Can you post output for your au8820 pci ssid 12eb:0001
do it support D3?
lspci -
[ 0.244875] pci :01:04.0: [12eb:0001] type 00 class 0x040100
[ 0.244898] pci :01:04.0: reg 0x10: [mem 0xfb10-0xfb11]
[ 0.244908] pci :01:04.0: reg 0x14: [io 0x2000-0x2007]
[ 0.244917] pci
[11.080876] snd_au8820 :01:04.0: init started snd_au8820 :01:04.0:
init done.
[ 11.837183] gameport gameport0: AU88x0 Gameport is pci:01:04.0/gameport0,
speed 1087kHz
in theory, you should look for au8820 in system log since those dev_info
also print the dev name
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http://mailman.alsa-project.org/pipermail/alsa-
devel/2014-September/081501.html
you can try Alexander's pcm_avail.c and post the output using your
au8820
It is rather strange that only 2 frames since dma transfer in brust
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dmesg is the command which show the system log similar to
https://launchpadlibrarian.net/243848211/CurrentDmesg.txt
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Title:
You have to recompile alsa driver by adding
if (current_ptr > runtime->buffer_size)
current_ptr = runtime->buffer_size;
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I see. Will you upload a compiled version of it for testing?
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Title:
snd_au8820 :01:04.0: BUG: , pos = 16386, buffer
The dirty hack is to ensure current_ptr is less than buffer size in the
above routine
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Title:
snd_au8820 :01:04.0: BUG:
Please bear with me. It was long ago that I was programming compiled
languages. And it was application programs simulating physical
processes. I was never near the kernel of any operating system.
I think you have to explain in a very detailed way, you you want me to
do things from source code ;-)
https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/tree/sound/pci/au88x0/au88x0_pcm.c
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Title:
snd_au8820
/* pointer callback */
static snd_pcm_uframes_t snd_vortex_pcm_pointer(struct snd_pcm_substream
*substream)
{
vortex_t *chip = snd_pcm_substream_chip(substream);
stream_t *stream = (stream_t *) substream->runtime->private_data;
int dma = stream->dma;
snd_pcm_uframes_t current_ptr = 0;
No output to /var/log/dmesg
I am listening to a broadcasting track at the same time. A minute after
this aplay test was finished, I had an new prompt to file a bug report
about a kernel oops. But there is still nothing in /var/log/dmesg
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$ while true; do aplay -D hw:CARD=au8820
System log
dmesg
Look for "virt" or "delta" when you use aplay with small period size,
the sound card has four subbuffer for each playback stream
http://www.google.com/patents/US6167465
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The wavetable is not implememted since dma since not start for au8830
card 1: au8820 [Aureal Vortex au8820], device 3: Aureal Vortex WT
[au8820 wt] Subdevices: 32/32 Subdevice #0: subdevice #0 Subdevice #1:
subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3
Subdevice #4: subdevice
Please tell me which log file I should look into (the file name of it)!
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Title:
snd_au8820 :01:04.0: BUG: , pos = 16386,
Directly at login after reboot I had many prompts to send a bug report
about kernel oops. I tried to count them. think this report is
responding to the 26th prompt to send a bug report, and a few seconds
later there was one more prompt to send a bug report.
The above event created the bug report
Correction:
2. The newer Trusty system with the 3.13.0-79-generic kernel
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Title:
snd_au8820 :01:04.0: BUG: , pos =
'How often do the message appear in system log? (BUG 16.04 or XRUN
before 14.04)
it mean the value return is larger than buffer size or the interrupt is
not handled properly'
Please tell me which log file I should look into, and which string to
look for! Maybe I can use grep.
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'You can use hwmixvolume to change the playback volume of each
application which use hw device of au8820'
I use pavucontrol, and yes, I can change the playback volume also of
each individual channel (left and right).
Do you want me to test something else?
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Last night I shut down the computer. This morning, when I cold booted it
and logged in, I was spammed with around ten prompts to file bug reports
about kernel oops (at once, not after starting any application program).
But still the audio works like it should (playing video and running your
test
https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/tree/sound/pci/au88x0/au88x0_core.c
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Title:
snd_au8820
dev_info(vortex->card->dev, "%d virt=%d, real=%d, delta=%d\n", adbdma,
dma->period_virt, dma->period_real, delta);
Do you find the above info in system log when you specify small fragment
--period-size=16 when using aplay
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How often do the message appear in system log? (BUG 16.04 or XRUN before
14.04)
it mean the value return is larger than buffer size or the interrupt is
not handled properly
static inline int vortex_adbdma_getlinearpos(vortex_t * vortex, int
adbdma) { stream_t *dma = >dma_adb[adbdma]; int temp,
http://git.alsa-project.org/?p=alsa-
tools.git;a=blob;f=hwmixvolume/README;hb=HEAD
You can use hwmixvolume to change the playback volume of each
application which use hw device of au8820
It allow up to 8 stereo streams or 16 mono streams
card 1: au8820 [Aureal Vortex au8820], device 0:
Should use au8820 instead of AU8820 when using aplay and speaker-test
Do device 3 of au8820 work or not? never work on au8830
hw:CARD=au8820,3
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aplay ./test/test0/'hello world.wav'
and
speaker-test -c2 -t wav
work correctly (through the Aureal device) without your explicit
specification.
'Front left' 'Front right' ... is put out from the correct loudspeakers
:-)
They work without 'complaints'.
But it seems that when I have the
There is a damaged onboard audio device. There is also an audio device
built into the graphics card, but I don't use hdmi.
This is the reason why I use the old Aureal Vortex 1 card (au 8820).
Could the damaged onboard audio device cause some confusion?
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These commands do not work:
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$ aplay -D hw:CARD=AU8820 ./test/test0/'hello world.wav' # which is a real
file that works with mplayer
ALSA lib pcm_hw.c:1700:(_snd_pcm_hw_open) Invalid value for card
aplay: main:722: fel vid öppning av ljud: Enheten finns inte
$ speaker-test -c2 -t wav -D
Do the message appear in every application or occur everytime when
playing sound?
aplay -D hw:CARD=AU8820 anystereo.wav
speaker-test -c2 -t wav -D hw:CARD=AU8820
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https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound/core?id=d507941beb1ef98c19e2902007aee4faf36f854f
ALSA: pcm: Correct PCM BUG error message
While converting to dev_*(), the message showing the invalid PCM
position was wrongly tagged as if an XRUN although it's actually a
Maybe I understand what you mean, but I don't know what to do :-)
Which iso file?
Ubuntu 14.04.1 LTS - trusty kernel
Ubuntu 14.04 2 LTS - utopic kernel
Ubuntu 14.04.3 LTS - vivid kernel
Ubuntu 14.04.4 LTS - wily kernel
and since I have the problem in i386 architecture I suppose I should use
the
It is not related to the above two patch if your au8820 still work
without the error on ubuntu 14.4 live cd
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https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/log/sound/pci/au88x0
Your problem is pointer callback return a value which is larger than buffer
size
If this is regression , you may need to perform git bisect to find out
the related patch
or
revert this patches
I should mention that I have installed pulseaudio and pavucontrol and
use them to manage audio. Does this make a difference concerning ALSA?
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I have been running 12.04 LTS i386 (the precise kernel series) for years
in this hp xw8400 workstation without any such problem (including
VirtualBox).
I have been running 12.04 LTS amd64 and 14.04 LTS, both i386 and amd64
(the precise kernel series) less frequently for years in this hp xw8400
** Package changed: linux (Ubuntu) => alsa-driver (Ubuntu)
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Title:
snd_au8820 :01:04.0: BUG: , pos = 16386, buffer size
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