Interesting to read that you moved /tmp to RAM on ubuntu. Slightly
off-topic, but can you give a brief description how you did that so that
I can try if that really speeds things up?
best regards,
jens
Juergen Lennefer schrieb:
Hi OttoM,
this hints was the point. Maybe I was not accurate enough with testing
the mount options. Now it works, the sound is back:
juergen@svr:~$ utaudio
/tmp/SUNWut/dev/utaudio/utdsp-1
juergen@svr:~$ /bin/ls -l /tmp/SUNWut/dev/utaudio/utdsp*
crw------- 1 juergen lennefer 14, 3 Aug 4 19:00
/tmp/SUNWut/dev/utaudio/utdsp-0
prw------- 1 juergen lennefer 0 Aug 4 19:00
/tmp/SUNWut/dev/utaudio/utdsp-0stat
crw------- 1 juergen lennefer 14, 3 Aug 5 08:47
/tmp/SUNWut/dev/utaudio/utdsp-1
prw------- 1 juergen lennefer 0 Aug 5 08:47
/tmp/SUNWut/dev/utaudio/utdsp-1stat
crw------- 1 vera lennefer 14, 3 Aug 5 08:48
/tmp/SUNWut/dev/utaudio/utdsp-2
prw------- 1 vera lennefer 0 Aug 5 08:48
/tmp/SUNWut/dev/utaudio/utdsp-2stat
The new devices from this morning are ok.
Many thanks.
Cheers,
Juergen
On 08/04/11 18:22 ottomeister wrote:
On Wed, Aug 3, 2011 at 11:54 AM, JuergenL<[email protected]> wrote:
The session works ok, but no sound. The file mentioned is there and has
the correct rights and owner:
# ls -l /tmp/SUNWut/dev/utaudio/utdsp-0
crw------- 1 vera lennefer 14, 3 Aug 3 20:51
/tmp/SUNWut/dev/utaudio/utdsp-0
Notice that this is a character device special node, as indicated by the
'c' in the first column.
/tmp is typically mounted with options "nodev,nosuid,mode=1777,size=6G".
I tested without "nodev" and also without "nosuid", no success.
You'll absolutely have to get rid of the 'nodev'. Are you certain that your
test without 'nodev' was correct? Did 'mount' show that the 'nodev'
option had disappeared after you forced a remount to put that change
into effect?
Did you try creating and using a new device after the filesystem had
mounted without 'nodev'? (Just in case the original one has
somehow been "tainted". I've no idea whether that happens, but
making a new device is an easy experiment, just run 'utaudio' and
collect the new device name from its output.)
OttoM.
__
Disclaimer: I am employed by Oracle. The statements and opinions
expressed here are my own and do not necessarily represent those
of Oracle Corporation.
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Dr. Jens Langner Ph: +49-351-2602757
Helmholtz-Zentrum Dresden-Rossendorf
Institute of Radiopharmacy - PET Center [email protected]
Germany http://www.hzdr.de/
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