Utauthd gets in a loop after disconnect or reset a sunray client
Running Sunray Server software 4.2 on Oracle Enterprise Linux 5.5;
works fine
except when the connection reset, by accident or intentionally;
one would expect a Sun Ray Session lock screen, to provide the pw and restore the connection and session
the SunRay is getting in a loop of icons 26B -> 44B -> 26B -> 44B....
and the messages file on the server shows a loop of uauthd:
Aug 17 03:50:09 sunrayserver1 xinetd[2005]: START: tftp pid=17679 from=10.172.219.22
Aug 17 03:50:13 sunrayserver1 utauthd: Worker3 NOTICE: DISCONNECT IEEE802.00212812969a, pseudo.00212812969a reauthenticatingDuplicateTID
Aug 17 09:50:13 sunrayserver1 utauthd: Worker3 UNEXPECTED: during send to: java.net.SocketOutputStream@12f0999 error=java.net.SocketException: Connection reset
Aug 17 09:50:13 sunrayserver1 utauthd: Worker3 NOTICE: DESTROY pseudo.00212812969a lifetime=2021768
Aug 17 09:50:13 sunrayserver1 utauthd: Worker3 NOTICE: whichServer pseudo.00212812969a:
Aug 17 09:50:13 sunrayserver1 utauthd: Worker3 NOTICE: CLAIMED by StartxlationSession.m5 NAME: hotdesk.IEEE802-00212812969a PARAMETERS: {savedType=pseudo, altuid=1000, stealProtected=true, terminalIPA=10.172.219.22, type=hotdesk, fw=4.2_140993-03_2010.06.21.19.00,Boot:2.0; 2007.08.22-15:28:21-PDT, state=disconnected, cause=insert, doamgh=true, barrierLevel=421, altlocale=en_US.UTF-8, rawId=00212812969a, terminalCID=IEEE802.00212812969a, MTU=1366, tokenSeq=1, firstServer=0aacd8cf, namespace=IEEE802, keyTypes=dsa-sha1-x1,dsa-sha1, ddcconfig=1, clientRand=Jv1zQerVnTgTCZ4JZQSwGZUYWYHtQR5W7xMVdsB42w0, id=IEEE802-00212812969a, realIP=0aacdb16, startRes=1680x1050:1680x1050, useReal=true, event=insert, sn=00212812969a, savedId=00212812969a, rawType=pseudo, clientKeyStatus=unconfirmed, hw=SunRayP8, initState=1, usersession=true, _=1}
Aug 17 09:50:13 sunrayserver1 utauthd: Worker3 NOTICE: CONNECT IEEE802.00212812969a, hotdesk.IEEE802-00212812969a, all connections allowed
Aug 17 09:50:13 sunrayserver1 utauthd: Worker3 NOTICE: MTU = 1366
Aug 17 09:50:13 sunrayserver1 utdtsession: Add (13,hotdesk.IEEE802-00212812969a,special)
Aug 17 09:50:14 sunrayserver1 utauthd: Worker3 NOTICE: SESSION_OK hotdesk.IEEE802-00212812969a
Aug 17 09:50:14 sunrayserver1 setroubleshoot: SELinux is preventing syslogd (syslogd_t) "append" to /var/opt/SUNWut/log/messages (var_t). For complete SELinux messages. run sealert -l 403f947a-c57a-432a-a616-2da86eb8b7ea
Aug 17 09:50:14 sunrayserver1 utdtsession: Delete (13,hotdesk.IEEE802-00212812969a)
Aug 17 09:50:15 sunrayserver1 utauthd: SessionManager0 NOTICE: EMPTY: ACTIVE session
Aug 17 09:50:15 sunrayserver1 utauthd: Terminator NOTICE: DISCONNECT IEEE802.00212812969a, hotdesk.IEEE802-00212812969a session terminated
Aug 17 09:50:15 sunrayserver1 utauthd: Terminator NOTICE: DESTROY hotdesk.IEEE802-00212812969a lifetime=2072
Aug 17 09:50:15 sunrayserver1 utauthd: SessionManager0 NOTICE: TERMINATE: inactive session
Aug 17 09:50:16 sunrayserver1 utauthd: Worker0 NOTICE: whichServer pseudo.00212812969a:
Aug 17 09:50:16 sunrayserver1 utauthd: Worker0 NOTICE: CLAIMED by StartxlationSession.m5 NAME: hotdesk.IEEE802-00212812969a PARAMETERS: {savedType=pseudo, altuid=1000, stealProtected=true, terminalIPA=10.172.219.22, type=hotdesk, fw=4.2_140993-03_2010.06.21.19.00,Boot:2.0; 2007.08.22-15:28:21-PDT, state=disconnected, cause=insert, doamgh=true, barrierLevel=421, altlocale=en_US.UTF-8, rawId=00212812969a, terminalCID=IEEE802.00212812969a, MTU=1366, tokenSeq=1, firstServer=0aacd8cf, namespace=IEEE802, keyTypes=dsa-sha1-x1,dsa-sha1, ddcconfig=1, clientRand=LI/AVehwACI.kR0e9RS91XgKxmc0pMA8wowp/g4dlyO, id=IEEE802-00212812969a, realIP=0aacdb16, startRes=1680x1050:1680x1050, useReal=true, event=insert, sn=00212812969a, savedId=00212812969a, rawType=pseudo, clientKeyStatus=unconfirmed, hw=SunRayP8, initState=0, usersession=true, _=1}
Aug 17 09:50:16 sunrayserver1 utauthd: Worker0 NOTICE: CONNECT IEEE802.00212812969a, hotdesk.IEEE802-00212812969a, all connections allowed
Aug 17 09:50:16 sunrayserver1 utauthd: Worker0 NOTICE: MTU = 1366
Aug 17 09:50:16 sunrayserver1 utdtsession: Add (13,hotdesk.IEEE802-00212812969a,special)
Aug 17 09:50:17 sunrayserver1 utauthd: Worker0 NOTICE: SESSION_OK hotdesk.IEEE802-00212812969a
Aug 17 09:50:17 sunrayserver1 utdtsession: Delete (13,hotdesk.IEEE802-00212812969a)
Aug 17 09:50:18 sunrayserver1 utauthd: SessionManager0 NOTICE: EMPTY: ACTIVE session
Aug 17 09:50:18 sunrayserver1 utauthd: Terminator NOTICE: DISCONNECT IEEE802.00212812969a, hotdesk.IEEE802-00212812969a session terminated
Aug 17 09:50:18 sunrayserver1 utauthd: Terminator NOTICE: DESTROY hotdesk.IEEE802-00212812969a lifetime=1532
Aug 17 09:50:18 sunrayserver1 utauthd: SessionManager0 NOTICE: TERMINATE: inactive session
Aug 17 09:50:19 sunrayserver1 utauthd: Worker0 NOTICE: whichServer pseudo.00212812969a:
Aug 17 09:50:19 sunrayserver1 utauthd: Worker0 NOTICE: CLAIMED by StartxlationSession.m5 NAME: hotdesk.IEEE802-00212812969a PARAMETERS: {savedType=pseudo, altuid=1000, stealProtected=true, terminalIPA=10.172.219.22, type=hotdesk, fw=4.2_140993-03_2010.06.21.19.00,Boot:2.0; 2007.08.22-15:28:21-PDT, state=disconnected, cause=insert, doamgh=true, barrierLevel=421, altlocale=en_US.UTF-8, rawId=00212812969a, terminalCID=IEEE802.00212812969a, MTU=1366, tokenSeq=1, firstServer=0aacd8cf, namespace=IEEE802, keyTypes=dsa-sha1-x1,dsa-sha1, ddcconfig=1, clientRand=kHtPBbfdFnVT8o6kEKvHFFxEKsANaqVqdAdL6kCki3i, id=IEEE802-00212812969a, realIP=0aacdb16, startRes=1680x1050:1680x1050, useReal=true, event=insert, sn=00212812969a, savedId=00212812969a, rawType=pseudo, clientKeyStatus=unconfirmed, hw=SunRayP8, initState=0, usersession=true, _=1}
Aug 17 09:50:19 sunrayserver1 utauthd: Worker0 NOTICE: CONNECT IEEE802.00212812969a, hotdesk.IEEE802-00212812969a, all connections allowed
Aug 17 09:50:19 sunrayserver1 utauthd: Worker0 NOTICE: MTU = 1366
Aug 17 09:50:19 sunrayserver1 utdtsession: Add (13,hotdesk.IEEE802-00212812969a,special)
Aug 17 09:50:20 sunrayserver1 utauthd: Worker0 NOTICE: SESSION_OK hotdesk.IEEE802-00212812969a
Aug 17 09:50:20 sunrayserver1 utdtsession: Delete (13,hotdesk.IEEE802-00212812969a)
Aug 17 09:50:20 sunrayserver1 utauthd: SessionManager0 NOTICE: EMPTY: ACTIVE session
Aug 17 09:50:20 sunrayserver1 utauthd: Terminator NOTICE: DISCONNECT IEEE802.00212812969a, hotdesk.IEEE802-00212812969a session terminated
any hint on the correct configuration welcome
the phenomena is caused by the missing rpm openmotif22 64bit; installing this lets if work fine
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Some Output:
Boot Mode: Normal
Total CPU usage:
User 11% System 10%
Max %CPU by process (name, UID, %):
WindowServer 0 4.6
Loaded extrinsic kernel extensions:
at.obdev.nke.LittleSnitch (4052)
com.driver.JRDUSBModemData64 (4.0.5)
com.protech.NoSleep (1.3.3)
Loaded extrinsic daemons:
net.sourceforge.MonolingualHelper
com.oracle.java.JavaUpdateHelper
com.oracle.java.Helper-Tool
com.microsoft.office.licensing.helper
com.freemacsoft.appcleanerd
com.adobe.fpsaud
at.obdev.littlesnitchd
Loaded extrinsic user agents:
com.oracle.java.Java-Updater
at.obdev.LittleSnitchUIAgent
/Library/LaunchAgents:
at.obdev.LittleSnitchUIAgent.plist
com.oracle.java.Java-Updater.plist
/Library/LaunchDaemons:
at.obdev.littlesnitchd.plist
com.adobe.fpsaud.plist
com.freemacsoft.appcleanerd.plist
com.microsoft.office.licensing.helper.plist
com.oracle.java.Helper-Tool.plist
com.oracle.java.JavaUpdateHelper.plist
net.sourceforge.MonolingualHelper.plist
/Library/PrivilegedHelperTools:
com.freemacsoft.appcleanerd
com.microsoft.office.licensing.helper
com.oracle.java.JavaUpdateHelper
net.sourceforge.MonolingualHelper
Extrinsic loadable bundles:
/System/Library/Extensions/JRDMassStorageDriver32.kext
(No bundle ID)
/System/Library/Extensions/JRDMassStorageDriver64.kext
(No bundle ID)
/System/Library/Extensions/JRDUSBModemData32.kext
(com.driver.JRDUSBModemData32)
/System/Library/Extensions/JRDUSBModemData64.kext
(com.driver.JRDUSBModemData64)
/System/Library/Extensions/LittleSnitch.kext
(at.obdev.nke.LittleSnitch)
/System/Library/Extensions/NoSleep.kext
(com.protech.NoSleep)
/Library/Audio/Plug-Ins/Components/A52Codec.component
(com.shepmater.A52Codec)
/Library/Internet Plug-Ins/Flash Player.plugin
(com.macromedia.Flash Player.plugin)
/Library/Internet Plug-Ins/JavaAppletPlugin.plugin
(com.oracle.java.JavaAppletPlugin)
/Library/PreferencePanes/Flash Player.prefPane
(com.adobe.flashplayerpreferences)
/Library/PreferencePanes/JavaControlPanel.prefPane
(com.oracle.java.JavaControlPanel)
/Library/PreferencePanes/NoSleep.prefPane
(com.protech.NoSleepPref)
/Library/QuickTime/AC3MovieImport.component
(com.cod3r.ac3movieimport)
/Library/Spotlight/LogicPro.mdimporter
(No bundle ID)
Library/Address Book Plug-Ins/SkypeABDialer.bundle
(com.skype.skypeabdialer)
Library/Address Book Plug-Ins/SkypeABSMS.bundle
(com.skype.skypeabsms)
Library/QuickLook/Pacifist.qlgenerator
(com.charlessoft.pacifist.qlgenerator)
Library/Services/Clip to Day One.workflow
(No bundle ID)
Login hook:
/Library/Scripts/Hooks/login.sh
Global login items:
$HELPER_PATH
$HELPER_PATH
$HELPER_PATH
$HELPER_PATH
$HELPER_PATH
User login items:
iTunesHelper
Sparrow
Sort Menubar Items
AppCleaner Helper
SurplusMeterAgent
Safari extensions:
Shut Up
AdBlock
SafariKeywordSearch
Disconnect
MapTricks
Restricted user files: 28
Font problems: 0
Elapsed time (s): 130
etrecheck output:
Hardware Information:
MacBook Air - model: MacBookAir3,1
1 1.4 GHz Intel Core 2 Duo CPU: 2 cores
2 GB RAM
Video Information:
NVIDIA GeForce 320M - VRAM: 256 MB
System Software:
OS X 10.9.2 (13C64) - Uptime: 0 days 0:20
Disk Information:
APPLE SSD TS064C disk0 : (60.67 GB)
EFI (disk0s1) <not mounted>: 209.7 MB
disk0s2 (disk0s2) <not mounted>: 59.81 GB
Recovery HD (disk0s3) <not mounted>: 650 MB
USB Information:
EFI (disk2s1) <not mounted>: 209.7 MB
Radha (disk2s2) /Volumes/Radha: 1.81 TB (1.73 TB free)
disk2s3 (disk2s3) <not mounted>: 189.89 GB
Boot OS X (disk2s4) <not mounted>: 134.2 MB
FireWire Information:
Kernel Extensions:
at.obdev.nke.LittleSnitch Version: 4052
com.driver.JRDUSBModemData64 Version: 4.0.5
com.protech.NoSleep Version: 1.3.3
Problem System Launch Daemons:
Problem System Launch Agents:
Launch Daemons:
[loaded] at.obdev.littlesnitchd.plist
[loaded] com.adobe.fpsaud.plist
[loaded] com.freemacsoft.appcleanerd.plist
[loaded] com.microsoft.office.licensing.helper.plist
[loaded] com.oracle.java.JavaUpdateHelper.plist
[loaded] net.sourceforge.MonolingualHelper.plist
Launch Agents:
[loaded] at.obdev.LittleSnitchUIAgent.plist
User Launch Agents:
User Login Items:
iTunesHelper
Sparrow
Sort Menubar Items
AppCleaner Helper
SurplusMeterAgent
3rd Party Preference Panes:
Flash Player
Java
NoSleep
Internet Plug-ins:
Default Browser.plugin
Flash Player.plugin
FlashPlayer-10.6.plugin
JavaAppletPlugin.plugin
QuickTime Plugin.plugin
User Internet Plug-ins:
Bad Fonts:
None
Top Processes by CPU:
12% com.apple.WebKit.Networking
6% Safari
4% WindowServer
3% EtreCheck
2% hidd
1% Terminal
1% notifyd
1% opendirectoryd
1% com.apple.WebKit.WebContent
0% Dock
Top Processes by Memory:
147 MB Safari
137 MB com.apple.WebKit.WebContent
49 MB mds_stores
29 MB com.apple.WebKit.Networking
27 MB TextEdit
23 MB WindowServer
20 MB Disk
20 MB Sparrow
20 MB CVMCompiler
18 MB Finder
Nothing out of the ordinairy. Thanks for any helpIt's an Apple Pro keyboard and mouse, the dongle is
plugged into the Mac and not the keyboard. The same
set-up is, and has been working on all our other
Macs.
The sleep issue sounds interesting- hum, maybe...
Is your keyboard plugged into one of the USB connections on an Apple monitor? If so, you may want to change that connection to one that is on the G5 itself. My monitor came with a warning note indicating that problems will likely occur if the keyboard is connected to the monitor.
I also had a problem with the automatic sleep function. After much trouble-shooting and a logic board replacement, it was concluded that coming out of the automatic sleep function with any USB device active would freeze the entire USB bus. After disabling automatic sleep in system preferences, I've had no freezing problems. My machine works fine with the manual sleep function in the Apple Menu.
AndyH -
Alter updating my IPad, I have problems getting new apps. After filling in my Apple Id, and answer my 3secret questions, I get THE answer that this session had to be ended without results.
Wow ! I got it running again ! :-)
I called support and got helped by a very friendly guy:
We tried serveral things, what worked for me was to reset my cookies:
- Close all apps by doubleclicking the "home" button - you see all running apps in the lower part of the screen. Then click an hold the first icon until it starts "shaking". Klick the small minus, proceed like that until the row is empty.
- Go in to the control center (don't know what it's called in english, in swedish it's "Inställningar")
- Klick the tab "Safari"
- Klick on Clear cookies and data ("rensa cookies och data")
- Close the control center and start App store
If you now try to download an app you still get the request for the three safety-questions, but when filling them in it works and you can proceed after that. The questions will not turn upp again afterwards...
Good Luck !
Other things we tried was:
- disconnecting the wifi and restarting it
- log out from app-store (in control center, tab "itunes and appstore") -
HDMI does not come back after disconnect
Hello Archers,
this one is bugging me for a while now, perhaps someone has an idea.
I have a headless ARCH home server that mainly has the following purposes:
1. being a 24/7 file/backup/ssh server for family and friends
2. being an MPD server connected to my music system
The setup may seem a bit exotic. The computer is connected to the music system via HDMI over an S/PDIF audio extractor to the music system. This is because the machine replaced a RaspberryPi that really had crappy analog audio output and my music system has an optical input and can perform the digital to analog conversion itself. I have not installed Pulse just alsa and jack2-dbus.
aplay -l shows the following:
**** Liste der Hardware-Geräte (PLAYBACK) ****
Karte 0: PCH [HDA Intel PCH], Gerät 0: ALC887-VD Analog [ALC887-VD Analog]
Sub-Geräte: 1/1
Sub-Gerät #0: subdevice #0
Karte 0: PCH [HDA Intel PCH], Gerät 3: HDMI 0 [HDMI 0]
Sub-Geräte: 0/1
Sub-Gerät #0: subdevice #0
The Problem:
Whenever I switch off the music system and later switch it back on, the HDMI-connection is lost and does not get reestablished. I tried various things but essentially only a reboot of the machine helps (which opposes purpose 1 of the machine). On the RaspberryPi I did not have that problem, probably due to the hdmi_force_hotplug=1 in /boot/config.txt.
My Observations so far:
The first problem that made the sound disappear was the screen blanker on the console after 10 minutes. This can be prevented with
setterm --term linux --blank 0 >/dev/tty1 # You need write permission on /dev/tty1 for this to work!
There are no appearant error or warning messages when using e.g. aplay or speaker-test, just no sound at all
There are tipps in the forums/the internet sugesting to disable power management on the display involving xset and xrandr. However, I have no X running and the tools complain that they cannot find/open the display
In /proc/asound/PCH/codec#2 I find the HDMI codec to show the following as long as it is connected after a reboot:
Codec: Intel Valleyview2 HDMI
Address: 2
AFG Function Id: 0x1 (unsol 0)
Vendor Id: 0x80862882
Subsystem Id: 0x80860101
Revision Id: 0x100000
No Modem Function Group found
Default PCM:
rates [0x0]:
bits [0x0]:
formats [0x0]:
Default Amp-In caps: N/A
Default Amp-Out caps: N/A
State of AFG node 0x01:
Power states: D0 D3
Power: setting=D0, actual=D0
GPIO: io=0, o=0, i=0, unsolicited=0, wake=0
Node 0x02 [Audio Output] wcaps 0x6611: 8-Channels Digital
Device: name="HDMI 0", type="HDMI", device=3
Converter: stream=8, channel=0
Digital: Enabled GenLevel
Digital category: 0x2
IEC Coding Type: 0x0
PCM:
rates [0x7f0]: 32000 44100 48000 88200 96000 176400 192000
bits [0x1e]: 16 20 24 32
formats [0x5]: PCM AC3
Power states: D0 D3
Power: setting=D0, actual=D0
Node 0x03 [Audio Output] wcaps 0x6611: 8-Channels Digital
Converter: stream=0, channel=0
Digital: Enabled
Digital category: 0x0
IEC Coding Type: 0x0
PCM:
rates [0x7f0]: 32000 44100 48000 88200 96000 176400 192000
bits [0x1e]: 16 20 24 32
formats [0x5]: PCM AC3
Power states: D0 D3
Power: setting=D0, actual=D0
Node 0x04 [Pin Complex] wcaps 0x40778d: 8-Channels Digital Amp-Out CP
Control: name="HDMI/DP,pcm=3 Jack", index=0, device=0
Control: name="IEC958 Playback Con Mask", index=0, device=0
Control: name="IEC958 Playback Pro Mask", index=0, device=0
Control: name="IEC958 Playback Default", index=0, device=0
Control: name="IEC958 Playback Switch", index=0, device=0
Control: name="ELD", index=0, device=3
Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
Amp-Out vals: [0x00 0x00]
Pincap 0x09000094: OUT Detect HBR HDMI DP
Pin Default 0x18560010: [Jack] Digital Out at Int HDMI
Conn = Digital, Color = Unknown
DefAssociation = 0x1, Sequence = 0x0
Pin-ctls: 0x40: OUT
Unsolicited: tag=01, enabled=1
Power states: D0 D3
Power: setting=D0, actual=D0
Connection: 2
0x02* 0x03
Node 0x05 [Pin Complex] wcaps 0x40778d: 8-Channels Digital Amp-Out CP
Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
Amp-Out vals: [0x00 0x80]
Pincap 0x09000094: OUT Detect HBR HDMI DP
Pin Default 0x58560020: [N/A] Digital Out at Int HDMI
Conn = Digital, Color = Unknown
DefAssociation = 0x2, Sequence = 0x0
Pin-ctls: 0x40: OUT
Unsolicited: tag=00, enabled=0
Power states: D0 D3
Power: setting=D0, actual=D0
Connection: 2
0x02 0x03*
Node 0x06 [Pin Complex] wcaps 0x40778d: 8-Channels Digital Amp-Out CP
Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
Amp-Out vals: [0x00 0x80]
Pincap 0x09000094: OUT Detect HBR HDMI DP
Pin Default 0x58560030: [N/A] Digital Out at Int HDMI
Conn = Digital, Color = Unknown
DefAssociation = 0x3, Sequence = 0x0
Pin-ctls: 0x40: OUT
Unsolicited: tag=00, enabled=0
Power states: D0 D3
Power: setting=D0, actual=D0
Connection: 2
0x02 0x03*
Node 0x07 [Vendor Defined Widget] wcaps 0xf00000: Mono
After disconnect/reconnect it changes to this:
Codec: Intel Valleyview2 HDMI
Address: 2
AFG Function Id: 0x1 (unsol 0)
Vendor Id: 0x80862882
Subsystem Id: 0x80860101
Revision Id: 0x100000
No Modem Function Group found
Default PCM:
N/A
Default Amp-In caps: N/A
Default Amp-Out caps: N/A
State of AFG node 0x01:
Power: setting=UNKNOWN, actual=UNKNOWN, Error, Clock-stop-OK, Setting-reset
Invalid AFG subtree
I figured that the problem is probably related to powermanagement, so I experimented with powertop. This resulted in a reduced consumption of 1W when idle, which is nice but did not solve the original problem...
The Questions
Is there a way to completely reinit the HDMI subsystem just like on a reboot?
Is there an option comparable to hdmi_force_hotplug=1 on the pi that forces the HDMI signal to stay up?
Thank You for Your time!
Best regards,
LarsI can confirm what zofiel said. I have tested it by connecting a TV and HDMI reactivitated by switching from X to console. However, this option only works one time and requires X running in the first place, which I usually have not on a headless server, but it made me think: Obviousely the X server needs to activate the graphics in the first place. Then I came up with an idea for a really messy work around. I could try to remotely start X. Normally, this is not possible and you get:
% startx
/usr/lib/xorg-server/Xorg.wrap: Only console users are allowed to run the X server
xinit: giving up
xinit: unable to connect to X server: Connection refused
xinit: server error
You can force it to work:
sudo startx
You get lots of error messages, but HDMI audio is back, even if one kills the X process afterwards with Ctrl+C (Audio stops, but resumes two seconds later). The downside is that starting X with sudo messes up permissions with the x related files in your home directory and you will have problems to use startx afterwards, so it is probably better to use su instead of sudo. If root does not have a properly configured .xinitrc file then one can also just execute the desktop environment directly e.g., for XFCE:
su - root -c "startxfce4"
Then kill it with Ctrl+C and you should have HDMI Audio working.
So now I could pack this in a script followed by some command to kill it, but, well, it is an ugly workaround
Is there really no better way? -
Getting a for loop inside a while loop
I've been having problems with the code below. I'm trying to get the 'while' loop to work so that the program will continue to run after a user types in a sentence. This is supposed to print out how many times a letter has been typed when a sentence has been put in, but it's not working right. It just keeps adding the first sentences numbers together even when a new sentence is typed out. I don't know what I'm doing wrong with this 'while' loop.
import java.util.Scanner;
import java.util.*;
public class Count
public static void main (String[] args)
String phrase; // a string of characters
int countBlank; // the number of blanks (spaces) in the phrase
int length; // the length of the phrase
int countA = 0; // the number of a's in the phrase
int countT = 0; // the number of t's in the phrase
int countE = 0;
int countS = 0;
char ch; // an individual character in the string
Scanner scan = new Scanner(System.in);
// Print a program header
System.out.println ();
System.out.println ("Character Counter");
System.out.println ();
// Read in a string and find its length
System.out.println ("Enter a sentence or phrase ('quit' to quit): ");
phrase = scan.nextLine();
length = phrase.length();
// Initialize counts
countBlank = 0;
// a while loop to allow user to keep entering phrases
while (true)
String line=scan.nextLine();
System.out.println("Type quit to quit or enter a new phrase.");
if(line.equals("quit"))
break;
// a for loop to go through the string character by character
// and count the blank spaces
for(int i = 0; i < phrase.length(); i++)
ch = phrase.charAt(i);
switch (ch)
case ' ': countBlank++;
break;
case 'a':
case 'A': countA++;
break;
case 't':
case 'T': countT++;
break;
case 'e':
case 'E': countE++;
break;
case 's':
case 'S': countS++;
break;
// Print the results
System.out.println ();
System.out.println ("Number of blank spaces: " + countBlank);
System.out.println ("Number of A's: " + countA);
System.out.println ("Number of T's: " + countT);
System.out.println ("Number of E's: " + countE);
System.out.println ("Number of S's: " + countS);
System.out.println ();
}Ok well I don't really understand what you're saying, but here's an improved version of my code and I can get it to work, but I don't know how to turn the "do while" loop into just a "while" loop.
import java.util.Scanner;
public class Count3
public static void main (String[] args) {
String phrase; // a string of characters
int countBlank=0; // the number of blanks (spaces) in the phrase
int length; // the length of the phrase
char ch; // an individual character in the string
int countA=0;
int countE=0;
int countS=0;
int countT=0;
String quit = new String("quit"); //String wasn't initialized
Scanner scan = new Scanner(System.in);
// Print a program header
System.out.println ();
System.out.println ("Character Counter");
System.out.println ();
do { //do-while loop
// Read in a string and find its length
System.out.println("Enter a sentence or phrase, or type \"quit\" to quit: ");
phrase = scan.nextLine();
length = phrase.length();
// a for loop to go through the string character by character
// and count the blank spaces, a's, e's, s', and t's
for (int i = 0; i <= length-1; i++) {
ch = phrase.charAt(i);
switch (ch) {
case ' ': countBlank++;
break;
case 'a':
case 'A': countA++;
break;
case 'e':
case 'E': countE++;
break;
case 's':
case 'S': countS++;
break;
case 't':
case 'T': countT++;
break;
// Print the results
System.out.println ();
System.out.println ("Number of blank spaces: " + countBlank);
System.out.println ("Number of a's: " + countA);
System.out.println ("Number of e's: " + countE);
System.out.println ("Number of s's: " + countS);
System.out.println ("Number of t's: " + countT);
System.out.println ();
countA=0; countE=0; countS=0; countT=0; countBlank=0;
}while (!(phrase.equalsIgnoreCase(quit)));
}//end main
}//end class Count -
I've been searching the forum, manuals, troubleshooting, etc., and haven't come across any solution yet. Or even this particular problem described or experienced. I wonder if anyone might have an answer, or steer me the right direction. I am new to this stuff, please bear with me.
My iPod nano has power, the screen lights up, battery icon shows fully charged, but one second, or maybe less, after it's connected to the computer, the only thing I get is the 'do not disconnect' warning message. No action, not even a pulsating battery icon. (It does that, right, when it's charging?) Even after 20 minutes, with the battery icon on the 'pod screen showing a fully charged battery, I don't get anything on the iPod screen, just the 'do not disconnect'.
I did many resets with the hold and menu and center buttons, and even a restore for the iPod, losing the little music I had on it, and still, the 'do not disconnect' is all I get. I have been closing iTunes and ejecting safely (I believe) via the finder. Remotely, it turns on, though I have nothing on it to listen to now. A few more tries at connecting to the computer, but still all that shows is the 'do not disconnect' message, and I can't do anything.
I've had the computer and iPod a little over two weeks. A few days ago, I did update the latest iTunes software, and today was the first time to connect the iPod since then, if that might have something to do with this and maybe solving it. Everything was fine up till today. Now, I'm kind of stuck here.
Any ideas?
Thanks
MacBook Mac OS X (10.4.3)
MacBook Mac OS X (10.4.3)"but one second, or maybe less, after it's connected to the computer, the only thing I get is the 'do not disconnect' warning message. No action, not even a pulsating battery icon. (It does that, right, when it's charging?) Even after 20 minutes, with the battery icon on the 'pod screen showing a fully charged battery, I don't get anything on the iPod screen, just the 'do not disconnect'."
It's perfectly normal behaviour. When the iPod is connected to the computer you will always see the "do not disconnect" screen.
If you have your iPod set to transfer your music manually, then that “do not disconnect” message will continue to be displayed on your iPod until you manually eject it.
You can do this by clicking on the iPod 'eject' icon in the lower right hand corner of iTunes or the eject icon to the right of the iPod in iTunes. With a Mac, you can also drag the iPod into the trash.
If you have your iPod set to automatically sync with iTunes version 7 or later, connect the iPod and when you see the summary screen, uncheck the box marked "enable disk use".
If you are using an earlier version of iTunes, right click on the iPod in the source list, select options and uncheck the same box.
In future your iPod should automatically disconnect after it’s finished transferring music. -
1. The iPod Nano (4th Generation - 8GB) switches on, only when connected to USB power by showing apple logo and displays Menu options thereafter..
2. However, I can not access Menu as it is unresponsive to click wheel. As a result it is inaccessible to any further use,
3. NOTE: it displays "Battery Fully charged" icon on the screen without any "Lock" icon.
4. After 5-sec to 10-secs the screen deems off.. i.e. goes to sleep mode.. And thereafter would probably remain like that (sleeeping) for eternity!!!!
5. It Switches off after WITHOUT DISPLAYING any Apple Logo immediately after disconnecting from USB Power.
6. In other words, it can be switched on only through USB power in spite of battery being fully charged.
7. Interestingly, it syncs with iTunes. It is recognised in iTunes (Latest version 11+).. Displays on screen all commands Like.. syncronising, connecting, connected,
8. Allows to add Music, videos like a normal ipod & displays all status information in iTunes.
9. Read Trobleshooting & Tried all 5R's. Registered, Resetted, updated & Restored to iOS 1.0.2
10. It is now displaying to select Language in place of Menu options, with no access through click wheel, centre button whatsoever... Problem still persists
KINDLY GUIDE ME THE SOLUTION. APPRECIATE YOUR RESPONSE in advance..."I get the feeling that this is a software issue that could probably be solved quite easily"
Since you have already tried all the normal troubleshooting solutions, take the iPod to your nearest Apple Store for a *proper diagnosis.* The staff there will be able to confirm if your problem is software or hardware _*at no cost to you.*_
!http://i50.tinypic.com/izvwo1.gif! -
How to stop a while loop after certain time using Elapsed time vi
how to stop a while loop after certain time using Elapsed time vi.
Hi Frankie,
Just place the Elapsed Time VI inside the WHILE loop, and wire the 'Time Has Elapsed' output to the conditional terminal in the lower right corner (which should be set to 'stop if true' by default).
In the future, please post your LabVIEW questions to the LabVIEW Forum. You have a much better chance of getting your questions answered sooner, and those answers can then help others who are searching the LabVIEW forums. Thanks!
Justin M
National Instruments
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