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
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