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Old Oct 5, 2010, 01:53 PM   #1
kosty
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Join Date: Oct 2010
Slow boot caused by "Waiting for DSMOS"

Since the update from 10.6.3 to 10.6.4 my macbook pro 13" 2009 (now 2010 modell since today) hangs on the boot process for 8-10 seconds.
After checking with Verbose Mode and the kernel.log I found that the mac is "Waiting for DSMOS" and takes that long until "DSMOS has arrived".
Updating to 10.6.5 Beta didn't help.

After some research I found out that DSMOS (Don't Steal Mac OS X.kext located in System/Library/Extensions/ is responsible for AES Decryption and is preventing OS X to be installed on non-Apple Hardware.

I don't understand why checking this Kext takes so long on a genuine Macintosh.

I can see the same issue on my Macbook Pro 2009 and 2 Macbook Pro 2010.

I tried the following:

- Set Macintosh HD as my startup drive
- Check Harddrive with Diskutility
- Repaired Permissions
- PRAM + NVRAM Reset
- SMC Reset
- Safe Mode
- Verbose Mode
- deleted and restored Kernel + Boot Cache
- 32bit Kernel + 64bit Kernel Boot

Does someone have the same problem ?
My Macbook is booting so slow now even with my SSD.

You can double-check your system by booting into Verbose Mode (hold cmd+V after the startup Chime until you see text scrolling) or you can simply check kernel.log in console.app.

I have attached a screenshot of my kernel.log

I hope someone can help me with this issue.
Thanks
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Old Oct 10, 2010, 10:17 AM   #2
LPZ
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Join Date: Jul 2006
Here's what I see on my Core Duo iMac4,1 running OS X 10.6.4:

Code:
Oct 10 11:12:32 Magpie kernel[0]: Waiting for DSMOS...
Oct 10 11:12:34 Magpie kernel[0]: AppleYukon2: Marvell Yukon Gigabit Adapter 88E8053 Singleport Copper SA
Oct 10 11:12:34 Magpie kernel[0]: AppleYukon2: RxRingSize <= 1024, TxRingSize 256, RX_MAX_LE 1024, TX_MAX_LE 768, ST_MAX_LE 3328
Oct 10 11:12:44 Magpie kernel[0]: DSMOS has arrived
So my guess is the delay is "normal", or at least, is not local to just your computers.
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Old Oct 14, 2010, 06:17 PM   #3
dmin7th
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Join Date: Apr 2010
I noticed the extra-long delay at boot after upgrading as well. Mine is taking a whopping 27 seconds before "DSMOS has arrived".

Code:
 Oct 14 19:06:23 localhost kernel[0]: Waiting for DSMOS...
 Oct 14 19:06:24 localhost kernel[0]: systemShutdown false
 Oct 14 19:06:48 ingrid kernel[0]: Previous Shutdown Cause: 5
 Oct 14 19:06:49 ingrid kernel[0]: AGC: 2.8.63, HW version=1.7.3, flags:0, features:4
 Oct 14 19:06:49 ingrid kernel[0]: NVDANV50HAL loaded and registered.
 Oct 14 19:06:49 ingrid kernel[0]: wl0: Broadcom BCM432b 802.11 Wireless Controller
 Oct 14 19:06:49 ingrid kernel[0]: 5.10.91.27
 Oct 14 19:06:50 ingrid kernel[0]: DSMOS has arrived
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Old Oct 16, 2010, 07:57 PM   #4
Azathoth
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Join Date: Sep 2009
I sometimes have the same problem, for me it's caused by /. and /.. owner changing to me:mygroup (I have a custom GID to make nfs work at the office).
I think it changes after a system update. Repair permissions does not fix this. Solution:

terminal:
cd /
sudo chown root:admin /.
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Old Oct 17, 2010, 10:11 PM   #5
dmin7th
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Join Date: Apr 2010
Quote:
Originally Posted by Azathoth View Post
I sometimes have the same problem, for me it's caused by /. and /.. owner changing to me:mygroup (I have a custom GID to make nfs work at the office).
I think it changes after a system update. Repair permissions does not fix this. Solution:

terminal:
cd /
sudo chown root:admin /.
Wow -- that knocked my 27 seconds down to 5. Thanks for the tip!
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Old Oct 18, 2010, 03:50 AM   #6
LPZ
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Join Date: Jul 2006
Quote:
Originally Posted by dmin7th View Post
Wow -- that knocked my 27 seconds down to 5. Thanks for the tip!
What did you have for owner and group on /. before you issued the Terminal command?

Isn't root:admin the default?
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Old Oct 18, 2010, 10:12 AM   #7
Azathoth
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Join Date: Sep 2009
Quote:
Originally Posted by dmin7th View Post
Wow -- that knocked my 27 seconds down to 5. Thanks for the tip!
NP - took me a while to find that fix

I have no idea why it happens though, I guess I should file a report with Apple - BTW what are your user settings ('id' command from terminal)?
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Old Nov 21, 2010, 10:54 AM   #8
glavoie84
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Join Date: Jun 2009
Quote:
Originally Posted by dmin7th View Post
Wow -- that knocked my 27 seconds down to 5. Thanks for the tip!
I also had trouble with this. My boot time went from 16 secs to 30 secs (X25-M) after the 10.6.5 update. After changing the owner of / back to "root", the problem was solved.
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Old Oct 14, 2012, 06:11 AM   #9
H2SO4
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Join Date: Nov 2008
Quote:
Originally Posted by Azathoth View Post
I sometimes have the same problem, for me it's caused by /. and /.. owner changing to me:mygroup (I have a custom GID to make nfs work at the office).
I think it changes after a system update. Repair permissions does not fix this. Solution:

terminal:
cd /
sudo chown root:admin /.
What about /.. though?
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