ok I really don't know.
I still get choppy sound even when the cpu is nearly idle. (see top
output below while on choppy call)
here is a recording of the choppyness:
http://www.timwise.co.uk/om/choppy-shr.ogg
top - 01:00:26 up 26 min, 1 user, load average: 0.47, 0.40, 0.79
Tasks: 65 total, 1 running, 64 sleeping, 0 stopped, 0 zombie
Cpu(s): 17.7%us, 15.3%sy, 0.0%ni, 66.4%id, 0.0%wa, 0.0%hi, 0.6%si,
0.0%st
Mem: 121076k total, 102280k used, 18796k free, 7608k buffers
Swap: 50392k total, 0k used, 50392k free, 37764k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+
COMMAND
1706 root 20 0 18456 9800 5116 S 9.2 8.1 0:17.90
phoneuid
1868 root 20 0 2200 1092 864 R 4.8 0.9 0:23.82
top
1681 root 19 -1 15432 5812 2660 S 3.0 4.8 0:15.78
Xorg
1548 root 20 0 3740 1924 1560 S 2.4 1.6 0:18.62
sshd
1631 root 20 0 3588 1076 704 S 1.5 0.9 0:09.33
screen
1707 root 10 -10 23264 12m 6916 S 0.3 10.5 0:21.40
enlightenment
1 root 20 0 1496 556 492 S 0.0 0.5 0:06.80
init
Tim Abell
Tim Abell wrote:
Ok, could be down to process priorities.
I just had cron run at 95% cpu for an extended time (no idea why), and
called my voicemail, sound was really choppy. Reniced cron to +1, and
re-ran the call, and it was crystal clear.
I then ran an install with opkg (opkg install lsof), which used a lot
of cpu, and made another call to voicemail while that was running, got
the choppy call quality again.
So could it be that the programs that handle the call are not getting
sufficient nice priority?
Tim
Tim Abell wrote:
Thanks for your reply,
I had a look at what you suggested, but the sound is not so much
distorted as very rapidly cutting in and out completely. It sounds to
me like something isn't keeping up. It affects both incoming and
outgoing sound.
I've made some progress in narrowing it down I think, and I think
it's to do with something in /home/root. I keep my home dir on an sd
card so I tried taking the sd card out. After this the calls appear
to be fine, and on replacing the card and making another call the
problem reappears.
I'll start pulling apart /home/root now until it goes away.
mount | grep mm
/dev/mmcblk0p1 on /media/card type ext3
(rw,errors=continue,data=ordered)
ls -l /home/root
lrwxrwxrwx 1 root root 11 Dec 27 2009 /home/root ->
/media/card
Tim
Al Johnson wrote:
The latest round of sound configs distort the sound badly on a phone
call for me, and I guess this is what you are finding too. The wiki
has a load of info about what to do:
http://wiki.openmoko.org/wiki/Neo_Freerunner_audio_subsystem
I suggest making a test call and using fso-simplemixer.py to adjust
the volumes to something that works for you, then hitting Save well
before the end of the call. It would be good to take a backup of the
config files first just in case you want to restore the original
ones. I'm not certain where they are in shr-t but in shr-u at the
moment they are in /etc/freesmartphone/conf/openmoko_gta/alsa-default.
On Saturday 20 March 2010, Tim Abell wrote:
anyone? pretty please?
it's actually worse than I thought, the person at the other end can
hardly hear me.
My freerunner is now unusable as a phone!
I ran QtMoko from an SD card, and the sound was fine under that, so
it's definitely something wrong with my shr-t install.
Tim
Tim Abell wrote:
hi,
for a few days now all calls have had badly choppy incoming sound.
outgoing sound seems ok.
can anyone help me diagnose?
it's an up to date shr-testing freerunner,
i didn't do any software updates around the time it started.
thx
tim abell
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