committed. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=109791 

From: dfilter@FreeBSD.ORG (dfilter service)
To: bug-followup@FreeBSD.org
Cc:  
Subject: Re: kern/109791: commit references a PR
Date: Mon, 12 Mar 2007 02:03:32 +0000 (UTC)

 ariff       2007-03-12 02:03:25 UTC
 
   FreeBSD src repository
 
   Modified files:        (Branch: RELENG_6)
     sys/dev/sound/pci    maestro3.c 
   Log:
   MFC (revision 1.31)
   
   Fix long standing multi playback/recording issues, caused by
   excessive interrupt clock timer reset, screwing interrupt generation
   for already active channels. Track moving DMA pointer and call buffer
   interrupt on each blocksize boundary.
   
   PR:             kern/109791
   
   Revision  Changes    Path
   1.28.2.2  +134 -42   src/sys/dev/sound/pci/maestro3.c
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>Unformatted:
