kern/63204: [sound] /dev/mixer broken with ESS Maestro-2E (still on 5.4)

[Pyun YongHyeon]

On Tue, Dec 13, 2005 at 08:16:44PM -0500, Steven S. wrote:
 > 
 > 
 > I tried that patch and no difference.
 > 
 > if it helps here is the verbose ssndstat output
 > 
 > 
 > Installed devices:
 > pcm0: <ESS Technology Maestro-2E> port 0xfc00-0xfcff irq 11 at device 12.0 
 > on pci0 (4p/1r/4v channels duplex default)
 >         [pcm0:play:0]: spd 44100, fmt 0x10000010, flags 0x00001000, 
 > 0x00000000
 >         interrupts 0, underruns 0, ready 0
 >         {userland} -> feeder_vchan_s16(0x10000010) -> {hardware}
 >         [pcm0:play:1]: spd 44100, fmt 0x10000010, flags 0x00000000, 
 > 0x00000000
 >         interrupts 0, underruns 0, ready 0
 >         {userland} -> feeder_root(0x10000010) -> {hardware}
 >         [pcm0:play:2]: spd 0, fmt 0x00000000/0x00000008, flags 0x00000000, 
 > 0x00000000
 >         interrupts 0, underruns 0, ready 0
 >         {userland} -> feeder_root(0x00000000) -> {hardware}
 >         [pcm0:play:3]: spd 0, fmt 0x00000000/0x00000008, flags 0x00000000, 
 > 0x00000000
 >         interrupts 0, underruns 0, ready 0
 >         {userland} -> feeder_root(0x00000000) -> {hardware}
 >         [pcm0:record:0]: spd 0, fmt 0x00000000/0x00000008, flags 
 > 0x00000000, 0x00000000
 >         interrupts 0, overruns 0, hfree 16384, sfree 0
 >         {hardware} -> feeder_root(0x00000000) -> {userland}
 >         pcm0:play:0[pcm0:virtual:0]: spd 0, fmt 0x00000000/0x00000008, 
 > flags 0x10000000, 0x00000000
 >         interrupts 0, underruns 0, ready 0
 >         {userland} -> feeder_root(0x00000000) -> {hardware}
 >         pcm0:play:0[pcm0:virtual:1]: spd 0, fmt 0x00000000/0x00000008, 
 > flags 0x10000000, 0x00000000
 >         interrupts 0, underruns 0, ready 0
 >        {userland} -> feeder_root(0x00000000) -> {hardware}
 >         pcm0:play:0[pcm0:virtual:2]: spd 0, fmt 0x00000000/0x00000008, 
 > flags 0x10000000, 0x00000000
 >         interrupts 0, underruns 0, ready 0
 >         {userland} -> feeder_root(0x00000000) -> {hardware}
 >         pcm0:play:0[pcm0:virtual:3]: spd 0, fmt 0x00000000/0x00000008, 
 > flags 0x10000000, 0x00000000
 >         interrupts 0, underruns 0, ready 0
 >         {userland} -> feeder_root(0x00000000) -> {hardware}
 > 
 > nothing else changed in dmesg or mixer
 > 

Then I have no idea as my system works here. It seems it would be
difficult to fix the problem without accessing the hardware. :-(
How about setting hw.pci.enable_io_modes=0 or disabling ACPI in
loader.conf?

Maybe ariff@ has better idea.(CCed)
-- 
Regards,
Pyun YongHyeon