[mythtv-users] Help Diskless frontend
Ben Dash
ben_dash at yahoo.com
Sat Nov 5 00:03:59 EST 2005
Could someone please share their fstab for their
diskless frontend that is working?
I found that my diskless xBox is stuttering a little
although CPU usage is only ~50%. The 766mhz PIII
PVR250 backend is fine, and is able to broadcast
stutter free to my wife's 1Ghz PIII with only 0.3% CPU
usage while the xBox continues to stutter.
Since the CPU usage is relatively low on the xBox I am
wondering if the problem could be the MFS root mount:
xbox ~ # cat /etc/fstab
# <fs> <mountpoint> <type>
<opts> <dump/pass>
192.168.0.1:/mnt/data/xbox / nfs
rw,sync,hard,intr,nolock,nfsvers=2
0 0
/dev/hda50 /mnt/fatx/E fatx
defaults 0 0
/mnt/fatx/E/linuxswap none swap
sw 0 0
/dev/cdroms/cdrom0 /mnt/cdrom iso9660
noauto,ro 0 0
proc /proc proc
defaults 0 0
#network nfs volumes
192.168.0.1:/mnt/data/music /mnt/music nfs
noauto,ro,users,nolock,nfsvers=2 0 0
I notice that the memory usage is close to full, at
118MB or 122MB. It seems like there are several big
mythfrontend processes:
xbox ~ # ps -ef |grep myth
root 6252 1 0 16:56 ? 00:00:00 login
-- mythtv
mythtv 6258 6252 0 16:56 tty1 00:00:00 -bash
mythtv 6265 6258 0 16:56 tty1 00:00:00
/bin/sh /usr/bin/startx
mythtv 6278 6265 0 16:56 tty1 00:00:00 xinit
/home/mythtv/.xinitrc -- -nolisten tcp -br
-deferglyphs 16
mythtv 6281 6278 0 16:56 tty1 00:00:00 xclock
-digital -padding 2 -g -0+0
mythtv 6284 6281 0 16:56 tty1 00:00:00
/usr/bin/evilwm -snap 6 -bw 0
mythtv 6289 6281 0 16:56 tty1 00:03:06
mythfrontend
mythtv 6290 6289 0 16:57 tty1 00:00:00
mythfrontend
mythtv 6291 6290 0 16:57 tty1 00:00:00
mythfrontend
mythtv 6745 6290 0 21:30 tty1 00:00:05
mythfrontend
mythtv 6746 6290 34 21:30 tty1 00:29:46
mythfrontend
mythtv 6747 6290 1 21:30 tty1 00:00:58
mythfrontend
mythtv 6749 6290 0 21:30 tty1 00:00:12
mythfrontend
mythtv 6750 6290 0 21:30 tty1 00:00:35
mythfrontend
root 6751 6201 0 21:37 ? 00:00:00 sshd:
mythtv [priv]
mythtv 6754 6751 0 21:37 ? 00:00:00 sshd:
mythtv at pts/0
mythtv 6755 6754 0 21:37 pts/0 00:00:00 -bash
root 6891 6778 0 22:55 pts/0 00:00:00 grep
myth
I'm guessing that the reason why there are so many
instances of mythfrontend is because the system is
using heavy weight threads. Would I improve things by
going to NPTL?
Please let me know if you have any ideas, I'm going to
let lirc wait for now while I get the picture stutter
free, the wife is not quite as happy as I was hoping
:-(
I'm using a 2.6.12.5 kernel and mythTV 0.18.1-r1
Thanks!
Ben
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