USB output with headset failure!

Hello,
I have a strange problem. The USB port works on both sides
with every other peripheral. Only when I use the headset which
also works (tested on another computer) does the USB output
not work at all. The audio mini jack port works too!
The preferences audio DO recognize the USB headset! The
input registers a voice too! Tried Audio Midi too! Please help!!!
OS 10.4.10 Powebook G4 17"
laminaksi

Welcome to the Apple discussions.
Sometimes USB issues can be fixed by resetting the Power Management Unit (PMU). See this Apple article: http://docs.info.apple.com/article.html?artnum=14449

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edit:
Original title was : 'Unable to mount USB disk via /etc/rc.local', but got changed since the /etc/rc.local problem isn't relevant for me anymore.
Hello,
Since I am new to this forum, I'll start off with this :
Thanks to archlinux, its founder and all its contributors, cause this is the operating system (flavour) that annoys me the least.
The root problem :
I want to automount USB storage devices to other places than /media/ and without the need for programs that depend on gnome and the like. As I tried some stuff with hald and such, I didn't really get to a nice and easy to configure solution. Any hints in that direction are always welcome.
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Add 'mount /mountpoint' to /etc/rc.local
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2.
Provide the disk info to /etc/fstab (via the disks UUID and the correct filesystem)
Add 'mount /mountpoint' to /etc/rc.local
Result : pc doesn't get through boot process and gives me the 'ctrl-d to reboot or root passwd for maintenance'
3.
Provide no disk info in /etc/fstab
Add the full mount line to /etc/rc.local (mount -t fs /dev/disks/by-uuid/MyUUID /MyMountpoint )
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Last edited by BasiK (2009-08-28 07:22:50)

Thanks for the hint hunterthomson, but the pc I will be using it on, is an own-built HTPC/home file server, so there is no way I want to use a graphical file manager to get the usb disks mounted.
I tried to figure out a little about udev rules, and I got to do what I wanted to do, so thx for pointing me in that direction Mr.Elendig.
Btw, I am indeed also using auto-sleep/park disks, but this udev way works perfectly.
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[basik@plox ~]$ cat /etc/udev/rules.d/80-usb-utopia.rules
ACTION=="add", KERNEL=="sd[b-z][0-9]", ENV{ID_FS_UUID}=="a59332c2-07ba-4c52-afb5-20e361bdf71a",SYMLINK+="usb-%n", GROUP="storage", NAME="%k"
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ACTION=="add", KERNEL=="sd[b-z][0-9]", ENV{ID_FS_UUID}=="a59332c2-07ba-4c52-afb5-20e361bdf71a", RUN+="/bin/mount -t auto -o rw,noauto,sync,dirsync,noexec,nodev,noatime /dev/%k /symbiosis/utopia", OPTIONS="last_rule"
ACTION=="remove", KERNEL=="sd[b-z][0-9]", ENV{ID_FS_UUID}=="a59332c2-07ba-4c52-afb5-20e361bdf71a", RUN+="/bin/umount -l /symbiosis/utopia", OPTIONS="last_rule"
The second for unknown usb disks, to mount under the same dir. This is simply taken from the archwiki http://wiki.archlinux.org/index.php/Ude … .26_Tricks
Make sure these rules are executed after the ones for specific usb disks.
[basik@plox ~]$ cat /etc/udev/rules.d/usb-disks.rules
KERNEL=="sd[a-z]", NAME="%k", SYMLINK+="usb%m", GROUP="storage", OPTIONS="last_rule"
ACTION=="add", KERNEL=="sd[a-z][0-9]", SYMLINK+="usb%n", GROUP="storage", NAME="%k"
ACTION=="add", KERNEL=="sd[a-z][0-9]", RUN+="/bin/mkdir -p /symbiosis/usb%n"
ACTION=="add", KERNEL=="sd[a-z][0-9]", RUN+="/bin/mount -t auto -o rw,noauto,sync,dirsync,noexec,nodev,noatime /dev/%k /symbiosis/usb%n", OPTIONS="last_rule"
ACTION=="remove", KERNEL=="sd[a-z][0-9]", RUN+="/bin/umount -l /symbiosis/usb%n"
ACTION=="remove", KERNEL=="sd[a-z][0-9]", RUN+="/bin/rmdir /symbiosis/usb%n", OPTIONS="last_rule"
These may not be the nicest looking udev rules, but it works for what I wanted to do with it.

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java version "1.8.0_31"
Java(TM) SE Runtime Environment (build 1.8.0_31-b13)
Java HotSpot(TM) 64-Bit Server VM (build 25.31-b07, mixed mode)
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I have also had trouble understanding the GPIO pin assignments. Another gotcha was trying to use the AutoStart feature. Since the sample app never cleanly exited, I thought that I bricked the board. The secret is to power it down, remove the SD card, and then delete all files EXCEPT the jwc_properties.ini file, put the SD card back in, then power up. It seems that the board forgets that the MIDlet was installed.
Hope this helps others out there.
Please everybody, post your experiences here. There seem to be very few of us, and finding pearls in the dust is rare right now.
Regards,
Pete

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