IRC chat logs for #ltsp on irc.freenode.net (webchat)


Channel log from 25 November 2012   (all times are UTC)

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11:39
<alkisg>
stgraber, highvoltage, mgariepy, ogra_: has anyone tried http://www.zareason.net/android/zatab/ubuntu-desktop-12.04-1-miniand.com.img.tar.gz ? Is it an Ubuntu image for the zatab?
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13:12
<TheJuror>
ello, anybody able to assist with audio/sound trouble on a thin client?
13:16
<gvy>
yesterday's with hp tc or another one?
13:19
<TheJuror>
yes, didnt get very far yesterday
13:20
I have figured out that there is indeed a diff between the sound cards of the t5570 and the t5520
13:20
<gvy>
did snd_* modules get loaded for both?
13:21
<TheJuror>
doing a lspci on the t5520 i can see that it is a Via VT8233/A/8235/8297 Audio Controller
13:21
yeh doing a lsmod I saw the modules being loaded
13:22
one moment I'll check again
13:24
yeh i see the via82xx and other modules like the ac97codecs being loaded
13:26
<gvy>
snd-via82xx that is, right?
13:27
<TheJuror>
well in lsmod i see only references to snd_via82xx
13:29
<gvy>
ok
13:29
<TheJuror>
but i recall an option in the lspci command that indeedshowed me snd-via82xx
13:30
<gvy>
np, "_" and "-" are long interchangeable there
13:30
what's up with channel levels? (alsamixer -> Master, PCM)
13:32
<TheJuror>
i can load that by simply using "alsamixer" command?
13:41
looking at the Edubuntu sound settings dialog i see something very odd... When the dialog lods, and i click on Settings, I see a new dialog with a few tabs and a volume control. The first tab "output" has aentry listed "Built in Analog Stereo".... After a few seconds it just dissappears from the list
13:43
And the little speaker top left of the Edubuntu desktop changes to a speaker with 3 dashes ---
13:43
top right.. not left
13:48
<gvy>
dunno what they did, I'd start with alsamixer on the thin client's local console
13:50
<TheJuror>
$ alsamixer
13:50
cannot open mixer: No such file or directory
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13:52
<gvy>
on both or on the problematic one?
13:52
<TheJuror>
this happens on both
13:53
cat /proc/asound/cards gives me a correct result of the card
13:53
VIA8233 etc..
13:54
and aplay -l shows me the device is listed as playback device
13:55
oh hang on.... alsamixer works from the shell
13:56
i see the levels .. Master is at 81, PCM also 81
13:56
(on the t5520) that is not working
14:00
The master MM was zero.... is that the mono perhaps (internal mono speaker on the tc?)
14:02
<gvy>
MM? try pressing "m" on that channel, might be just muted
14:03
<TheJuror>
yeh indeed MM is now also a value
14:03
<gvy>
mono is "Master M" on one of the mixers available from where I sit but there's not any hard standard I'm afraid
14:03
so it was muted. :)
14:03
<TheJuror>
ok hm
14:04
how do i save this?
14:05
<gvy>
I don't know if there are any means to manipulate mixer levels at shutdown/startup on edubuntu -- try rebooting and look if the mixer state is saved or reset
14:06
<TheJuror>
ok one moment
14:10
no its muted again..
14:11
<gvy>
then it's about either figuring out whether such a mechanism is somewhere but disabled (I'd google something like "restore alsa mixer levels")
14:12
...or implementing some yourself -- e.g. by figuring out and adding appropriate amixer call to the thin client rootfs
14:12
I'm not exactly sure how it's done on edubuntu by now, probably remaking a squashfs
14:13
<TheJuror>
ok thanks allot, i'll do a bit of googling
14:13
ok if I idle here?
14:13
<gvy>
why, I'm usually lurking either :)
14:13
welcome
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14:36
<TheJuror>
ok think i am on to something. It looks like these two tc's cannot talk to the Pulseaudio server. when in GNome. If I open up Alsamixer in Gnome it opens a dialsog with no contents.....
14:37
If i do the same with for example the Pulseaudio volume control utility it opens up and states "Establishing connection to PulseAudio. Please wait..."
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14:45* gvy is usually not that pleased to wait
14:51
<alkisg>
TheJuror: so you can hear sound locally with e.g. aplay?
14:56
<gvy>
should be more audible after unmuting, and if the sound works on a bit other hw should be working either; my guess is it's now about either proper levels init or at least proper restoration
14:57
<alkisg>
When pulseaudio doesn't see a card, or when it crashes, the sound applet volume level is zero
14:57
And not settable either - I think that's what TheJuror is seeing
15:00
<TheJuror>
yeh when I use aplay from a terminal
15:00
it crashes with a message about not finding card 0
15:01
<alkisg>
TheJuror: can you try that as root from local client shell?
15:01
!screen_02
15:01
<ltsp>
screen_02: To get a root shell on an Ubuntu thin client: https://help.ubuntu.com/community/UbuntuLTSP/ClientTroubleshooting#Using_a_shell_SCREEN
15:02
<TheJuror>
ah, from a shell the aplay works fine once I unmute using alsamixer
15:04
<alkisg>
Is pulseaudio running locally? ps aux|grep -i pulse
15:04
<TheJuror>
problem i now have is that I cannot start the Gnome session if I have set a shell screen option in lts.conf (for example SCREEN_02=shell)
15:04
<alkisg>
SCREEN_02=shell
15:04
SCREEN_07=ldm
15:05
<TheJuror>
oh do I have to specify both
15:10
ok now have shell screen sorted
15:11
yes looks like pulseis running using ps
15:11
from the shell the audio looks to work fine with aplay
15:13
but from a Gnome terminal session it complains about not finding the card
15:17
<alkisg>
TheJuror: do you have an .asoundrc or .alsarc for this user?
15:17
user@server:~$ echo .a*
15:20
<TheJuror>
echo .a* only returns one entry
15:20
.adobe
15:38
in the shell window cat /proc/asound/modules returns the soundcard fine, but the same command in a gnome terminal lists nothing....
16:05
<alkisg>
That's normal, since you're trying to see the sound cards of your server
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16:45
<alkisg>
stgraber, highvoltage, mgariepy, ogra_: after installing http://www.zareason.net/android/zatab/zatab-a-cm-10-20120713-UNOFFICIAL-zatab.zip I got an endless animated logo while the zatab boots...
16:45
Is there any key combination that would allow me to go to the recovery console and unbrick the device?
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18:26
<gvy>
alkisg, ouch :(
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18:40
<alkisg>
Yeah, sucks :-/
18:40
It was unusable with the stock ROM though, so I had to put a new one there...
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