VERY slow startup and shutdown, CD stuck

I've been looking all over these forums for some help with this problem, but every solution I find seems to make the problem increasingly complex.
I have an iMac that I got in 2010 running OS 10.6.8. I've been using a Seagate GoFlex drive with Time Machine, and noticed the other day that it started making a clicking sound and wouldn't back up anymore, so I downloaded SeaTools in order to run a diagnostic on it. When I restarted my computer to finish installing SeaTools, it got stuck on the blue screen while shutting down, so I held the power button to turn it off, and then turned it back on. It took a long time to turn on (hung up on the blue screen again), and once the desktop came to life, I was unable to type or click on anything for several minutes.
I installed some updates, thinking that might help, but when the computer restarted after installing them, it got stuck again on the blue screen, so I manually turned it off. When I turned it back on, it hung on the blue screen for at least 10 minutes, and I finally just held the power button to shut it down and try restarting in safe mode, which is where it is now.
Another thing that seems related is that there was a CD in the drive that had been there for a few days, with an icon on the desktop. Suddenly, the desktop icon is no longer there, and I can't get it to eject, though I can hear the it spinning when I wake it from Sleep or when I press the eject button. When I try to view Serial-ATA or Disc Burning in the System Profiler, it gets stuck on a spinning wheel and stops responding.
Disk Utility also gets stuck on "Gathering Disk Information" so I can't do anything there, either. Between this and the CD issue, it seems like a lot of suggested fixes for the boot/shutdown problem are not possible to do.
Anyone have any insight or ideas?

Never mind, I figured it out! In case anyone has the same problem, Seagate Diagnostic was the culprit (should have realized right away, oops). More info (and directions for fixing) here:
http://forums.seagate.com/t5/GoFlex-GoFlex-Desk-GoFlex-Pro/How-can-I-un-install- Seagate-Diagnostics-for-Mac/m-p/55775

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10.6.1 Slow Startup and Shutdown

Did anyone notice the difference between the 10.6.1 startup and shutdown times and the 10.6 times ?
I had to do a clean install of 10.6 and ignore the 10.6.1 update to get back speed in startup and shutdown.
Is there anyway to solve this.
Thanks.

I had the same problems, and I figured out the cause. It seems that somehow the ownership of my root directory (/) wasn't assigned to the root account anymore, but to myself instead. This made the kernel prelinking fail since it requires that root is the owner. This is how you solve this after launching the Terminal app:
{quote:title=terminal commands}sudo chown root:admin /
sudo kextcache -system-prelinked-kernel
sudo kextcache -system-caches{quote}
You'll have to enter your password after the first command.
Hope this helps someone, since it was really frustrating to have these slower startup/shutdown times for me.

Slow startup and shutdown

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Then it's best to start over by restoring the hard disk to its original out-of-the-box contents using Toshiba recovery media. See the section Recovering the Internal Storage Drive, starting on p. 60 of the User's Guide.
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Using launchd to send an email on startup and shutdown

Hello All !
I'd like to get an email whenever my Mac starts up and shuts down, since I have to leave it unattended for quite some long periods of time (and even with the help of a UPS, power goes out anyway...). My Mac runs under Mac OS X Lion.
I found some help on the Internet, mainly from this page : http://www.syntaxtechnology.com/2009/06/email-on-shutdown-and-restart/ , which applies to Linux, and hoped it could work on Mac OS X (I thought at first I could just drop a script in something like /etc/init.d/ or /etc/rc.d/rc5.d but well... we have launchd instead...).
The first method listed in the page above worked well, but sends an email only on startup (for a reminder: you add a line that starts with @reboot in your crontab, and a command that sends directly an email).
I then tried to adapt the second method to Mac OS X, and succeeded partially: I wrote a small script based on what was shown on that page (a start and stop function, start gets called when the script is started, and stop gets called based on a trap on various kill signals, with an infinite wait loop: see below). I also wrote the plist file, loaded it in launchd and rebooted my Mac several times to test everything.
I get an email on each startup (yeah!), but the shutdown mail gets sent only at the next startup. So I guess that postfix gets killed by the shutdown process *before* being able to send my shutdown email :-(
So here are my main questions, if someone can help me:
1. is there a way to precisely call a script during the shutdown process, meaning giving it a priority so it gets called before postfix dies ? (like the rc directories and the naming conventions (KnnScriptName and SnnScriptName) found on some Linux/Unix).
2. is it possible to do that with launchd ? if not, what would be the Mac OS X sanctionned way of doing this ?
Other things:
3. my shell script writing ability is kind of rusty, so maybe I made some "very bad shell writingTM": l'm not sure putting an infinite while loop with a 15 second pause in it is the best way of telling a script to do nothing. There might other things in there that would make an Unix guru jump out of his chair: please tell me :-)
This is my plist:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC “-//Apple Computer//DTD PLIST 1.0//EN” “http://www.apple.com/DTDs/PropertyList-1.0.dtd”>
<plist version=“1.0”>
<dict>
<key>Disabled</key>
<false/>
<key>Label</key><string>org.amarante.startshutemail</string>
<key>ProgramArguments</key>
<array>
<string>/Library/Scripts/startshutemail-launchd.sh</string>
<string>start</string>
</array>
<key>RunAtLoad</key><true/>
</dict>
</plist>
And this is the script that does the job:
#!/bin/bash
# PHL 20120604 startshutemail-launchd.sh
# Send an email on startup and shutdown (version for launchd)
# Based on script and explanations found here:
# http://www.syntaxtechnology.com/2009/06/email-on-shutdown-and-restart/
# Modification history
# PHL 20120604 v01 First version
# Environment variables #################################################
DEST_EMAIL="[email protected]"
SRV_NAME=Amarante
EVENT_TIME=$(date +%Y/%m/%d-%H:%M:%S)
RESTART_SUBJECT="[$SRV_NAME] $EVENT_TIME : System Startup"
RESTART_BODY="This is an automated message to notify you that $SRV_NAME started successfully at $EVENT_TIME."
SHUTDOWN_SUBJECT="[$SRV_NAME] $EVENT_TIME : System Shutdown"
SHUTDOWN_BODY="This is an automated message to notify you that $SRV_NAME is shutting down now ($EVENT_TIME)."
# Functions ##########
stop()
echo "$SHUTDOWN_BODY" | mail -s "$SHUTDOWN_SUBJECT" $DEST_EMAIL
return 0
start()
echo "$RESTART_BODY" | mail -s "$RESTART_SUBJECT" $DEST_EMAIL
return 0
# Main part #########
case $1 in
stop)
stop
start)
start
esac
# trap kill signals to send an email
trap stop HUP INT QUIT ABRT KILL ALRM TERM TSTP
# sleep until killed
while :
do
sleep 15
done
Thanks for your help, and any comment :-)
Paul-Henri

Thanks a lot for your answer, Camelot, even if it sorts of confirm what I suspected. Pinging a machine from an external observer is a solution, but it will also report broken links problems and not only a computer shutting down, and it raises the next tier of problems, general network reliability after individual system reliability. It's something I'll have to look at for sure.
It's weird there isn't any way to access the way the shutdown process works.
One of the commenters (#14) on the page from Syntaxtechnology had a similar problem: he added a "sendmail -q" in his script to force sendmail to go to work and service the queue before shutting down, which I can try, but he also added a delay to the stop process of sendmail, which is something I'm not sure I can do on Mac OS X (and that might disappear one day with one of the OS updates).
Unless there is a way to change the launchd.plist file for postfix and add an ExitTimeOut option in it (I found this idea here : https://discussions.apple.com/message/17229690#17229690 )
Cheers,
Paul-Henri

I have a very slow startup for a macbook pro after installing Maverick

I have a very slow startup for a macbook pro after installing Maverick

Try SMC and NVRAM resets:
http://support.apple.com/en-us/HT201295
http://support.apple.com/en-us/HT204063
Then try a safe boot again:
http://support.apple.com/en-us/HT201262
Ciao.

Ipod classic 160GB very slow sync and cannot connect to itunes store windows 7 ansd itunes 10.6.0.40. I have now been trying for 3 weeks to restore my iPod. Really frustrated, any ideas would be welcome.

Ipod classic 160GB very slow sync and cannot connect to itunes store windows 7 ansd itunes 10.6.0.40. I have now been trying for 3 weeks to restore my iPod. Really frustrated, any ideas would be welcome.

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Very slow broadband and connection keeps dropping

Hello, we have been BT customers since August 2013, after previously being Freeola customers for many years. We live in a very rural area, at the end of the exchange so we are never going to get amazingly fast broadband, we are estimated 1MB.
Previously using Speedtest.net at the beginning of the year we were getting 0.9Mbps, then in May our internet dropped and we couldn't get a proper connection or speed. We contacted Freeola who after doing some tests, said that we had a copper line failure and to contact BT. We did this and the copper line failure issue was fixed, an openreach engineer tested the line and we assumed all was fine. But we were still getting very slow speeds and the connection kept dropping. So we decided to switch to BT in August, we have put up with the slow speeds and dropping connection for 3 months hoping in vain that once we got a stable line the speed would increase and we would be back to were we expected to be.
When we are using the internet, we very often get "Your connection has been reset" errors within our browsers.
This has not happened, so I have decided to come on to this forum in the hope that we can solve this issue before my hair gets any greyer. We have a BT Home Hub 4 so we have not got all the stats that previous HH had available.
Also as we are in a rural area our telephone connection is through overhead cables and as said previously we are at the end of the exchange.
Please see below for the information that I have been able to get:
Home hub stats:
17:28:52, 28 Oct. ( 68.040000) DSL noise margin: 12.00 dB upstream, 9.50 dB downstream
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Connection Information
Connection time:
4 days, 22:01:39
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221.4 MB / 2.3 GB
Bt Wholesale Broadband test:
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Upload speed: 0.34
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Further diagnostics:
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I performed the quiet line test which wasn't too bad there was a very slight crackle, but it was with a wireless phone.
Speedtest.net results:
Ping: 463ms
Download:0.13mbps
Upload: 0.28mbps
As said previously before the copper line failure we were regularly getting download speeds of 0.9mbps.
Any help would be greatly appreciated.
Solved!
Go to Solution.

Hi jacoma,
Sorry to hear that your having issues with your BT Retail services.
You will either be on the ADSLMax (upto 8mbps) service or if your exchange has been BTw 21cn upgraded you maybe on the ADSL2/2+ (upto 12/20mbps) service depending on your line quality and length.
However these upto speeds may not be the speeds you will get as ADSL broadband connections are very dependent on the distance from your property to the exchange and the quality of your line. The further away you are from your local exchange the slower your broadband speed will be.
To enable the community to help you please see the advice below:
Please see Keith's help guide here: Helping forum members to help you, it will go through some checks that are needed for us to help you.
1) Are you in the TEST socket? if not can you please connect to the test socket and repeat steps 2, 3 and 4.
All the below performed in TEST Socket:
2) is there any noise on your line. dial 17070 option2 ,called quite line test, from landline phone. should be silent but slight hum normal on cordless phone.
If there is any noise on your line such as crackling, distictive noise when the phone is connected to the TEST socket and doing the quiet line test then you need to report a line fault to BT Retail by dailling 151. Once the crackling or disticive noise has gone then your broadband should slowly recover.
3) please post adsl line statistics
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ADSL Line Statistic Help:
If you have a BT Home Hub like the one below...
Then:
1) Go to http://192.168.1.254 or http://bthomehub.home
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3) Click Advanced Settings
4) Click Broadband
5) Click Connection or sometimes called ADSL (see picture Below)
The direct Address is http://bthomehub.home/index.cgi?active_page=9116 (for bthomehub3.A firmware ending in 1.3)
or http://bthomehub.home/index.cgi?active_page=9118 (for bthomehub3.A firmware ending in 94.1.11)
You will need to copy and past all the adsl line statistics ( Including HEC, CRC and FEC errors). You may need to click " More Details"
If you have a HomeHub 4 then the majority of the ADSL Stats shown in the previous Hubs will not be there.
for HH4 users you can go to hub manager then select troubleshooting then logs and are look for 2 entries together which will show theconnection speed and noise margin for when your HH4 last sycned with the exchange.
There are more useful links on Keith's website here: If you have an ADSL connection, please select this link
cheers
I'm no expert, so please correct me if I'm wrong

Shell Script for Startup and Shutdown the database

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It almost sounds like a bad UPS.
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I get constant buffering very slow downloads and the pinwheel. is there a keystroke remedy for this??

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VERY slow startup and shutdown, CD stuck

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