I recognized, I got the same problem. Still no idea for the reason?
2009/6/3 Bjorn Helgaas <[email protected]>
> Is there a recent guide to LTSP sound troubleshooting?
>
> My previous Ubuntu 8.04 installation on an HP dc7800 server
> with an HP t5710 client worked quite well. But after upgrading
> to 9.04, sound stopped working.
>
> When playing a youtube video in Firefox, I get about 30 seconds
> of sound, then the audio stops. No more sound until I reboot
> the thin client.
>
> I have no idea where to look. Here are some random things I've
> looked at based on what few troubleshooting hints I've found:
>
> server$ cat /var/lib/tftpboot/ltsp/i386/lts.conf
> [default]
> LDM_DIRECTX = True
> server$ echo $PULSE_SERVER
> tcp:192.168.1.250:4713
> server$ grep -i audio .xsession-errors
> ALSA lib pulse.c:272:(pulse_connect) PulseAudio: Unable to connect:
> Connection refused
> server$ ps auxww | grep -i ltsp
> nobody 6877 0.0 0.0 4024 596 ? Ss May14 0:00 /bin/sh
> /usr/sbin/nbdrootd /opt/ltsp/images/i386.img
> nobody 6878 0.0 0.0 9988 1208 ? S May14 0:00 nbd-server
> 0 /opt/ltsp/images/i386.img -r -C /dev/null
> nobody 16640 0.0 0.0 4024 596 ? Ss 21:53 0:00 /bin/sh
> /usr/sbin/nbdrootd /opt/ltsp/images/i386.img
> nobody 16641 0.0 0.0 9988 1220 ? S 21:53 0:00 nbd-server
> 0 /opt/ltsp/images/i386.img -r -C /dev/null
> bjorn 16657 0.0 0.0 10832 1656 pts/0 S<s 21:54 0:00 bash -c
> echo LTSPROCKS; /bin/sh -
> bjorn 16672 0.0 0.0 10832 1652 ? S<s 21:54 0:00 bash -c
> LTSP_CLIENT=192.168.1.250 DISPLAY=192.168.1.250:7 PULSE_SERVER=tcp:
> 192.168.1.250:4713 ESPEAKER=192.168.1.250:16001 /etc/X11/Xsession
> /usr/bin/startkde < /dev/null > /dev/null ; /usr/sbin/ltspfsmounter all
> cleanup
> bjorn 18059 0.0 0.0 7528 992 pts/6 S<+ 22:25 0:00 grep -i
> ltsp
> dhcpd 26594 0.0 0.0 17776 3672 ? S<s May27 0:00
> /usr/sbin/dhcpd3 -q -pf /var/run/dhcp3-server/dhcpd.pid -cf
> /etc/ltsp/dhcpd.conf
>
> client$ ps auxww | grep 'ssh '
> root 3910 0.0 0.2 5148 2244 pts/0 Ss+ 20:13 0:00 ssh -Y -t
> -M -S /var/run/ldm_socket_3818_192.168.1.2 -o NumberOfPasswordPrompts=1
> [email protected] echo LTSPROCKS; /bin/sh -
> root 4905 0.0 0.1 5148 1824 tty7 S 20:13 0:00 ssh -Y -t
> -S /var/run/ldm_socket_3818_192.168.1.2 -l bjorn 192.168.1.2
> LTSP_CLIENT=192.168.1.250 DISPLAY=192.168.1.250:7 PULSE_SERVER=tcp:
> 192.168.1.250:4713 ESPEAKER=192.168.1.250:16001 /etc/X11/Xsession
> /usr/bin/startkde < /dev/null > /dev/null ; /usr/sbin/ltspfsmounter all
> cleanup
>
>
> ------------------------------------------------------------------------------
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> For additional LTSP help, try #ltsp channel on irc.freenode.net
>
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