Problem solved the .page method of the snd_pcm_ops_t struct was
missing. I simply copied it over from usbaudio.c
Markus
On 8/20/06, Markus Rechberger <mrechberger@xxxxxxxxx> wrote:
> When I try to use dmix with my driver I get a problem with my kernel...
> This only happens if I use the entry in the .asoundrc file, if I use
> hw:2,0 playback works fine without any errors.. any idea what could be
> wrong here?
>
> Syslog:
> Aug 20 09:40:56 debian kernel: ************************ OPEN
> **********************
> Aug 20 09:40:56 debian kernel: snd_au600_playback_open
> Aug 20 09:40:56 debian kernel: hwparmas format: S16_LE
> Aug 20 09:40:56 debian kernel: snd_au600_hw_playback_params
> Aug 20 09:40:56 debian kernel: snd_au600_prepare
> Aug 20 09:40:56 debian kernel: PCM PLAYBACK TRIGGER START!
> Aug 20 09:40:56 debian kernel: 1
> Aug 20 09:40:56 debian kernel: 2
> Aug 20 09:40:56 debian kernel: 4
> Aug 20 09:40:56 debian kernel: USERS: 1, ARG: 1, STATUS: 0
> Aug 20 09:40:56 debian kernel: 5
> Aug 20 09:40:56 debian kernel: au600.c: initiating IRQ
> Aug 20 09:40:56 debian kernel: 6
> Aug 20 09:40:56 debian kernel: 7
> Aug 20 09:40:56 debian kernel: 3
> -- theoretically playback should start here, but I don't even hear anything,
> -- when the file is done it starts with following entries:
> Aug 20 09:43:10 debian kernel: Bad pte = 1fc7b067, process = aplay,
> vm_flags = 800fb, vaddr = b7fcd000
> Aug 20 09:43:10 debian kernel: [vm_normal_page+67/93]
> vm_normal_page+0x43/0x5d
> Aug 20 09:43:10 debian kernel: [unmap_vmas+379/1114] unmap_vmas+0x17b/0x45a
> Aug 20 09:43:10 debian kernel: [unmap_region+119/246]
> unmap_region+0x77/0xf6
> Aug 20 09:43:10 debian kernel: [do_munmap+347/432] do_munmap+0x15b/0x1b0
> Aug 20 09:43:10 debian kernel: [sys_munmap+52/78] sys_munmap+0x34/0x4e
> Aug 20 09:43:10 debian kernel: [syscall_call+7/11] syscall_call+0x7/0xb
> Aug 20 09:43:12 debian kernel: Bad pte = 1fc7b067, process = aplay,
> vm_flags = 800fb, vaddr = b7f9b000
> Aug 20 09:43:12 debian kernel: [vm_normal_page+67/93]
> vm_normal_page+0x43/0x5d
> Aug 20 09:43:12 debian kernel: [unmap_vmas+379/1114] unmap_vmas+0x17b/0x45a
> Aug 20 09:43:12 debian kernel: [unmap_region+119/246]
> unmap_region+0x77/0xf6
> Aug 20 09:43:12 debian kernel: [do_munmap+347/432] do_munmap+0x15b/0x1b0
> Aug 20 09:43:12 debian kernel: [sys_munmap+52/78] sys_munmap+0x34/0x4e
> Aug 20 09:43:12 debian kernel: [syscall_call+7/11] syscall_call+0x7/0xb
> Aug 20 09:43:40 debian kernel: Bad pte = 1fc7b067, process = aplay,
> vm_flags = 800fb, vaddr = b7f8e000
> Aug 20 09:43:40 debian kernel: [vm_normal_page+67/93]
> vm_normal_page+0x43/0x5d
> Aug 20 09:43:40 debian kernel: [unmap_vmas+379/1114] unmap_vmas+0x17b/0x45a
> Aug 20 09:43:40 debian kernel: [unmap_region+119/246]
> unmap_region+0x77/0xf6
> Aug 20 09:43:40 debian kernel: [do_munmap+347/432] do_munmap+0x15b/0x1b0
> Aug 20 09:43:40 debian kernel: [sys_munmap+52/78] sys_munmap+0x34/0x4e
> Aug 20 09:43:40 debian kernel: [syscall_call+7/11] syscall_call+0x7/0xb
> Aug 20 09:44:29 debian kernel: Bad pte = 1fc7b067, process = aplay,
> vm_flags = 800fb, vaddr = b7fbf000
> Aug 20 09:44:29 debian kernel: [vm_normal_page+67/93]
> vm_normal_page+0x43/0x5d
> Aug 20 09:44:29 debian kernel: [unmap_vmas+379/1114] unmap_vmas+0x17b/0x45a
> Aug 20 09:44:29 debian kernel: [unmap_region+119/246]
> unmap_region+0x77/0xf6
> Aug 20 09:44:29 debian kernel: [do_munmap+347/432] do_munmap+0x15b/0x1b0
> Aug 20 09:44:29 debian kernel: [sys_munmap+52/78] sys_munmap+0x34/0x4e
> Aug 20 09:44:29 debian kernel: [syscall_call+7/11] syscall_call+0x7/0xb
> Aug 20 09:44:43 debian kernel: Bad pte = 1fc7b067, process = aplay,
> vm_flags = 800fb, vaddr = b7f92000
> Aug 20 09:44:43 debian kernel: [vm_normal_page+67/93]
> vm_normal_page+0x43/0x5d
> Aug 20 09:44:43 debian kernel: [unmap_vmas+379/1114] unmap_vmas+0x17b/0x45a
> Aug 20 09:44:43 debian kernel: [unmap_region+119/246]
> unmap_region+0x77/0xf6
> Aug 20 09:44:43 debian kernel: [do_munmap+347/432] do_munmap+0x15b/0x1b0
> Aug 20 09:44:43 debian kernel: [sys_munmap+52/78] sys_munmap+0x34/0x4e
> Aug 20 09:44:43 debian kernel: [syscall_call+7/11] syscall_call+0x7/0xb
> Aug 20 09:45:01 debian /USR/SBIN/CRON[15344]: (root) CMD ([ -x
> /usr/lib/sysstat/sa1 ] && { [ -r "$DEFAULT" ] && . "$DEFAULT" ; [
> "$ENABLED" = "true" ] && exec /usr/lib/sysstat/sa1; })
> Aug 20 09:45:09 debian kernel: Bad pte = 1fc7b067, process = aplay,
> vm_flags = 800fb, vaddr = b7f4f000
> Aug 20 09:45:09 debian kernel: [vm_normal_page+67/93]
> vm_normal_page+0x43/0x5d
> Aug 20 09:45:09 debian kernel: [unmap_vmas+379/1114] unmap_vmas+0x17b/0x45a
> Aug 20 09:45:09 debian kernel: [unmap_region+119/246]
> unmap_region+0x77/0xf6
> Aug 20 09:45:09 debian kernel: [do_munmap+347/432] do_munmap+0x15b/0x1b0
> Aug 20 09:45:09 debian kernel: [sys_munmap+52/78] sys_munmap+0x34/0x4e
> Aug 20 09:45:09 debian kernel: [syscall_call+7/11] syscall_call+0x7/0xb
> Aug 20 09:45:18 debian kernel: Bad pte = 1fc7b067, process = aplay,
> vm_flags = 800fb, vaddr = b7fd9000
> Aug 20 09:45:18 debian kernel: [vm_normal_page+67/93]
> vm_normal_page+0x43/0x5d
> Aug 20 09:45:18 debian kernel: [unmap_vmas+379/1114] unmap_vmas+0x17b/0x45a
> Aug 20 09:45:18 debian kernel: [unmap_region+119/246]
> unmap_region+0x77/0xf6
> Aug 20 09:45:18 debian kernel: [do_munmap+347/432] do_munmap+0x15b/0x1b0
> Aug 20 09:45:18 debian kernel: [sys_munmap+52/78] sys_munmap+0x34/0x4e
> Aug 20 09:45:18 debian kernel: [syscall_call+7/11] syscall_call+0x7/0xb
> Aug 20 09:47:33 debian kernel: PCM PLAYBACK TRIGGER STOP!
> Aug 20 09:47:33 debian kernel: snd_au600_hw_playback_free
> Aug 20 09:47:33 debian kernel: USERS: 1
> Aug 20 09:47:33 debian kernel: 1
> Aug 20 09:47:33 debian kernel: SWITCHING OFF STREAM!
> Aug 20 09:47:33 debian kernel: 4
> Aug 20 09:47:33 debian kernel: USERS: 0, ARG: 0, STATUS: 1
> ----
>
> afterwards I'm unable to start anything on my host anymore.
>
> ----
>
> .asoundrc
> pcm.rateconvertin {
> type dmix
> ipc_key 1024
> ipc_perm 0777
> slave {
> pcm "hw:2,0"
> period_time 0
> period_size 192
> buffer_size 384
> format S16_LE
> periods 255
> rate 9600
> }
> }
>
> ----
>
> current driver sources:
> http://kurzlink.de/0qUcA3gX8
>
> thanks,
> Markus
>
--
Markus Rechberger
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