James,
On Fri, 2008-02-15 at 07:59 -0600, James Shatto wrote:
> > $ arecord -d 10 -f S16_LE -r 48000 -c 2 -t wav -D hw:0 foobar.wav
> > Recording WAVE 'foobar.wav' : Signed 16 bit Little Endian, Rate 48000
> > Hz, Stereo
> > arecord: pcm_read:1347: read error: Input/output error
> >
> > ("-c 1" gives a different error).
>
> The I/O error is an issue. What does dmesg or other /var/log/ areas
> say about the error?
I tailed /var/log/messages while I ran the arecord command (as root this
time) - didn't get anything. No other files in /var/log/ are affected.
> > (See: http://pastebin.ca/903687)
>
> Everything seems fine there, EXCEPT for the /etc/asound.conf. It
> appears to explicitly state hw:0,0, which is the playback device(and
> only playback). hw:0,1 would be recording. Or just hw:0 if you want
> both. Or I could be wrong. You might try removing / moving /
> renaming /etc/asound.conf. And also .asoundrc. To see if it works
> without any configuration.
Renamed /etc/asound.conf to .org and ran the arecord command as root -
same error.
> If it does then there's your problem. If that's the case, then
> changing hw:0,0 to hw:0 in /etc/asound.conf might be a solution.
> You're probably better off without a global conf if you're only using
> one user anyway.
>
> Other than that you appear to have some sort of hardware issue.
That's what I was thinking . .
> Given the I/O errors. Perhaps an IRQ conflict? Reminds me a little
> of the disable PnP and UPnP options in the CMOS/BIOS to get around it
> days. Might try that as well.
OK, will have a look.
> Don't fret alsamixer much. It is a bit cryptic from a first exposure
> POV. The L R stuff means that it is indeed stereo and has 2 channels.
> intel_8x0 is quite old and well supported afaik. So upgrading alsa
> versions probably wont help. hda-intel on the other hand...
>
> pciids.sf.net says those vender:device numbers correspond to:
> 8086:24d5: 82801EB/ER (ICH5/ICH5R) AC'97 Audio Controller
> although the sub-device doesn't have an entry yet.
>
> There's a dsnoop entry/option for recording devices in .asoundrc. But
> I normally don't have to specify anything there as the defaults work
> fine for me. But if you're gonna travel through google and the alsa
> wiki, dsnoop might help you narrow down what you're looking for.
dsnoop does not appear to be available, "arecord -L" does not show a
dsnoop line . . I tried creating a new .asoundrc file per:
http://alsa.opensrc.org/Dsnoop
but still get the same error . .
> I don't normally use arecord. And don't normally have any .asoundrc
> or /etc/asound.conf as long as I have a single sound card.
I am only using it to test - if this doesn't work, I presume nothing
else will . .
> I normally use audacity to record.
I've tried that - when I click the record button it hangs and has to be
killed . . at least with a CLI I can see some sort of error message . .
> Or jackd and ardour. Depending mainly on which one has a buggy
> distro/svn version on any given day. I prefer ardour, since it saves
> directly to hard drive. So I don't have to wait for 3.5 minutes for
> it to save it to the hard drive after recording for over an hour.
> Especially if I need to record again in the coming hour. I generally
> stop/start recording every hour-ish so the file sizes stay under 1GB.
> Which helps a lot come edit time. Anyway give audacity a try, if it
> works fine, then something might be out of whack in your asoundrc or
> arecord options.
It appears to be a more fundamental problem . .
> One thing just popped into my head though. Is your user in the audio
> group? groups <user> || cat /etc/group | grep -i "audio" ///
> Otherwise give arecord a try as root to see if it also errors out.
> Just a thought.
The audio group doesn't exist but the problem still exists for root so
that shouldn't matter?
Thanks,
Phil.
--
Philip Rhoades
Pricom Pty Limited (ACN 003 252 275 ABN 91 003 252 275)
GPO Box 3411
Sydney NSW 2001
Australia
Fax: +61:(0)2-8221-9599
E-mail: phil@xxxxxxxxxxxxx
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